The depositional and petrographic analysis of the Diamond Peak Formation in western White Pine County, Nevada

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Authors

Svoboda, Mark Scott

Issue Date

1988

Type

Thesis

Language

en_US

Keywords

Rush Creek Drainage , Ritter Range Pendant , Sierra Nevada Range , Paleozoic Rocks , Rush Creek Sequence , Lower Paleozoic Miogeoclinal Strata , Antler orogeny , Nevada , Mesozoic Metavolcanic Koip Sequence , Metamorphic Rocks , Di Deformation , Trending Folds , Gen Lake Shear Zone , Ductile Shear Zone , Thrust Faults , Mackay Theses and Dissertations Grant Collection

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Abstract

In Newark Valley of western White Pine County, Nevada, the Upper Mississippian Diamond Peak Formation contains a sequence of dominantly fluvial coarse elastics. These reworked orogenic sediments were shed eastward off the Antler Highland onto an alluvial plain accumulating a thick-ness averaging over 1,500 feet. The Diamond Peak Formation is interpreted to consist predominantly of braided channel fluvial deposits containing three general facies. The lowermost unit is a massive gravel conglomerate, the middle unit a conglomeratic sandstone, and the highest unit a sandstone. Beach deposits and shallow marine carbonate deposits are also present. Petrographically, the sandstones in the Diamond Peak Formation range from quartzarenites to litharenites with quartz and chert being the major constituents. Excellent potential hydrocarbon reservoir rocks are present in both the quartzarenites and sublitharenites. Diagenesis has enhanced the reservoir characteristics by the formation of secondary porosity, but also has reduced permeability by the creation of iron and clays.

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University of Nevada, Reno

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In Copyright(All Rights Reserved)

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