Anagram & Information om | Engelska ordet SEDEX

Volcanogenic massive sulfide deposits are distinctive in that ore deposits are formed in close temporal association with submarine volcanism and are formed by hydrothermal circulation and exhalation of sulfides which are independent of sedimentary processes, which sets VMS deposits apart from sedimentary exhalative (SEDEX) deposits.
Sedimentary exhalative deposits (SEDEX or SedEx deposits) are zinc-lead deposits originally interpreted to have been formed by discharge of metal-bearing basinal fluids onto the seafloor resulting in the precipitation of mainly stratiform ore, often with thin laminations of sulfide minerals.
Sangster (2002): The role of dense brines in the formation of vent-distal sedimentary- exhalative (SEDEX) lead-zinc deposits: field and laboratory evidence.
Geological activity accumulated sulfide minerals into local vent complex sea floor basalts, creating VHMS volcanogenic hosted massive sulfide and SEDEX sedimentary exhalative deposit depositional environments, which were all later accreted and folded onto the margin of the continental crust which formed the Appalachian Mountains during numerous mountain building events.
Hydrothermal mineral deposits are divided into six main subcategories: porphyry, skarn, volcanogenic massive sulfide (VMS), sedimentary exhalative (SEDEX), and epithermal and Mississippi Valley-type (MVT) deposits.

Förberedelsen av sidan tog: 3 500,00 ms.

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