Aranjin Announces the Victory Copper Nickel Discovery

2 days agoMineralised zones intersected in drilling are open along strike and at depth and this is further confirmed by preliminary dipole dipole IP geophysics that tested and confirmed that the

Journal articles Exploration and surveys Grafiati

Mapping of faults and shear zones with which gold may be associated is also valuable e g by magnetic EM surveys etc Magnetite depletion is characteristic of some deposits resulting in zones of low anomalies; for example ferromagnetic minerals in mafic volcanics are destroyed by carbonatization

Is rhyolite porphyry intrusive or extrusive

The gold deposits at Majors Creek consist of mineralised alteration zones in granodiorite and associated aplites as well as discrete quartz and quartz calcite veins in granodiorite and the immediately adjacent country rocks Gilligan 1975 Wake and Taylor 1988 The gold varies in fineness from 810 940

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Mineral and geothermal resource potential of the Mount Hood Wilderness

A mineral survey of the Mount Hood Wilderness Oregon was conducted in 1980 Geochemical data indicate two areas of substantiated mineral resource potential containing weak epithermal mineralization an area on the north side of Zigzag Mountain where vein type lead zinc silver deposits occur and an area on the south side of Zigzag Mountain where the upper part of a quartz diorite pluton has

New geochronological and isotopic constraints on granitoid related gold

dargues reef is the largest deposit in the study area ex ex dr in the dargues reef area and a number of mineralised dr faults trend east west and east southeast post dating figures 3 4 & 5 he reef was worked between 1875 veins to the south near majors creek e g hanlons and 1916 producing a reported 1 95 t gold …

Mine Closure Paper PDF Mining Evapotranspiration

Mine Closure Paper Free download as PDF File pdf Text File txt or read online for free In a perfect world mines would only close when their economic reserves and resources are exhausted and a mine closure plan is in place and progressively implemented e g the coal seam is completely extracted or the mineral orebody has been completely recovered and no more coal or ore can be

Andesite Rock Properties Composition Formation Uses

Andesite is volcanic rock named after the Andes Mountains Intermediate in silica content it is usually gray in color and may be fine grained or porphyritic Andesite is the volcanic equivalent of diorite It consists of the plagioclase feldspar minerals andesine and oligoclase together with one or more dark ferromagnesian minerals such as

Kalo Gold Enters into a Definitive Agreement to Acquire 100% of An

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Lithologically controlled invisible gold Yukon Canada

Fig 13 Oblique view of a three dimensional block model of the mineralised zones Au >0 5 mg/kg cutoff at the Coffee deposit unpublished compilation Kaminak Gold Corporation

the gold deposits at majors creek consist of mineralised alteration

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Colibri Resource Reports Drilling Results and Provides Exploration

2 days agoHigher grade mineralization on the Evelyn property consists of quartz veins and veinlets ranging from 2 3 centimeters up to 1 5 m hosted by fault and fracture zones with minor oxidized pyrite

Tinone Closes Oversubscribed Private Placement Financing for Gross

5 days agoTinOne is a TSX Venture Exchange listed Canadian public company with a high quality portfolio of tin projects in the Tier 1 mining jurisdictions of Tasmania and New South Wales Australia The

Lithologically controlled invisible gold Yukon Canada

gold deposit >4 Moz resource consists of an extensive oxidised zone developed on primary sulphidic rock The primary mineralised rock is characterised by invisible gold in arsenian pyrite that

Major Styles of Mineralization and Hydrothermal Alteration and USGS

Major Styles of Mineralization and Hydrothermal Alteration and Related Solid and Aqueous Phase Geochemical Signatures By Dana J Bove M Alisa Mast J Bradley Dalton Winfield G Wright and Douglas B Yager Chapter E3 of Integrated Investigations of Environmental Effects of Historical Mining in the Animas River Watershed San Juan County

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GS Report 2024/297 ASEG2004 EXCURSION GUIDE WORLD CLASS MINERAL DEPOSITS OF THE LACHLAN OROGEN NEW SOUTH WALES AUSTRALIA 20 21 August 2024 Geological Survey of New South W

New geochronological and isotopic constraints on granitoid related gold

The reef was worked between 1875 veins to the south near Majors Creek e g Hanlons and 1916 producing a reported 1 95 t gold Goleby 0 the mineralising events They focus modern drainage 04 30m 6 55g/t Great Star Sphinx No 1 Dunsheas Reef and Mobbs 1977; Table 1 p 22

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Exploration Ramps Up at Red Mountain goldseiten de

3 days agoShallow gold rich and silver rich copper mineralisation has been identified in numerous zones located within a 4 5km long and 300m wide prospective mineralisation zone This mineralisation is

Geology and Earth Science News Articles Photos Maps and More

Geology News including Earth science mining gemology maps metals archaeology and more The Acid Test Fool s Gold is a name used for pyrite when its brassy color fools people looking for gold Morganite Morganite is an orange to pink gemstone a variety of Utica Shale is a major source of oil natural gas and natural gas liquids