Download or read book Sequence Stratigraphic and Facies Analysis of the Eocene to Oligocene in the Santa Ynez Mountains California written by Jeffrey Todd Pietras and published by . This book was released on 1998 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Stratigraphy and Sedimentology of the Eocene Tejon Formation Western Tehachapi and San Emigdio Mountains California written by Tor Helge Nilsen and published by . This book was released on 1987 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Sedimentology and Paleontology of Eocene Rocks in the Sespe Creek Area Ventura County California written by A. Eugene Fritsche and published by . This book was released on 1994 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Professional Paper written by and published by . This book was released on 1987 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Geological Survey Professional Paper written by and published by . This book was released on 1974 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey Professional Paper written by Geological Survey (U.S.) and published by . This book was released on 1975 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Conglomerates of the Upper Middle Eocene to Lower Miocene Sespe Formation Along the Santa Ynez Fault written by Jeffrey L. Howard and published by . This book was released on 1995 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Geological Survey Bulletin written by Colin F. Williams and published by . This book was released on 1983 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phosphatic concretions occur within diatomite in the upper part of the Miocene Monterey Formation near Lompoc, Calif. Absence of disruption of fine laminar bedding in the associated sediment by the concretions shows that they formed after complete compaction of the enclosing sediment.The concretions exhibit a strongly concentric color, chemical, and mineralogic zonation. Many of them are composed of a nucleus in which vivianite is the dominant mineral. Amorphous ferric phosphate, mitridatite, and francolite are the dominant phosphatic phases in successive layers toward the surface of the concretions. Cd and As contents increase tenfold from the nucleus outward, reaching a maximum of 2,000 ppm, whereas Ni content, with a maximum of 720 ppm, and Co content show the opposite trend. This mineralogy and elemental composition favor accretion under conditions of continuously increasing Eh and pH, during uplift into the fresh-ground-water zone of the terrestrial environment. Shale-normalized rare-earth-element patterns, however, suggest a marine source for the elements biogenic debris consisting of opal-A, organic matter, and carbonates of the enclosing sediment.

Download or read book Sedimentation and Tectonics in the Early Tertiary Continental Borderland of Central California written by Tor Helge Nilsen and published by . This book was released on 1975 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Publications of the Geological Survey written by and published by . This book was released on 1971 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The American Association of Petroleum Geologists Bulletin written by American Association of Petroleum Geologists and published by . This book was released on 1973 with total page 1430 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book From Greenhouse to Icehouse written by Donald R. Prothero and published by Columbia University Press. This book was released on 2003 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: The marine Eocene-Oligocene transition of 34 million years ago was a critical turning point in Earth's climatic history, when the warm, high-diversity "greenhouse" world of the early Eocene ceded to the glacial, "icehouse" conditions of the early Oligocene. This book surveys the advances in stratigraphic and paleontological research and isotopic analysis made since 1989 in regard to marine deposits around the world. In particular, it summarizes the high-resolution details of the so-called doubthouse interval (roughly 45 to 34 million years ago), which is critical to testing climatic and evolutionary hypotheses about the Eocene deterioration. The authors' goals are to discuss the latest information concerning climatic and oceanographic change associated with this transition and to examine geographic and taxonomic patterns in biotic turnover that provide clues about where, when, and how fast these environmental changes happened. They address a range of topics, including the tectonic and paleogeographic setting of the Paleogene; specific issues related to the stratigraphy of shelf deposits; advances in recognizing and correlating boundary sections; trends in the expression of climate change; and patterns of faunal and floral turnover. In the process, they produce a valuable synthesis of patterns of change by latitude and environment.

Download or read book U S Geological Survey Bulletin written by and published by . This book was released on 1983 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Upper Eocene Foraminifera from the Southwestern Santa Ynez Mountains California written by William R. Weaver and published by . This book was released on 1964 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bulletin of the Southwestern Association of Petroleum Geologists written by American Association of Petroleum Geologists and published by . This book was released on 1973 with total page 1420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Petroleum Abstracts Literature and Patents written by and published by . This book was released on 1990 with total page 1416 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Publications of the U S Geological Survey 1971 1981 written by and published by . This book was released on 1986 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: