| Abstract: | The time transgressive nature of the California benthic foraminiferal stages is in most cases the result of poor taxonomy, use of local species ranges, and a lack of understanding about the type sections. Correcting these problems allows the stages to be consistently applied and enhances their ability to identify coeval strata. Each stage is identified by the first and last appearances of selected cosmopolitan benthic foraminiferal species and of reliable local species. Although further study is needed, the stages correlate with the international time scale. The revised age interpretation of the stages suggests that the Cheneyian Stage is coeval with planktic zone P1 through P3, the Ynezian Stage is coeval with planktic zone P4, the Bulitian Stage is missing in most section but when present is coeval with zones P5 and P6a, the Penutian Stage is coeval with planktic zones P6b through early P9 (no younger than the overlap between P9 and CP11), the Ulatisian Stage is coeval with P9 (younger than CP11) through P11, the Narizian Stage is coeval with zones P12 through P15, and the Refugian Stage is coeval with zones P16 and P17. |
| Genre: | USGS Numbered Series |
| ProdID: | 70043077 |
| Citation Author: | McDougall, Kristin |
| Citation Contributing Office: | Western Energy Resources |
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| Citation Language: | English |
| Citation Larger Work Title: | Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California (PP 1713) |
| Citation LatN: | 38.0 |
| Citation LatS: | 34.75 |
| Citation LonE: | -118.75 |
| Citation LonW: | -121.75 |
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| Citation Phsyical Description: | Chapter 4: 56 p. |
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| Citation Public Comments: | This report is Chapter 4 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California. Please see Professional Paper 1713 for other chapters. |
| Citation Publisher: | U.S. Geological Survey |
| Citation Series: | Professional Paper |
| Citation Series Code: | PP |
| Citation Series Number: | 1713-4 |
| Citation Search Results Text: | California Cenozoic Biostratigraphy -- Paleogene: Chapter 4 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California; 2008; PP; 1713-4; Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California (PP 1713); McDougall, Kristin |
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| Citation Year: | 2008 |
| Type: | citation/reference |
| Text: | California Cenozoic Biostratigraphy -- Paleogene: Chapter 4 in Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California; 2008; PP; 1713-4; Petroleum systems and geologic assessment of oil and gas in the San Joaquin Basin Province, California (PP 1713); McDougall, Kristin |
| URL (INDEX PAGE): | http://pubs.usgs.gov/pp/pp1713/ |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/pp_1713_4.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/pp/pp1713/04/pp1713_ch04.pdf |
| Date Other: | Sun, 1 Jan 2012 00:00 -0600 |
| Publisher: | U.S. Geological Survey |
