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The 1:63,360 Kavik River geologic map area consists of ~620 square miles and ties together previous DGGS mapping in the Sadlerochit and Shublik Mountains area of the western Arctic National Wildlife Refuge (ANWR) on the east and the structurally complex foothills and mountain front near the Kemik gas accumulation on the west. The map area exposes a unique intersection of North Slope stratigraphy where all three major depositional megasequences are mappable in close association (Ellesmerian, Beaufortian, and Brookian).
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This preliminary report is a summary of progress made during the 2006-07 field seasons reconstructing depositional systems in Tertiary strata exposed in the Homer-Kachemak Bay area.The study area addressed in this report extends from Clam Gulch in the north to Coal Cove in the south.Tertiary strata in this area are only mildly deformed and provide a relatively clear view of depositional systems and sand body geometries along the eastern basin edge and their change from basin edge to more basin axial positions.
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The Iniskin-Tuxedni Bay area contains excellent exposures of nearly all of the lower Cook Inlet Mesozoic succession, including most of the stratigraphic sections that define the interval and the petroleum source rocks that comprise the basin. An underdeveloped understanding of the Mesozoic petroleum system has led the Alaska Department of Natural Resources' Division of Geological & Geophysical Surveys and Division of Oil and Gas, and the U.S. Geological Survey to collaborate on a multi-year project that includes two major mapping campaigns. Geologic mapping between Chinitna Bay and the Johnson River during the 2015 field season encompassed volcanic arc rocks northwest of the Bruin Bay fault system, and Mesozoic...


    map background search result map search result map Geochemistry of the Aupuk Gas Seep Along the Colville River: Evidence for a Thermogenic Origin Facies associations, sand body geometry, and depositional systems in Late Oligocene-Pliocene strata, southern Kenai Peninsula, Cook Inlet, Alaska: Report on progress during the 2006-07 field season Major-oxide and trace-element geochemical data from rocks collected in 2015 in lower Cook Inlet, Iniskin - Tuxedni region, Alaska Geologic map of the Kavik River area, northeastern Brooks Range, Alaska Geologic map of the south-central Sagavanirktok Quadrangle, North Slope, Alaska Major-oxide and trace-element geochemical data from rocks collected in 2015 in lower Cook Inlet, Iniskin - Tuxedni region, Alaska Geologic map of the Kavik River area, northeastern Brooks Range, Alaska Geologic map of the south-central Sagavanirktok Quadrangle, North Slope, Alaska Facies associations, sand body geometry, and depositional systems in Late Oligocene-Pliocene strata, southern Kenai Peninsula, Cook Inlet, Alaska: Report on progress during the 2006-07 field season Geochemistry of the Aupuk Gas Seep Along the Colville River: Evidence for a Thermogenic Origin