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Geologic map of the Cobblestone Creek - May Creek area, east-central foothills, Brooks Range, Alaska

Dates

Publication Date
Time Period
2009
File Modification Date
2014-05-22 11:36:00

Citation

C.G. Mull, E.E. Harris, P.R. Delaney, and R.F. Swenson, 2009, Geologic map of the Cobblestone Creek - May Creek area, east-central foothills, Brooks Range, Alaska: State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys, http://dx.doi.org/10.14509/19661.

Summary

The Cobblestone Creek-May Creek area of the foothills of the Endicott Mountains is one of a series of areas selected for detailed mapping to document important structural and stratigraphic relationships at the mountain front of the east-central Brooks Range. The Cobblestone Creek-May Creek area is important in delineating the stratigraphic and structural relationships in this area because, unlike the adjacent valleys of the Itkillik and Nanushuk rivers, Cobblestone and May Creeks were not glaciated during the Pleistocene, and thus bedrock exposures are generally more continuous.

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Purpose

Local field studies by the Alaska Division of Geological & Geophysical Surveys (DGGS) began in the area in 1982 and continued intermittently in conjunction with other field studies. In recent years, interest in hydrocarbon exploration in the Brooks Range foothills has increased considerably, resulting in an opportunity to compile previous studies as well as to carry out additional field studies to address specific structural and stratigraphic problems. In addition, ongoing mapping and structural and stratigraphic studies in the Siksikpuk River - Tiglukpuk Creek area to the west (Peapples and others, 2007) have resulted in some revised structural and stratigraphic concepts that have proven to be applicable to the Cobblestone Creek-May Creek map area and the adjacent Kanayut River map area to the west (Harris and others, in press).

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  • ReSciColl Archive

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processingUrl http://www.dggs.alaska.gov/metadata/PIR2009-5.xml

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