The Role of Multidisciplinary Interpretation for Porphyry Copper Targeting in...

McLean Trott

In recent years, decreasing data acquisition costs as well as increasing availability of public domain data for the earth sciences have converged to create data-rich mineral exploration environments in many…

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Placer Garnet Deposits of the South Islands West Coast, New Zealand Tom Ritchie

Tom Ritchie

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Textures and grain size of scheelite as a potential byproduct, Macraes Au min...

Dr Doug MacKenzie

The Macraes gold mine in East Otago, operated by OceanaGold, is New Zealand’s largest gold mine and has produced over 4.29 Moz of gold from its open pit and underground…

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Phosphate: Chatham Rise, New Zealand

C D Castle

Phosphate nodules averaging about 21% P2O5 are present on the seabed of the Chatham Rise. The nodules are within a silt/sand layer, generally less than 50cm thick, overlying an ooze/chalk…

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Automated identification of sulphides from drill core imagery

Dr Matthew Cracknell

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Characterization and Paleotectonic Setting of Mesoproterozoic Iron Oxide Depo...

Warren Day

The Mesoproterozoic St. Francois Mountains (SFM) of southeast Missouri, USA contain examples of both iron oxide-apatite (IOA) and iron oxide-copper-gold±cobalt (IOCG) deposits and yield clues as to processes controlling metal…

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Alteration in epithermal Au-Ag and geothermal systems in New Zealand: insight...

Mark Simpson

Epithermal Au-Ag veins of the Hauraki Goldfield (12.3 Moz Au, 54.9 Moz Ag) and geothermal systems of the Taupo Volcanic Zone (TVZ) in the North Island, New Zealand, are hosted…

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Predicting processing domain response using hyperspectral mineralogy: Applica...

Nathan Fox

The tendency for ore phases to preferentially fractionate into finer size fractions during early comminution stages is referred to as natural deportment and allows potential to separate coarse, low grade…

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Geometallurgy of the Mount Carlton Au-Ag-Cu Deposit: Using geochemical and sp...

Ned Howard

The Mount Carlton high sulphidation epithermal Au-Ag-(Cu) deposit is located in the northern Bowen Basin, Northeast Queensland, Australia. The deposit is hosted in coherent and proximal clastic facies of a…

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Tujuh Bukit Deposit, Banyuwangi Province, East Java, INDONESIA

Julian Bartlett

The Pliocene Tujuh Bukit deposit is located in East Java, Indonesia. It comprises near-surface high sulfhidation Au-Ag mineralisation that is telescoped down deep-seated faults onto a large underlying porphyry Cu-Au-Mo…

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Cokriging to assist metallurgical modelling at the Nena copper-gold deposit, ...

Mr James Carpenter

This paper provides an update of the Mineral Resource for the Nena copper-gold deposit, located in the Frieda River Igneous Complex in the northern foothills of the Central Range in…

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Geology and mineralization in the Suyoc epithermal deposit, Mankayan District...

Dr Jillian Aira Gabo-Ratio

The Mankayan Mineral District is known for the world-class Lepanto epithermal gold and Far Southeast porphyry copper deposits. However, the district also hosts other deposits that have yet to be…

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Porphyry Exploration at First Quantum Minerals – Active Application of New Te...

Dr Stephanie Sykora

First Quantum Minerals Ltd. (FQM) is a company that historically owns and explores for sedimentary-hosted copper deposits. However, since 2012 FQM has built a team dedicated to exploration for porphyry…

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The Antakori Cu-Au-Ag Project, Northern Peru: A Monster in the Making!

Dr. Kevin B. Heather

The AntaKori Project, Cajamarca Province, Peru, has a NI 43-101 inferred sulphide mineral resource of 295 Mt @ 0.36 g/t Au, 0.48% Cu and 10 g/t Ag (Wilson, 2012). This…

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Path-finder element and gold microstructures from the Alturas high-sulphidati...

M A Pearce

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Russia – Open for Business

Mr Gregory Collins

The mining investment community, in all its shapes and sizes, is constantly monitoring the globe for potential opportunities. As countries change governments, allegiances and inevitably legislation, the investment community’s perception…

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Gold Mineralization and Alkaline Intrusive Rocks at the Hogatza Mine Camp, No...

David Adams

The Hogatza Mine Camp, or “Hog River Mine”, on the east flank of the Zane Hills, northwestern Alaska, has produced over 400,000 ounces of placer gold, yet little is known…

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The Mineral Systems of the Zealandia Continent: 500 Million Years and Counting

Mr Robert Smillie

The new knowledge that New Zealand is not just a group of small SW Pacific islands, but part of the world’s 8th continent, provides fresh and exciting insights into mineral…

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Application of Micro-Analytical Techniques to Au-bearing Samples from El Peñò...

Dr Andrew Menzies

Knowledge of the distribution of minerals and elements within a deposit is key to determining the most efficient mineral processing procedure, especially in epithermal deposits where numerous factors can impact…

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Porphyry deposits: genetic models using hyperspectral imagery data of drillco...

Ms Ekaterina Savinova

Mineral relationships, along with alteration mineral identification and their composition, can be successfully captured by hyperspectral drill core imaging and show wide range of spectral variation, relating to fundamental mineralization…

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Road to Discovery at WKP, New Zealand

Rick Streiff

Wharekirauponga (WKP) lies within the Hauraki Goldfield, a classic epithermal mining district where approximately 50 epithermal veins have produced over 12 million ounces of gold and 62 million ounces of…

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Digital Ore Processing Simulation based on Image Characterization Techniques

Mr. Javier Merrill

The current standard for metallurgical testing, whether it is for plant equipment sizing or operational control, is based on conventional practices that do not always lead to optimal setups. Typically…

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Exploring for porphyry deposits in different tectonic settings using mineral ...

PhD Debora Araujo

This discussion will look at hydrothermal epidote trace element data from porphyry prospects and deposits in the circum-Pacific Rim region and other relevant belts to evaluate if different tectonic settings…

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Hydrological setting and geological controls on hydrothermal fluid flow in Ca...

Dr Kenneth Hickey

Carlin-type hydrothermal Au-deposits are typified by large tonnages and high-grades. They are a major source of the world’s gold (~5% of annual global production). In North America, the majority of…

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Exploration for sedimentary-hosted carbonate base metal mineralisation at Man...

Dr James Lally

The Manuka Ag-Pb-Zn deposit (formerly Wonawinta) located in central NSW is hosted by weakly deformed platform carbonates deposited on the margin of an intracratonic half-graben between the Cobar and Darling…

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Exploration, discovery and resources, Kainantu gold project, PNG

Andrew Vigar

The Kainantu Au deposit is located in the Eastern Highlands Province of Papua New Guinea. Alluvial Au was discovered in the area in 1928, with modern exploration and mining commencing…

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Exploration and Resource growth at the Buriticá Gold Project, Colombia

Ian Taylor

The Buriticá Gold Project, owned by Continental Gold Inc. (TSX:CNL.TO; OTCQX:CGOOF), is located in the middle Cauca belt of Colombia, South America. Mineralization is a porphyry-related, carbonate base metal (CBM)…

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Regional-scale multi-element in soil baseline surveys over prospective minera...

Dr Adam Martin

In the past five years, approximately 55,000 km2 or 36% of New Zealand’s South Island has been included in a multi-element soil geochemical baseline survey: a non-contiguous area approximately the…

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Epithermal zeolite mineralisation, central Taupo Volcanic Zone, New Zealand

Dr Robert Brathwaite

In the central Taupo Volcanic Zone (TVZ), extensive zeolite (mordenite ± clinoptilolite) mineralisation occurs in late Quaternary rhyolitic vitric tuffs that were deposited in a lake formed by caldera collapse…

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Controls on gold precipitation in Carlin-type gold deposits

Dr Shaun Barker

Controls on gold mineralization in Carlin-type gold deposits remain enigmatic, with a variety of factors appearing to contribute including host rock permeability, fluid flow pathways, amount of iron in host…

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