Preliminary report on the stratigraphy and structure of the upper Siksikpuk - Nanushuk Rivers area
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Abstract
Structural and stratigraphic studies of the rocks in the Siksikpuk and Nanushuk Rivers area were conducted by Navy Oil Unit party No. 2 during the summer field season of 1950. The field party consisted of six men: two geologists; two field assistants; a cook; and a weasel mechanic. Three weasels were used for transportation of equipment and personnel.
The area examined covers approximately 1;000 square miles of the Arctic Foothills province and lies between the Itkillik River on the east and the Chandler River on the west. The area is drained by the Nanushuk, Anaktuvuk, Siksikpuk; and Chandler Rivers.
The mapped area adjoins the Okpikruak and Kiruktagiak Rivers area1/ to the west.
The primary objective of the geologic work in this area was detailed stratigraphic study of pre-Nanushuk group rocks in the Southern Foothills belt as a supplement to the work begun in the Okpikruak and Kiruktagiak Rivers area in 1949. A secondary objective was areal mapping and structural studies for the purpose of delimiting structures favorable for drilling tests of the Lisburne limestone.
Parts of this area had been reconnoitered by members of the U. S. Geological Survey in previous years. In 1901 F. C. Schrader traversed the Anaktuvuk River, In 1945 R. E. Fellows, R. M. Chapman, and C. T. Bressler visited outcrops along the northern margin of the area in the vicinity of the Anaktuvuk River and Kanayut Creek, E. J. Webber and R. L. Detterman examined a few of the cutbanke along the Nanushuk River in 1947 and in 1949. A. L. Bowsher, Sr.; and J, T. Dutro mapped an outlier of Lisburne limestone north of Nanushuk Lake during the 1949 field season.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Unnumbered Series |
| Title | Preliminary report on the stratigraphy and structure of the upper Siksikpuk - Nanushuk Rivers area |
| Series title | Geological Investigations, Naval Petroleum Reserve No. 4, Alaska |
| Series number | 30 |
| Subseries | Preliminary Report |
| DOI | 10.3133/70222234 |
| Year Published | 1950 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | Report: 21 p.; 6 Plates: 55.58 x 34.26 inches or smaller |
| Country | United States |
| State | Alaska |
| Other Geospatial | upper Siksikpuk - Nanushuk Rivers area |
| Google Analytic Metrics | Metrics page |