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Title: Availability of petrographic thin-sections from measured sections and wells in Early- to Late-Cretaceous Nanushuk Group rocks, National Petroleum Reserve in Alaska, North Slope, Alaska

Technical Report ·
OSTI ID:5761133

A collection of thin sections from rocks of the Early- to Late-Cretaceous Nanushuk Group, North Slope, are available for study. The thin sections are from measured sections collected in 1977 and 1978, and from wells drilled within the boundaries of the National Petroleum Reserve in Alaska. The thin sections which are predominantly sandstones, have been stained with sodium cobaltinitrite for potassium-feldspar and with alizarin red-s for calcite. They have been injected, under vacuum, with blue plastic dye in order to examine the pore space for diagenetic and porosity characteristics. The majority of the samples from measured sections have not undergone petrographic analysis. Details of the stratigraphy and locations of many of the surface samples, and discussions of the petrographic characteristics of the sandstones comprising selected measured sections have been reported in the literature cited in this report. Requests for specimen loans should be directed to: Irvin L. Tailleur, Office of National Petroleum Reserve in Alaska, US Geological Survey, M.S. 87, 345 Middlefield Road, Menlo Park, CA 94025. 16 references, 1 figure, 1 table.

Research Organization:
Geological Survey, Anchorage, AK (USA)
OSTI ID:
5761133
Report Number(s):
USGS-OFR-83-520; ON: TI85901329
Country of Publication:
United States
Language:
English