Cómo usar Leapfrog Geo y Edge para sistematizar las revisiones internas de estimación de recursos en el proyecto Cascabel de SolGold

Han creado Leapfrog Edge para que se conecte directa y dinámicamente con el proyecto Leapfrog Geo, lo que le permite actualizarse rápidamente con información nueva y producir estimaciones de recursos en vivo. El uso de Seequent Central para la gestión de modelos apoya una fuente de verdad única, confiable y compartida, que la oficina central en Brisbane y el equipo en el terreno en Ecuador pueden usar para colaborar en tiempo real.

Overview

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thank you everybody for joining us on

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Lyceum 21 today,

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my name is Ben whistler, I’m tech

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services Manager with sold gold

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PLC

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and everybody my name’s steve law and I’m

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senior technical lead for geology

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with sequins

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and then is going to start the presentation.

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So today we will describe

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how utilization of

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sequence um Central

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server and leapfrog

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geo and leapfrog edge software

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has enabled sold gold

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to implement a systematic process

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for updating

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um real time geological

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models and the

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associated mineral resource

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estimates.

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Um and

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um

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so as you can see uh

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the title of the presentation

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suggests that it’s the integration of

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sequence leapfrog geo and leapfrog edge

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to systematize internal resource

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estimations

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um at the Kampala for free

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copper gold deposit in cascabel,

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which is in Northern Ecuador and it’s also

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being applied to other projects held by the

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company in Ecuador, some of which are nearing

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resource estimation stage

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as we speak

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next slide,

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uh sole goal is fueling this sustainable

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future with copper. The world needs copper

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and the casket. Bell copper gold

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project in Northern Ecuador

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is the flagship of sole Goal PLC,

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which is a leading exploration company

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focused on the discovery definition

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and development

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of world class copper gold deposits.

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In 2018

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sold gold was recognized by mines

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and money for him as an example of

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excellence in the industry

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and continues to strive to deliver objectives

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sufficiently and in the interests of shareholders.

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Sole goal is the largest and most

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active uh concession

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holder in Ecuador

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and we aggressively explore

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the length and breadth of

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the entire country, which is highly

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perspective,

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a portion of the Andean

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copperbelt

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Sell Gold holds an 85%

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registered and beneficial interest in answer

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The Cascabel licenses 100%

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owned by answer and sole goal is

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listed on the Toronto Stock Exchange and

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also the London Stock Exchange.

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Uh The situation, so here

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we are in Northern Ecuador um

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The project is hosted within ECE

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and rocks of the Andean copperbelt

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and that particular medalla

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genic sequence is responsible for

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large percentages of the world’s copper

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and gold. The Apollo deposit is

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sold gold flagship asset and

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it’s actually one of the largest independent

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copper and gold development assets

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globally and regarded widely

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as a tier one

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exploration success

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and probably one of the top three

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copper and gold projects on

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the planet. In the last decade

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we’re very proud of.

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The current shareholder register reflects

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significant interest in cascabel

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amongst major mining houses including

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BHP and Newcrest major shareholders.

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The al Paula deposit is located

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within the western cordillera of

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Ecuador, which again

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is in the heavily endowed and in copperbelt.

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Um And in fact

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the indian culpability is renowned as the

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base for nearly half the world’s copper production.

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The project area at

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castel hosts mineralization

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of sn age within sn

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aged intrusions. Um

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And this is also the same age as numerous

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Tier one deposits throughout

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the indian papa belt particularly

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uh of note, some of the giant

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Chilean deposits

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to the south. Uh The

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Apollo deposit lies central

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to a cluster

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of essen aged poor freeze,

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which is fairly typical

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um of large deposits

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And um a number

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of prospects also exist within

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that cluster, including the Taniyama America

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and Aguinaga, poor free copper

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and gold deposits. And we

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as a company have completed over

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260,000 m

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of diamond drilling at the basketball

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project thus far

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using directional diamond drilling techniques.

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And that much drilling has brought us very

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close to um completion

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of pre feasibility studies,

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you know, uh

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now in terms of modeling

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workflows and hosting

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all the data within one

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major project, which is what we’re doing at

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the moment.

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Um the site team is continually

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engaged in advancing the understanding

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of poor free systems at cascabel

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and a combination of sequence solutions

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using leapfrog geo and leapfrog

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edge with sequin central

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of course

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um are in use now

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using secret sequence central

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for model management means

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that projects are shared amongst the team,

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our team of geoscientists and

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this single source of truth

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um allows

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beneficial discourse between,

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say a management group that might be in

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London or Brisbane and

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the site team in Ecuador

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um

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a key component has been leapfrog

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Edge and

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internal resource estimations

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which the company performs

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um

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and leapfrog Edge has an

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extension is actually an extension

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to Electoral geo and so Edge

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links directly and dynamically with

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electoral geo project which is where all

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the models are

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and it means it can rapidly update

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with new information as drilling continues,

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enabling the team to produce

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what really could be called real time

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resource estimations.

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Um geologists are able to simply

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publish an updated leapfrog

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geo project

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utilizing the latest trillion data

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to central and then open the

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link estimation leapfrog

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edge project

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and basically just right click

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on any of the measures that have been updated.

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For example domain shells and

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upload the latest

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geology model from that branch into the

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estimation project.

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So what that does for us is a dynamically

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runs a resource estimate for us.

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The remaining quality control required

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thereafter is to review the vari

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ah graffiti and and estimation search

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parameters of course and

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finalized model validation and

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and there we go we have a quality outcome for

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internal reviews. Obviously

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if you’re a mid tier

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and growing company like sole goal

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that that’s made a significant discovery

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and you’re in the spotlight. Um

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then

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the quality and results of a

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mineral resource estimate,

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especially early ones

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um is absolutely critical. So

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being able to have an early idea

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um of what a mineral resource

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estimate result might be a huge, hugely

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beneficial for sole goal

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as a company.

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Um This is just a quick example

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of what leapfrog can do. These are geological

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models

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of an open pit and underneath

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a block cave at the el Pollo

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deposit and on the right you can see

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the alteration models. So

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it’s just a nice visual to give you an idea

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of how powerful leap from G. I can

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be and

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and there’s the integration with leapfrog edge

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and so thank you for your

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attention, I’ll hand over now

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for the technical aspects

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of the leapfrog edge and mineral

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resource estimation with

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steve Law, senior technical lead

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geology at sequence.

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Thanks Ben.

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We first set up the edge model in september

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2018 and

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both the edge and leapfrog

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geo models are held within sequence. Central

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sequence Central has the capability of

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doing quite a few different workflows

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but we set up a fairly simple workflow

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based on skill differentiation

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in this case it meant we build a separate

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geology branch and a separate

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resource block model branch

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in each one the geologist works on the

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geology models and

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the previous versions are

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stored and recorded for all time

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and the latest iteration is always

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at the top of the branch

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correspondingly in the estimation

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branch we build

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the block models and these are dynamically

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linked across to the volumes

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within the geology model. So as

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the geology model gets updated,

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we load the latest

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uh domains across from there

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into the estimation project.

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And then the block model

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will update

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the dynamic linking functionality of leapfrog

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Geo to leapfrog edge provides

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a significant benefit in terms of the time

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taken

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to update a resource estimate

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combining with sequence. Central allows even

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further productivity and collaboration

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opportunities.

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The setup can be used from the preliminary

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economic assessment right through

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and two including production.

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Next slide, Please

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talk a little bit about the actual

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methodology behind

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these processes. So the geology

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model so cold usually from geo

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to undertake three D. Geological modeling

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at the Alcala deposit.

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This work was based on hand drawn

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cross sectional and level plan interpretations

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of mythologies, intrusive

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phases and courts for an abundance,

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mythological modeling of intrusive phases

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and host rocks as well as strata,

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graphic modeling of volcanic host rocks,

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the vein abundance modeling of B type quartz

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veins

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and then there are mineralization models of copper

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and gold at high medium

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and low guide

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grade, sorry, guidance envelopes

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at different cutoffs of 1.50

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point 70.15

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copper equivalents percentages.

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A lot of work into the geological

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understanding. And it was a

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consultant named steve Garwin, who is well known

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in poor free deposits, used

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the anaconda method to

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work on the geometrical understanding

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of the deposit and its internal timing

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relationships between rock phases veins

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and copper gold grades.

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And this was collated into hand

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drawn cross sections around 70

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m spacings

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on an orientated northeast and

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centered upon a northwest trending baseline

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Hand drawn level plans where it approximately

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200 m levels throughout the deposit.

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This work was then taken through

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into the three D. modeling

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of Leapfrog Geo and

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the resultant volumes

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were compared against the original cross sections,

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et cetera and they match quite

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nicely

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um leapfrog geo allows you to

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use the data inherently, but also

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you can modify with

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your own poly lines afterwards

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to make the shapes as accurate

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as you need to represent your deposit.

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In the mythology model, the major rock types

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of the cascabel tenement consists

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of a tertiary sequence of anti Semitic

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Lovas and volcano sedimentary

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rocks.

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A series of horn blend bearing, die rights,

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courts, die rights and total lights

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intruded the volcano sedimentary sequence

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as plate on stocks and diets.

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Oh, drilling has defined

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a northwest trending steeply northeast

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dipping corridor known as the greater

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el Pollo trend.

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This trend is centered upon a sin mineralization,

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causal courts, thyroid intrusion,

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It’s referred to as QE 10 and

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it’s cut by a series of intra mineralization

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late and post mineralization stocks,

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dikes and bridges

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of die right horn blend. I write

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court star, right tone light and

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granted I right

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intrusions have been placed episodically

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such that each subsequent intrusion has

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introduced mineral izing fluids.

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And these are typically defined by

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poor freeze type courts and courts. Self ID

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veins.

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They have re mobilised

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existing mineralization or introduced

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new criminalization and contributed

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to localized over printing and destruction

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of some pre existing mineralization.

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The intrusions are typically in

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place with the stock like geometry

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that is elongate in the northwest

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direction, but they can also have

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vertical and lateral, extensive northwest

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trending steeply dipping dyke

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extensions beyond their stock

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margins. Next slide

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please.

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The geometry of the various pathologies

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at Apollo is now well understood

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and has been modeled from the job drilling

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and it shows extensive self vertical

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continuity and highly complex

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intrusive relationships.

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The application of the anaconda method to

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geological mapping and drill core logging

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identified a total of 31

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likely intrusion phases,

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And these were grouped into 18 major

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rock groups which have been delineated

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based on their mineral

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realization phase and resource group.

[00:14:21.840]
All the major rock groups have been incorporated

[00:14:24.529]
into the three D. Geological model

[00:14:26.590]
of the al parla deposit.

[00:14:30.240]
A total of 20 major phases immunization

[00:14:32.720]
have been delineated based on relative

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timing relationships and poor free

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vein stages.

[00:14:38.840]
These have been simplified into 11

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major rock groups which have been

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put into the three D. Model

[00:14:48.039]
and they formed the major low grade,

[00:14:50.120]
medium grade and high grade stages of mineralization

[00:14:52.909]
at all Paula.

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The majority of the copper and gold mineralization

[00:14:57.080]
was added to the system by the

[00:14:59.159]
courts derive or qd 10 intrusion

[00:15:01.669]
with supplementary editions through time

[00:15:04.269]
with the injection of the intra

[00:15:06.360]
mineralization, intrusive phases,

[00:15:09.539]
and there was only minor metal edition from

[00:15:11.690]
late mineralization and post mineralization

[00:15:14.490]
intrusions in the system.

[00:15:17.139]
Another important component of the

[00:15:19.159]
model is the vein abundance model.

[00:15:21.740]
The relationship between B type quartz

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veins, abundance, and copper gold

[00:15:26.409]
and copper equivalent grades throughout the deposit

[00:15:28.940]
show a linear relationship between

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grade and vain abundance,

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And has been defined with selected examples

[00:15:36.159]
of .15%. Copper equivalence

[00:15:38.759]
.7 and 1.5%

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equating 2.55%

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the veins 4.1%

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and for 9.4%

[00:15:48.519]
the veins respectively.

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The most important indicators of

[00:15:53.120]
high grade mineralization include the presence

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of an early stage courts, thyroid intrusion

[00:15:58.230]
containing all the early stage. For freestyle

[00:16:00.470]
vein types with elevated vein

[00:16:02.639]
abundance and an increased ratio

[00:16:05.110]
of chalco pyrite too paranoid.

[00:16:07.840]
These relationships are clearly evident when representing

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B type, courts main abundance and

[00:16:12.639]
copper equivalent grades against each rock

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type or group in a box and whisker

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plot. Next

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slide please.

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So we’ve got a three D. Geological

[00:16:25.240]
mythology model and then we also

[00:16:27.340]
develop a mineralization model.

[00:16:29.840]
And this is used using the numeric modeling

[00:16:32.000]
capability of leapfrog. Geo

[00:16:34.740]
Mineralization at Alcala took place

[00:16:36.750]
immediately over approximately

[00:16:39.070]
800,000 years. From dating studies

[00:16:41.629]
conducted by Garwin album

[00:16:44.019]
2017.

[00:16:45.940]
Each of the 11 rock groups recognized

[00:16:48.490]
sequentially added its own stage of

[00:16:50.519]
port-related veiny and mineralization

[00:16:52.769]
to the intrusive complex and

[00:16:54.990]
these have been modeled sequentially with

[00:16:57.269]
later phases. Excising preexisting

[00:16:59.639]
phases.

[00:17:01.840]
Numeric models are run at three

[00:17:04.259]
different cutoffs. Copper equivalent

[00:17:06.400]
cutoffs for low medium and

[00:17:08.450]
high grade.

[00:17:10.940]
The key point in understanding the Al Pollo deposit

[00:17:13.200]
relates to the manner in which the geometric framework

[00:17:15.720]
of various pathologies and intrusive

[00:17:17.849]
bodies. Subsequently controlled the successive

[00:17:20.720]
geometries and donation of the poor french

[00:17:23.259]
style courts vein abundance.

[00:17:25.539]
And this correlates very

[00:17:27.589]
well with the distribution of copper

[00:17:29.619]
and gold.

[00:17:30.839]
Yeah. Next stage

[00:17:32.970]
please. Oops.

[00:17:36.140]
Yeah. So we have a underlying

[00:17:38.609]
mythology model and an underlying

[00:17:40.609]
method mineralization model,

[00:17:43.240]
leapfrog has a combined model

[00:17:45.349]
functionality where these two are joined together

[00:17:47.869]
and you end up with

[00:17:50.440]
multiple domains based

[00:17:52.769]
on grade and mythology.

[00:17:56.640]
These are the domains that are brought across from

[00:17:58.680]
the geology model via direct link

[00:18:00.750]
into the estimation project

[00:18:02.779]
using leapfrog central.

[00:18:05.339]
Yeah, estimation domains

[00:18:07.769]
have subsequently been identified

[00:18:10.339]
or simplified by combining the

[00:18:12.400]
model features in a manner which demonstrates

[00:18:14.789]
the relationship between grade and the

[00:18:16.849]
geological history of the deposit.

[00:18:19.240]
So they are based on geologic knowledge but

[00:18:21.309]
also using statistical

[00:18:23.490]
analysis. Using the concept of stationary

[00:18:26.089]
T leapfrogged

[00:18:29.089]
utilizes ordinary creaking

[00:18:31.160]
to estimate the domains.

[00:18:33.240]
The way the grouping has been set up is

[00:18:35.500]
that changes can be made easily in the

[00:18:37.549]
future. So if they’re different combinations

[00:18:39.960]
of required of the mineralization

[00:18:42.480]
and mythology volumes as

[00:18:44.829]
new information comes through, then

[00:18:46.859]
we can modify the process

[00:18:49.059]
within leapfrog edge

[00:18:51.640]
each of the domains. KZ two KZ KZ

[00:18:54.240]
002 KZ 10 are

[00:18:56.369]
independently run for copper,

[00:18:58.420]
gold, silver and molybdenum.

[00:19:00.680]
And that’s using ordinary creaking and

[00:19:03.299]
lead, zinc uranium using inverse

[00:19:05.390]
distance square.

[00:19:06.940]
And the final men resource estimate

[00:19:08.960]
is reported at multiple cut offs

[00:19:11.259]
on the copper equivalents

[00:19:14.940]
validation is a very important step

[00:19:16.970]
obviously. So we have the

[00:19:19.029]
capability of doing swath

[00:19:21.099]
plots and these are embedded within the bloc model

[00:19:23.549]
so that as the

[00:19:26.440]
uh new data is added. And

[00:19:28.579]
the underlying mythology and mineralization

[00:19:31.170]
models change. Then the swath plots

[00:19:33.400]
update as well. So you can readily

[00:19:35.529]
validate your data as well as being

[00:19:37.650]
able to visualize all the information

[00:19:39.670]
on the screen

[00:19:42.440]
and central stores the project timeline.

[00:19:44.589]
So a previous version of the block model

[00:19:46.710]
can be reviewed at any time

[00:19:49.740]
and then it’s going to just finish

[00:19:51.750]
off the presentation for us.

[00:19:53.940]
Thank you Stephen. Yes, it certainly

[00:19:56.140]
streamlines what is a

[00:19:58.740]
or could be viewed as a fairly complex

[00:20:01.440]
process.

[00:20:03.140]
So overall we have the integration of

[00:20:05.380]
leapfrog edge estimation

[00:20:07.410]
software with leapfrog Geo

[00:20:09.650]
software and this has

[00:20:12.380]
been proven to allow

[00:20:14.839]
sold gold to

[00:20:17.130]
produce internal resource estimation

[00:20:19.740]
checks to be run dynamically

[00:20:22.059]
as new information is received

[00:20:24.160]
from the field

[00:20:25.539]
and in a nutshell leapfrog

[00:20:27.569]
it gives us the power to run our

[00:20:29.619]
own internal resource estimates

[00:20:32.240]
um which empowers

[00:20:34.450]
us to internally

[00:20:36.619]
audit the work performed

[00:20:38.809]
by independent consultants

[00:20:40.950]
and ensure they are being realistic.

[00:20:43.500]
It also gives us the advantage of

[00:20:45.509]
having a good idea of potential

[00:20:47.869]
outcomes of any given

[00:20:50.019]
resource estimate ahead of time,

[00:20:52.740]
which of course helps the company

[00:20:55.380]
gauge appropriate expectations.

[00:20:58.539]
So thank you all for listening

[00:21:00.779]
and thank you by CM 21.

[00:21:05.940]
Yeah.