• No results found

Exploration for Gold Deposits

Geophysical signatures of copper gold porphyry and epithermal gold deposits, and implications for exploration

Geophysical signatures of copper gold porphyry and epithermal gold deposits, and implications for exploration

... Geophysical data are presented for a number of deposits including the Batu Hijau, Elang, Grasberg, and Alumbrera porphyry copper-gold deposits; the Martabe and Yanacocha high sulphidatio[r] ...

9

Geologic, Geochemical, and Geophysical Characterization of the Gold Deposits of the Horseshoe Bend Mining District, Idaho: Building a Four Dimensional Model for Ore Exploration

Geologic, Geochemical, and Geophysical Characterization of the Gold Deposits of the Horseshoe Bend Mining District, Idaho: Building a Four Dimensional Model for Ore Exploration

... Multiple lines of investigation indicate that anomalies are likely to occur every ~250m and to coalesce into large anomalous zones approximately every 500m in east- west oriented trends. Similiarly, en echelon offset in ...

275

Stratigraphy and structure in the Neoarchaean of the Kalgoorlie district, Australia: critical controls on greenstone-hosted gold deposits

Stratigraphy and structure in the Neoarchaean of the Kalgoorlie district, Australia: critical controls on greenstone-hosted gold deposits

... In 2005, a major campaign conducted by Placer Dome Inc. compiled the collective work and databases of the previous forty years in north Kalgoorlie, by exploration and mining companies, government geological ...

495

The mineralogical and textural characteristics of copper gold deposits related to mineral processing attributes

The mineralogical and textural characteristics of copper gold deposits related to mineral processing attributes

... Alteration zones and their minerals are routinely logged during the exploration and mining operation phases. It is the alteration minerals (including ore minerals) and their textures that are the most likely to ...

281

Geological setting, geochemistry and genesis of
the Sepon gold and copper deposits, Laos

Geological setting, geochemistry and genesis of the Sepon gold and copper deposits, Laos

... in gold-bearing pyrite generations, in an attempt to determine the source of the gold, and (b) document the characteristic trace element associations present in the various pyrite generations from SHGD to ...

71

Comparing Seismic And Magnetic Responses To Copper Gold Deposits Under Different Cover Sequences

Comparing Seismic And Magnetic Responses To Copper Gold Deposits Under Different Cover Sequences

... Cu-Au exploration seems effective, they lack the expected resolution required to detect deeper mineral deposits under >500 m ...Cu-Au deposits when located within 100-1000m depth ...valid ...

7

San Gold Launches Timmins Exploration Subsidiary

San Gold Launches Timmins Exploration Subsidiary

... San Gold Corporation (the “Corporation”), a company listed on the TSX Venture Exchange under the symbol “SGR”, today announced its intention to transfer to its wholly-owned subsidiary, SGX Resources ...grade ...

5

Geology, geochemistry and metallogenesis of selected sediment hosted gold deposits in the central gold belt, Peninsular Malaysia

Geology, geochemistry and metallogenesis of selected sediment hosted gold deposits in the central gold belt, Peninsular Malaysia

... the gold deposits mentioned in this thesis are shown in ...of gold production were made prior to the establishment of the British administration in the State of Pahang in 1888 (Richardson, ...Town, ...

247

Characterization of gold deposits of the hambol region (ivory coast)

Characterization of gold deposits of the hambol region (ivory coast)

... about gold deposits of the Hambol region remains superficial compared to the level of knowledge of lodgings ...mining exploration remains the lack of geological information (lithology, structure, ...

5

Boyongan and bayugo porphyry copper gold deposits NE Mindanao, Philippines:Geology, geochemistry, and tectonic evolution

Boyongan and bayugo porphyry copper gold deposits NE Mindanao, Philippines:Geology, geochemistry, and tectonic evolution

... The author logged core that had previously been halved (and locally quartered) on a diamond saw for geochemical sampling. Core varied in diameter from 8.2 cm (PQ) at the top of the hole to 3.4 cm (NQ) at the bottom of ...

307

Applications of mineral chemistry to petrogenesis and exploration in conduit-type Cu-PGE deposits

Applications of mineral chemistry to petrogenesis and exploration in conduit-type Cu-PGE deposits

... Many of the discrimination diagrams that distinguish magnetite that formed in different mineral deposits (Boutroy et al., 2014; e.g., Ni-Cu-PGE; Dupuis and Beaudoin, 2011), during different stages of magma ...

324

Lithogeochemical exploration for shale-hosted Pb-Zn deposits in south-west Ireland

Lithogeochemical exploration for shale-hosted Pb-Zn deposits in south-west Ireland

... lithogeochemical exploration are composite rock-chip samples (each of which normally consists of ten or more small rock fragments totalling lOOg or more in weight) and single­ grab (hand specimen) rock ...

443

Iron ore mineral deposits exploration by ground magnetics in Kindani area, Meru County, Kenya

Iron ore mineral deposits exploration by ground magnetics in Kindani area, Meru County, Kenya

... ore deposits in the Kimachia region of Meru ...the deposits cover a wider ...more deposits in the ...possible exploration for iron ore in the ...

85

Interpretation of Geological Structures Hosting Potential Gold Deposits in the Konongo Gold Mine Using Airborne Magnetic, Electromagnetic and Radiometric Datasets

Interpretation of Geological Structures Hosting Potential Gold Deposits in the Konongo Gold Mine Using Airborne Magnetic, Electromagnetic and Radiometric Datasets

... with gold mineralization is best observed in the geophysical signatures of the bedrocks and tectonic contact ...Au deposits are very variable with ...for gold minera- lization in the areas, mainly ...

23

New Approach of Structural Setting of Gold Deposits in Birimian Volcanic Belt in West African Craton: The Example of the Sabodala Gold Deposit, SE Senegal

New Approach of Structural Setting of Gold Deposits in Birimian Volcanic Belt in West African Craton: The Example of the Sabodala Gold Deposit, SE Senegal

... and gold mineralization. In the inlier, gold occurrences and large-scale transcurrent shear zones like the Senegal-Mali shear zone and the Main Transcurrent Shear Zone (MTZ) are spatially associated, ...

19

Lithospheric-scale structures in New Guinea and their control on the location of gold and copper deposits

Lithospheric-scale structures in New Guinea and their control on the location of gold and copper deposits

... however, the mechanism for their formation is disputed. One model for their formation proposes that these are associ- ated with strike-slip or oblique-slip transfer faults (cf. Gibbs 1983, 1984; Lister et al., 1986); the ...

17

Banded iron formations, pyritic black shale, and gold deposits : a re evaluation

Banded iron formations, pyritic black shale, and gold deposits : a re evaluation

... of gold paragenesis. In the case of pyrite-dominant systems, gold remains in pyrite (either in solution or as nanoparticles) at low temperatures (~250–300°C), but with increasing metamorphic grade, pyrite ...

175

Geological Exploration of Marble Deposits in Toto Area, Nasarawa State, Nigeria

Geological Exploration of Marble Deposits in Toto Area, Nasarawa State, Nigeria

... marble deposits in adjacent areas, the Muro marble can be used economically as raw ma- terials for a variety of products such as fillers, glass, papers, lime, pesticide and sewage treatment, decorative ...

10

The economic efficiency of investment in the development of reserves of small groups of geographically contiguous gold deposits

The economic efficiency of investment in the development of reserves of small groups of geographically contiguous gold deposits

... since gold is a standardized commodity with almost absolute ...for gold is more than 4100 tons. Gold is widely used in electronics and pharmacology, but the traditional and the largest consumer of it ...

5

Characterization of Alluvial Gold Bearing Sediments of Betare Oya District East Cameroon, Implication for Gold Exploration and Recovery

Characterization of Alluvial Gold Bearing Sediments of Betare Oya District East Cameroon, Implication for Gold Exploration and Recovery

... Primary gold bearing quartz veins [4] including other intrusions are of common occurrence on these surrounding ...the gold mining sites (artisanal and industrial) in this basin is linked to the various ...

15

Show all 7514 documents...

Related subjects