gold skarn and porphyry gold

Geology and genesis of the giant Beiya porphyryskarn gold

Deng, J and Wang, Q and Li, G and Hou, Z and Jiang, C and Danyushevsky, L, Geology and genesis of the giant Beiya porphyry-skarn gold deposit, northwestern Yangtze Block, China, Ore Geology Reviews, 70 pp. 457-485.

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Phanerozoic continental growth and gold metallogeny of Asia

The onset of strike slip along a part of the southeastern Pacific margin appears to correlate with the giant 148135 Ma gold-rich porphyryskarn province of the lower and middle Yangtze River. It is still controversial as to whether true Carlin-like gold deposits exist in Asia.

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MINERALOGY AND ORIGIN OF COPPER- GOLD BEARING

MINERALOGY AND ORIGIN OF COPPER-GOLD BEARING SKARN WITHIN THE BATU HIJAU PORPHYRY DEPOSIT, SUMBAWA ISLAND, INDONESIA May Thwe Aye1,2, Subagyo Pramumijoyo2, Arifudin Idrus2, Lucas Donny Setijadji2, Akira Imai3, Johan Arif 4, and Symsul Kepli4. 1 2

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Gold & Silver Research Archives Santa Fe Gold Corporation

Jan 25, 2020 · It is the oldest porphyry copper deposit in the state; although the Piños Altos pluton is ca. 74.4 Ma (McDowell, 1971) and a Georgetown monzonite dike has been dated as ca. 71 Ma (McLemore, 1998), both of which have associated Cu-Au-Ag skarn or Ag carbonate-hosted replacement deposits.

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New Energy Metals Corp. Announces Results of VIP/MT

Aug 19, 2019 · New Energy holds an option over the lands of Exploradora North with the expressed purpose of discovering and delineating potentially near surface and deep porphyry copper-gold and skarn

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() Skarns in the Porphyry Copper-Gold Environment

Skarns in the Porphyry Copper-Gold Environment

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The Discovery of the Wabu Ridge Gold Skarn, Irian Jaya

The Wabu Ridge Gold Skarn deposit is located at elevations of up to 3100 metres above sea level, in the Central Highlands of Irian Jaya, Indonesia, 35 km NNW of the Grasberg porphyry deposit. Wabu is a grass-roots discovery in an area with no previous gold mining history or record of gold

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Cordoba Minerals and High Power Exploration Form

porphyry copper-gold mineralization, copper-gold replacement or skarn-style and vein-hosted, gold-copper mineralization and is ideally located in flat topography, near significant infrastructure and large scale producing open pit mines. Recent drilling at the project yielded numerous high-grade copper gold intersections including 101 metres of

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Chesapeake Gold Intercepts Skarn and Porphyry

Jun 21, 2018 · Loretos Prospect . The main drill target at Loretos is a blind skarn-porphyry system indicated by the significant high chargeability anomaly. The first hole, Y

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Compareable Porphyry Examples Santa Fe Gold Corporation

Jan 25, 2020 · It is the oldest porphyry copper deposit in the state; although the Piños Altos pluton is ca. 74.4 Ma (McDowell, 1971) and a Georgetown monzonite dike has been dated as ca. 71 Ma (McLemore, 1998), both of which have associated Cu-Au-Ag skarn or Ag carbonate-hosted replacement deposits.

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Quaterra Announces Option Agreements to Acquire Butte

Dec 10, 2019 · December 10, 2019 VANCOUVER, B.C. — Quaterra Resources Inc. today announced that its wholly-owned subsidiary, Six Mile Mining Company, has signed two option agreements providing it with the right to purchase a interest in 678 unpatented mining claims associated with the Butte Valley prospect, a large, partially explored porphyry copper-gold system located in eastern []

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2018 News Auryn Resources Inc.

It is extremely well-situated with excellent access to infrastructure and all the results to date give us the confidence that major gold-copper skarn and/or porphyry bodies could be present." "The Sombrero concessions are approximately 200km northeast of some of the world's largest skarn and porphyry

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Auryn Samples up to 31.6 g/t Gold and 5.25% Copper in the

Oct 15, 2018 · This belt is interpreted to be on the north-western margins of this Eocene-Oligocene aged copper-gold porphyry and skarn belt that hosts the Las Bambas, Haquira, Los Chancas, Cotambambas

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BAGUIO MINERAL DISTRICT THE BAGUIO MINERAL

Baguio Mineral District Telescoped porphyry copper system diverse genetically related deposit styles IS Epithermal gold AA Lithocap Porphyry copper Skarn gold/base metal Sillitoe 2010 Epithermal IS Porphyry copper Skarn Geologic Resource /Potential = +40 Moz Au and +5 Mt Cu GOLD

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gold deposit exploration & challenges

Jan 11, 2016 · GOLD BY DEPOSIT TYPE 167.66 Moz (5,214.38 tonnes) gold HS Epithermal 9.41 moz VMS 0.97 moz Mesothermal 2.87 moz Sediment Hosted 3.08 moz Alluvial 1.18 moz Skarn 47.78 moz HS Epithermal 9.41 moz LS Epithermal 31.07 moz GOLD BY DEPOSIT TYPE 167.66 Moz (5,214.38 tonnes) gold Porphyry 71.3 moz Alluvial 1.18 moz Deposit Type Porphyry Skarn

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Relationships between a Porphyry Cu-Mo Deposit, Base

or lead-zinc skarn deposits. The peripheral ores have contributed significantly to the production of most of these porphyry-cored districts. Lead, zinc, copper, silver, and gold are typically the major commodities. At Butte, manganese and arsenic have also been produced (Meyer et al., 1968). Although this spatial association of porphyry and

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PORPHYRY & SKARN COPPER-MOLYBDENUM-GOLD

John is a geologist with over 25 years experience specializing in porphyry copper-gold, epithermal and skarn deposits throughout Latin America. Previously John held the position of Chief Geologist for Corriente Resources, and was responsible over a 10-year period for all aspects

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Gold Skarn Deposits Rock (Geology) Rocks

Porphyry copper type Large-scale and low-gold grade. Lead-zinc type very little gold contain Fig.2 Distribution of Au, Ag, and Cu in skarn, pluton, and protolith of a large copper skarn system, Whitehorse copper belt, Canada (from Meinert, 1986) Skarn gold deposits 1. Related to copper-mineralized porphyritic intrusions 2.

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American Pacific Mining Signs Letter of Intent to Purchase

Jan 27, 2020 · The Madison Copper Gold Project is located in the heart of Montana's prolific copper-gold belt only 38km southeast of the world-renowned Butte Mining District. The project, a high-grade Cadia-like skarn over porphyry system, encompasses 2,514 acres consisting of six patented lode claims and 108 unpatented mineral claims.

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Broadway Identifies Copper-Gold Porphyry Targets, Plans

Sep 07, 2017 · The geological model includes four primary copper-gold porphyry exploration targets including a variety of geophysical anomalies in four target areas as shown on Figure 1. the shallow skarn

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PorterGeo Database Ore Deposit Description

The Las Bambas group of porphyry/skarn copper-molybdenum-gold deposits, Ferrobamba, Chalcobamba and Sulfobamba, are located some 72 km SW of Cusco and around 530 km SE of Lima in southern Peru. It is approximately 90 km north-west of the Tintaya porphyry/skarn deposits (#Location 14° 3' 36"S, 72° 20' 44"W).

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Crystal Lake Discovers Porphyry Center Extending the

Oct 09, 2019 · This represents a new copper-gold (Cu-Au) rich porphyry on the Newmont Lake Project located at the western margin of the Eskay Rift in the Heart of the Golden Triangle, British Columbia. System may be evidence for high-grade porphyry-related skarn-type mineralization observed on surface along the entire Burgundy trend.

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HELICOPTER AFMAG (ZTEM™) AND AEROMAGNETIC

the Guerrero Gold Belt, near the town of Cuetzala del Progreso, in Guerrero State, north of Acapulco City, Mexico (Figure 1). The Guerrero Gold Belt (GGB) is a newly established gold mining district that extends for at least 55 km from southeast to northwest and has an inventory >30 million ounces of gold that originated in a skarn porphyry

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The geology, genesis and exploration context of the

1.2. Aerial photograph showing the location if porphyry and skarn deposits of the Cadia district. 2 1.3. Total gold content versus average gold grade of selected gold-rich alkalic and calc-alkalic porphyry deposits. 3 Chapter 2 Regional Geology 2.1. Principal components of the Tasman fold belt. 9 2.2.

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Gold, Mining and Prospecting Gold Occurrences in Utah

May 17, 2011 · This is about the gold mining and prospecting industry. Tell your friends about us! It has been recently discovered that there is gold present in skarn deposits in the Western part of the state that has a potential for gold. These copper deposits are found in porphyry that can also contain molybdenum and Gold.

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Intrusion Related Gold Deposits

identified mineral resource of 13.65 Mt at 0.95 g/t gold (417 000 oz of contained gold) and a proved and probable reserve of 10.06 Mt at 1.01 g/t gold (327 000 oz of contained gold; Mustard, et al., 1988). The Timbarra granites evolved in an essentially closed system in which chilled

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EPITHERMAL GOLD-SILVER and PORPHYRY COPPER

EPITHERMAL GOLD-SILVER and PORPHYRY COPPER-GOLD EXPLORATION Short Course Manual Greg Corbett Incomplete DRAFT as at February 2018 Corbett Short Course Manual 1.2.2.5 Porphyry Cu 1.2.2.6 Skarn 1.2.2 7 Linkages between deposit types 1.3. Conclusions and exploration implications 2 Hydrothermal alteration

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PolarX identifies extension to copper-gold skarn

Jan 21, 2020 · PolarX identifies extension to copper-gold skarn. Matt Birney. Lower-grade porphyry copper deposits are the globes main source of copper and are the dominant form of mineralisation underpinning some of the largest copper mines in the world such as in Chile, Peru and the US.

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Chesapeake Intercepts Skarn and Porphyry Mineralization

Jun 21, 2018 · A high grade silver-gold vein field and ore grade zinc-gold skarn-hosted mineralization have been identified at Central and Lucy. The geological and geophysical work to date suggests Yarely could host several porphyry type targets which would be the first known in this region of the country.

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Ximen Acquires Greenwood Copper-Gold Property from

Mar 03, 2020 · The Morrison, classified as a copper and gold skarn, produced 7.15 kilograms of gold, 26.0 kilograms of silver and 10.7 tonnes copper from 2,647 tonnes. Another exciting prospect is the Buckhorn deposit, classified as a Porphyry Cu +/- Mo +/- Au deposit and hosted in the prolific Quesnelia Terrane, where pyrite, chalcopyrite, native copper

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