Download or read book R010 Isotopic age determinations of Nevada rocks written by and published by NV Bureau of Mines & Geology. This book was released on with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Isotopic Age Determinations of Nevada Rocks written by John Harold Schilling and published by . This book was released on 1965 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geochronology written by Christopher T. Harper and published by . This book was released on 1973 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determinations and Geological Studies written by and published by . This book was released on 1965 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Compilation of Radiometric Age and Trace element Geochemical Data Yucca Mountain and Surrounding Areas of Southwestern Nevada written by and published by . This book was released on 1994 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document is a compilation of available radiometric age and trace-element geochemical data for volcanic rocks and episodes of hydrothermal activity in Yucca Mountain and the surrounding region of southwestern Nevada. Only the age determinations considered to be geologically reasonable (consistent with stratigraphic relations) are listed below. A number of the potassium-argon (K-Ar) ages of volcanic rocks given by Kistler, Marvin et al., Noble et al., Weiss et al., and Noble et al. are not included as these ages have been shown to be incorrect or disturbed by hydrothermal alteration based on subsequent stratigraphic and/or petrographic data and the recognition of errors in K-Ar age determinations related to incomplete extraction of argon. In cases where absolute ages are tightly constrained by high precision 4°Ar/39Ar ages and unequivocal stratigraphic relations, we have omitted the less precise K-Ar age data. Similarly, the more precise single-crystal laser-fusion 4°Ar/39Ar age determinations of certain units are reported and less precise ages by multi-grain bulk-fusion 4°Ar/39Ar methods are not included. This compilation does not include age data for basaltic rocks of Pliocene and Quaternary age in the Yucca Mountain region.
Download or read book Age Determinations and Geological Studies written by Geological Survey of Canada and published by . This book was released on 1973 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determinations and Geological Studies K Ar Isotopic Ages Report 9 written by and published by . This book was released on 1970 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determination of Young Rocks and Artifacts written by Günther A. Wagner and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dating the Quaternary, which covers approximately the last 2 million years, has experienced considerable progress over the past few decades. On the one hand, this resulted from the necessity to obtain a valid age concept for this period which had seen tremendous environmental changes and the advent of the genus Homo. On the other hand, instrumental improvements, such as the introduction of highly sensitive analytical techniques, gave rise to physical and chemical innovations in the field of dating. This rapid methodological development is still in full progress. The broad spectrum of chronometric methods applicable to young rocks and artifacts also becomes increasingly intricate to the specialist. Hence, it is my goal to present a comprehensive, state-of-the-art sum mary of these methods. This book is essentially designed as an aid for scientists who feel a demand for dating tasks falling into this period, i. e., Quaternary geologists and archaeologists in the broadest sense. Since it has been developed from a course of lectures for students of geological and archaeological sciences, held at the University of Heidelberg, it certainly shall serve as an introduction for students of these disciplines.
Download or read book Age Determinations and Geological Studies written by Geological Survey of Canada and published by . This book was released on 1967 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determinations and Geological Studies K Ar Isotopic Ages Report 12 written by and published by . This book was released on 1974 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determinations and Geological Studies written by and published by . This book was released on 1963 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determinations and Geological Studies K Ar Isotopic Ages Report 11 written by and published by . This book was released on 1973 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determinations and Geological Studies written by and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Absolute Age Determination written by Mebus A. Geyh and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the growing recognition during the last two centuries that the Earth has an immense age and processes over long periods of time have changed the morphology and composition of the Earth's crust, geologists have become increasingly interested in determination of absolute ages. A rela tive geochronology was established on the basis of the lithostratigraphic and biostratigraphic principles developed during the last century. With the discovery of radioactivity, the basis for a new geoscientific discipline - geochronology - was established (Rutherford 1906). It is the study of geological time, based mainly on the time signatures provided by the isotopic composition in geologic materials. The isotopic signature in a rock yields more information than that provided by the geochemical signature alone because it reflects the origin and history of the element in the rock. The aim of geochronology is to calibrate and standardize chronostrati graphic scales, to develop geological time scales that have a sensitive or at least useful resolution in order to place the geological events in the correct chronological order, and to assign their proper time spans. In practice, the application of geochronology is much wider because the data in the "natural archives" often provide information on the origin, genesis, and history of the materials. This, of course, requires an understanding of the geochemical behavior of the substances involved.
Download or read book Age Determinations and Geological Studies written by Geological Survey of Canada and published by . This book was released on 1969 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determinations and Geological Studies written by R. K. Wanless and published by Geological Survey of Canada ; Hull, Québec : available by mail from Print. and Pub. Supply and Services Canada. This book was released on 1978 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Age Determinations and Geological Studies written by Geological Survey of Canada and published by . This book was released on 1971 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt:
