Results 91 to 100 of about 16,696 (213)
Recognition of the geologic framework of porphyry deposits on ERTS-1 imagery [PDF]
The author has identified the following significant results. Three major tectonic provinces have been mapped by geologic photointerpretation of ERTS-1 imagery over the Ok Tedi test site.
Wilson, J. C.
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Ore Geology Reviews, 2014 Abstract A 418 Ma albite porphyry dike emplaced in a 429 Ma granite pluton in the Hersai porphyry copper deposit (Nom, East Junggar, China) consists of euhedral and pale-orange luminescing albite phenocrysts and groundmass, zircons, blue-violet luminescing apatites and chalcopyrite–sphalerite-rich miarolitic cavities.
Xing-Wang Xu +8 more
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Summary of space imagery studies in Utah and Nevada [PDF]
The author has identified the following significant results. An enhanced enlargement of a S190B color image at a scale of 1/19,200 of the Bingham porphyry copper deposit has compared a geological map of the area with the space imagery map as fair for the
Jensen, M. L.
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Geology of a Part of the Panamint Range, California [PDF]
, 1932 The Panamint Range is a tilted fault-block, uplifted probably in Tertiary time and rejuvenated by very complex recent faulting on the west. This great block is approximately 100 miles long, but the reconnaissance geologic map covers only a tract in the ...
Murphy, F. M.
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Earth Sciences Research Journal, 2012 <p>Disseminated deposits are low-grade, large tonnage deposits which are mainly mined for gold, copper, molybdenum and tin. These deposits are normally associated with intermediate to acid plutonic intrusive rocks and all are characterized by ...
Hernández Pardo Orlando +4 more
doaj
Use of ERTS-1 images in the search for porphyry copper deposits in Pakistani Baluchistan [PDF]
Geomorphic features related to a known porphyry copper deposit at Saindak, western Chagai District, Pakistan, are easily distinguished on ERTS-1 images.
Schmidt, R. G.
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A reconnaissance geochemical drainage survey of the Criffel-Dalbeattie granodiorite complex and its environs [PDF]
, 1977 Regional geochemical reconnaissance by stream sediments and panned concentrates was undertaken over an area of 850 km 2 of south-west Scotland. Rocks of Ordovician to Permian age are exposed within the area but the major part is occupied by the ...
Brown, M.J. +3 more
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Porphyry-type copper deposits, eastern Victoria
ASEG Extended Abstracts, 1999 "Most occurrences of porphyry-type copper mineralisation in Victoria are within the Lachlan Fold Belt in eastern Victoria. Chalcopyrite, chalcocite and pyrite are the main ore minerals. Molybdenum is sometimes present. The mineralised intrusions include the Bete Belong Suite (Double Bull Creek, Sunday Creek, Stringer Knob and Mount Buck prospects), the
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ERTS-1 imagery use in reconnaissance prospecting: Evaluation of commercial utility of ERTS-1 imagery in structural reconnaissance for minerals and petroleum [PDF]
The author has identified the following significant results. This study was performed to investigate applications of ERTS-1 imagery in commercial reconnaissance for mineral and hydrocarbon resources.
Beatty, D. F. +3 more
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Cenozoic continental arc magmatism and associated mineralization in Ecuador [PDF]
, 2018 Most of the economic ore deposits of Ecuador are porphyry-Cu and epithermal style gold deposits associated with Tertiary continental arc magmatism.
Beate, Bernardo +2 more
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