Analytical and stratigraphic data on the upper phosphatic mudstone member of the Santa Margarita Formation at Newsome Canyon, southern Cuyama Valley, California
Open-File Report
79-1466
By: Albert Eugene Roberts
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Abstract
A detailed stratigraphic and geochemical program was conducted in 1978 on the strata of the upper phosphatic mudstone member of the Santa Margarita Formation at Newsome Canyon, Santa Barbara County, California, (fig 1). This program was undertaken to determine the phosphate content of each stratigraphic unit in an area of complex stratigraphy and structure. The report includes a detailed stratigraphic description of the upper phosphatic member with location of samples collected (Table 1) and a tabulation of chemical analysis for each sample (Tables 2 and 3). The chemical data indicate the marine apatite (carbonate fluorapatite) is of variable composition.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Analytical and stratigraphic data on the upper phosphatic mudstone member of the Santa Margarita Formation at Newsome Canyon, southern Cuyama Valley, California |
| Series title | Open-File Report |
| Series number | 79-1466 |
| DOI | 10.3133/ofr791466 |
| Year Published | 1979 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 64 p. |
| Country | United States |
| State | California |
| Other Geospatial | Cuyama Valley, Newsome Canyon, Santa Margarita Formation |