Petrography of University of Washington dredge samples for the central Chukchi Sea
Open-File Report
75-269
By: Jeremy B. Platt
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Abstract
Twenty thin sections of rocks dredged from the central Chukchi Sea have been examined petrographically and compared with some onshore rocks in northern Alaska. Of these, 16 are sandstones, three are highly CaCO3-rich silts and carbonate rocks, and one is an olivine-magnetite-rich basalt. Eight of the sandstones have been point-counted in an effort to determine compositional trends. Sample numbers, lithologies, and locations are summarized in Table 1, and locations are shown in Figure 1. Dr. Joe S. Creager of the University of Washington kindly provided the dredge samples and thin sections for study.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Petrography of University of Washington dredge samples for the central Chukchi Sea |
| Series title | Open-File Report |
| Series number | 75-269 |
| DOI | 10.3133/ofr75269 |
| Year Published | 1975 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 14 p. |
| Country | United States |
| State | Alaska |
| Other Geospatial | Chukchi Sea |
| Google Analytic Metrics | Metrics page |