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2 edition of Rb-Sr isotopic geochronologic study of Precambrian intrusives of South-central New Mexico found in the catalog.

Rb-Sr isotopic geochronologic study of Precambrian intrusives of South-central New Mexico

David L White

Rb-Sr isotopic geochronologic study of Precambrian intrusives of South-central New Mexico

by David L White

  • 392 Want to read
  • 16 Currently reading

Published by Miami University in Oxford, Ohio .
Written in English

    Subjects:
  • Geology, Stratigraphic -- Precambrian,
  • Geology -- New Mexico,
  • Geological time

  • Edition Notes

    Statementby David L. White
    The Physical Object
    Pagination147 leaves, typed :
    Number of Pages147
    ID Numbers
    Open LibraryOL14506669M

    CONTENTS Page ABSTRACT INTRODUWZQP Geographic and Physiographic Setting. [Relation to Jawbone conglomerate member (new) of Kiawa Mountain not discussed.] Age is Precambrian. Extends along its strike from NE/4 sec. 20, T. 27 N., R. 8 E., to Big Rock syncline, ( mi northwest of Big Rock) and north of the Poso anticline; also in SE/4 SW/4 sec. 23, T. 27 N. R. 8 E., Las Tablas quadrangle, Rio Arriba Co., central.

    , The metal resources of New Mexico and their economic features through New Mexico Bureau of Mines and Mineral Resources Bulle p., 3 figs. Anderson, J. B., , Structure and stratigraphy of the western margin of the Na- cimiento uplift, New Mexico: University of New Mexico, Albuquerque, unpub­Author: Ann Finley Wright. Rb-Sr dating of detrital feldspar: a new method to study till. Journal of Geology Van Schmus, W. R. Rb-Sr geochronologic analysis of metagabbro at the bottom of the Michigan Basin deep drill hole. Journal of Geophysical Research 83B(12) Wanless, R. K., R. D. Stevens and W. D. Loveridge. Anomalous parent-daughter.

    New Mexico Geological Society Guidebook, 58UNUSUAL HOLOCENE ALLUVIAL RECORD FROM RIO DEL OSOth Field Conference, Geology of the Jemez Mountains Region II, , p. INTRODUCTION The Rio del Oso is a near-permanent stream fed by snow melt, rainfall, and numerous springs in the Jemez Mountains of north-. A new study of the mineralogy of the Miocene Kra- mer borate deposit at Boron, Kern County, Calif., was recently completed by Vincent Morgan (U.S. Borax and Chemical Co.) and R. C. Erd. Several minerals new to this deposit were found: barytocalcite, garrel- site, hypersthene, natrojarosite, natrolite, sideronatrite, and Size: 13MB.


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Rb-Sr isotopic geochronologic study of Precambrian intrusives of South-central New Mexico by David L White Download PDF EPUB FB2

Precambrian rocks of the Sandia Mountains have been dated previously by the U, Th-Pb methods at about Ga. Rb-Sr geochronology yields a similar age, Ga, although local open-system conditions in the granite are indicated by data that fall off the whole-rock isochron.

Journal of Volcanology and Geothermal Research, 15 () Elsevier Scientific Publishing Company, Amsterdam -- Printed in The Netherlands 43 Rb-Sr GEOCHRONOLOGIC INVESTIGATION OF PRECAMBRIAN SAMPLES FROM DEEP GEOTHERMAL DRILL HOLES, FENTON HILL, NEW MEXICO* D.G.

BROOKINS and A.W. LAUGHLIN Department of Geology, University of New Mexico Cited by: Rb-Sr whole-rock investigation of the Pedernal Hills, New Mexico, indicates a ± m.y.

date for the granites and ± m.y. date for the schists and quartzite (country rocks) with initial 87 Sr/ 86 Sr = ± and ±respectively. The schists and quartzites are older than the granites based on field and petrographic by: 8.

"Paleoproterozoic Mojave province in northwestern Mexico. Isotopic and U-Pb zircon geochronologic studies of Precambrian and Cambrian crystalline and sedimentary rocks, Caborca, Sonora", The Mojave-Sonora Megashear Hypothesis: Development, Assessment, and Alternatives, Thomas H. Anderson, Jonathan A.

Nourse, James W. McKee, Maureen B. Steiner. The Precambrian Sandia granite of north-central New Mexico belongs to the Ga crustal province of the western USA. The granite shows an intrusive contact with the metamorphic country rocks.

The Rb-Sr whole rock isochron age of the country rocks is +/- Ga, (/sup 87/Sr//sup 86/Sr)/sub 0/ = +/- Principles of Precambrian Geologyis an update to the book, Precambrian Geology: The Dynamic Evolution of the Continental Crust, by the same author.

The new edition covers the same topics in a more concise and accessible format and is replete with explanatory figures, tables, and illustrations. Garrison JR Jr, Ramírez-Ramírez C, Long LE () Rb-Sr isotopic study of the ages and provenance of Precambrian granulite and Paleozoic greenschist near Ciudad Victoria, Mexico.

In: Pilger RH Jr (ed) The origin of the Gulf of Mexico and the opening of the central North Atlantic continents. Louisiana State University, pp 37–48 Google ScholarCited by: New U-Pb zircon ages, geochemistry, and Nd isotopic data are presented from three localities in the Paleoproterozoic Mazatzal province of southern New Mexico, United States.

New Mexico Figure 1. Small inset map on the bottom left shows the general location of the study area in south-central New Mexico. The enlarged map on the right shows the location of the fossil site where a tapir (TapirusFile Size: 2MB.

Precambrian and Tertiary geology of Las Tablas quadrangle, New Mexico (New Mexico. Bureau of Mines and Mineral Resources. Bulletin) [Barker, Fred] on *FREE* shipping on qualifying offers.

Precambrian and Tertiary geology of Las Tablas quadrangle, New Mexico (New Mexico. Bureau of Mines and Mineral Resources. Bulletin)Author: Fred Barker. Structural and stratigraphic analysis of Precambrian rocks, south-central Ladron Mountains, Socorro County, New Mexico: Publication Type: Book: Authors: Taylor, KR: Year: Keywords: Geology Stratigraphic – Precambrian, Geology – New Mexico – Ladron Mountains, Geology – New Mexico – Socorro County: Call Number: LD G46 T Geology and geochemistry of Precambrian rocks, central and south-central New Mexico (Memoir - New Mexico Bureau of Mines & Mineral Resources ; 35) Unknown Binding – January 1, by Kent C Condie (Author) See all formats and editions Hide other formats and editions.

The Amazon Book Review Author interviews, book reviews, editors' picks, and Author: Kent C Condie. Geochemical, Modal, and Geochronologic Data for Ga A-type Granitoid Intrusions of the Conterminous United States Book January with 69 Reads How we measure 'reads'.

A total of forty-three galena samples from syngenetic and epigenetic Pb-Zn mineralizations emplaced in the Lower Cretaceous Basque-Cantabrian basin and Paleozoic basement of the Cinco Villas massif in the western Pyrenees, have been analyzed for Pb-isotopic composition.

Galena from sedex mineralizations hosted in Carboniferous clastic Cited by: The Precambrian Sandia granite of north-central New Mexico belongs to the Ga crustal province of the western USA.

The granite shows an intrusive contact with the metamorphic country rocks. The Rb-Sr whole rock isochron age of the country rocks is +/- Ga, (/sup 87/Sr//sup 86/Sr)/sub.

May 9, - A fire crew fighting the Capitan Gap fire in Lincoln National Forest rescues a bear cub clinging to a tree. The burned animal later became known as Smokey Bear and the cub grew into a national symbol for the prevention of forest fires.

Several studies in New Mexico have demonstrated that landscapes respond to climatic fluctuations (principally in temperature and. precipitation) at 4 – 5. yr time scales. The foremost study was by Gile et al. (), who used geomorphic and stratigraphic rela - tions of the piedmont and Rio Grande in southern New MexicoCited by: 2.

northwest of Socorro, New Mexico (fig. Several unpaved roads west of Lemitar, New Mexico, provide excellent access to the area by either two- or four-wheel-drive vehicles.

Precambrian rocks crop out along the eastern flanks of the mountains. The map area (fig. 2) extends from the southern limit.

SP (click for details) SP - Energy and Mineral Resources of New Mexico: Boxed Set (click for details). Special Publications are books that are generally broad in scope that are published independently of the Annual Fall Field Conference Guidebooks.

You may also purchase a complete set of all NMGS publications at a significant discount. The San Juan Basin and adjacent region lie predominantly in the southeastern part of the uranium-rich Colorado Plateau of New Mexico, Arizona, Utah, and Colorado.

Underlying the province are rocks of the Precambrian basement complex composed mainly of igneous and metamorphic rocks; a thickness of about 3, meters of generally horizontal Paleozoic. New Sr and Nd isotope data on metamorphic rocks (87Sr/86Sr = and Nd/ Nd = ) suggest that the basement of the Guerrero terrane originated from sources that had been derived from an old cratonic area.Oaxaca lies at the southern end of North America proper.

The surface rocks are very largely schists and granodiorite, together with some limestone. The schists and granodiorite have been reported to be pre-Cambrian. The schists are now believed to be Cenomanian, the limestone Turonian, and the granodiorite post-Turonian.

There are but few by: 3.Purpose of Study The purpose of this study is three foldj (1) to determine the properties of the minerads that are being contributed by the pre-Cambrian rocks, (2) to determine the characteristics of minerals which might serve to Identify the parent rooks, and (3) to compare the individual minerad content of sediments derived from the pre.