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The Kupferschiefer of northern central Europe is not only one of the largest sediment-hosted accumulations of copper ores worldwide (largest 1% of deposits with >60 Mt …
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The origin of the marine sand shale-hosted copper deposit was analyzed and discussed in the aspects of metallogenic matter source and the ore-forming mechanisms such …
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Many stratiform copper deposits are known in Permian shales and sandstones of western Oklahoma, but the most important ones are two copper-bearing shales in the Flowerpot Shale …
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The Qin-Hang metallogenic belt is one of the most important metallogenic belts in South China, containing several large-scale copper, gold, lead, zinc, tantalum, uranium, and …
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The shallow marine VMS copper deposit of Yushui, Eastern ... contains volcanic rocks, arkose, and silty shale with dacitic ... Zhongxin Formation is overlain by littoral pebbly quartz sand …
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The Neogene-Quaternary alkaline basalt epigenetic weathering forms a series of large-super large red clay bauxite (Phuoc Dang (VN), Dac Non (VN)). Multi-stage gangue …
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the basal Nonesuch Shale and the amount of copper in the basal-most Nonesuch beds (interpreted as a chemical filtering of copper from the base' beds, and raising the question as …
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Through systematical correlation, the prospecting potential of the Dongchuan-Yimen copper mineralization belt and the marine sand shale-hosted copper deposits in West …
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Sedimentary copper deposits are an important source of copper, and the Central African copper belt is the highest grade and largest copper deposit in the world. As an important part of the …
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Sandstone-hosted copper deposits primarily refer to stratified copper minerals found in conglomerates, sandstones, siltstones and other clastic sedimentary rocks (Huang et …
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Combining the evidence from the geological features (syn-volcanic faults, volcanic rocks, exhalites) and hematite trace element compositions, we suggest that the Yushui is a …
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Sandstone-hosted copper (sandstone Cu) deposits occur within a 200-km reach of the northern Chu-Sarysu basin of central Kazakhstan (Dzhezkazgan and Zhaman-Aibat deposits, and the …
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The Kupferschiefer of northern central Europe is not only one of the largest sediment-hosted accumulations of copper ores worldwide (largest 1% of deposits with >60 Mt …
WhatsApp: +86 18221755073
The Kamoa copper deposit is located in the Katanga Province of the southern Democratic Republic of Congo outside of the area previously considered prospective for large copper deposits. With a 1 % Cu cutoff, the hypogene …
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The Middle Eocene to Late Oligocene Crocker Formation is characterized by interbedded sandstones and mudstone interpreted as deep marine submarine fan deposits …
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a, Democratic Republic of Congo) and the Kalahari Copperbelt (Namibia and Botswana). Stratabound Cu-Ag and Cu-Co deposits are hosted in marine or continental (red beds) …
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Marine and Petroleum Geology. Volume 134, December 2021, 105366. ... Sand-shale mixture, in turn, will be referred to the combination of sand with clay or redeposited …
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Connectivity between individual channels will depend on how much shale is present. The effect of increasing shale content is to reduce vertical connectivity through sand …
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Through systematical correlation, the prospecting potential of the Dongchuan-Yimen copper mineralization belt and the marine sand shale-hosted copper deposits in West …
WhatsApp: +86 18221755073
Marine Deposition. Most sediments eventually get transported into the oceans. In the sedimentary record, shallow marine deposits are the most abundant due to their large volume and the low …
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Sedimentary and Diagenetic Mineral Deposits Chapter 14 SHALE-HOSTED DEPOSITS OF PB, ZN, AND BA: SYNGENETIC DEPOSITION FROM EXHALED BRINES IN …
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Overlying the transgressive marine shale first is mudstone, then interbedded sandstone and mudstone, and finally sandstone, representing another parasequence (left …
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Copper-shale, stratiform copper hosted by low-energy sediments, marine paralic, Kupferschiefer ... marine basins with deposits of hydrocarbon are sources for the formation of reducing fluids. …
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The Yushui copper deposit in Guangdong (South China) contains stratiform bornite-chalcopyrite orebodies (102.1 kt Cu @ 3.5%, 186.6 kt Pb @ 4.29%, 117.6 kt Zn @ 2.91%, and 339 t Ag @ 112 g/t ...
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The concept introduced here suggests a common provenance of copper origin for all cupriferous sandstones and shale-type deposits, the source of copper being terrigenous red-bed …
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Permian marine-terrigenous-facies sand-shale formations are also located in the southeastern region of this area. The other strata include Jurassic and Cretaceous terrestrial …
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In the case of redbed-type deposits, the gray beds are part of a continental fluvial sequence [2], euxinicsapropelic facies predominate, there are clay-rich bituminous shale a basinal facies in …
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Highlights Talvivaara is the largest black-shale-hosted Ni-Cu-Zn-Co deposit in the world. Organic-rich mud and sand deposited 2.1–1.9 Ga ago in stratified marine basins. …
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Sedimentary copper deposits are formed in ocean basins, where the seabed is composed of porous materials such as sandstone, limestone and black shale, through which copper and other minerals travel up and become …
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