Refraction studies between Icy Bay and Kayak Island, eastern Gulf of Alaska
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Abstract
Results of five seismic refraction lines shot by the U.S. Geological Survey in the Gulf of Alaska between Icy Bay and Kayak Island indicate the following: (1) The Continental Shelf is underlain by as much as 11 km of sedimentary rock of probable Tertiary age where refraction velocities range from 1.2 to 5.5 kilometers per second; (2) a section approximately 5 km thick, which has velocities of 4.1-5.5 km/s and which could represent the Orca Group (lower Tertiary), is present in the western part of the study area but not in the eastern part; and (3) consistent basement velocities of approximately 7.0 km/s could indicate oceanic crust underlying the continental margin.
Study Area
Publication type | Article |
---|---|
Publication Subtype | Journal Article |
Title | Refraction studies between Icy Bay and Kayak Island, eastern Gulf of Alaska |
Series title | Journal of Research of the U.S. Geological Survey |
Volume | 6 |
Issue | 5 |
Year Published | 1978 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Reston, VA |
Description | 12 p. |
First page | 625 |
Last page | 636 |
Country | United States |
State | Alaska |
Other Geospatial | Gulf of Alaska, Icy Bay, Kayak Island |
Online Only (Y/N) | N |
Additional Online Files (Y/N) | N |
Google Analytic Metrics | Metrics page |