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Wednesday, July 15, 2020 | History

3 edition of Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska found in the catalog.

Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska

William Wallace Patton

Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska

by William Wallace Patton

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  • 8 Currently reading

Published by U.S. Geological Survey, Books and Open-File Reports Section, distributor] in [Menlo Park, CA], [Denver, Colo .
Written in English

    Subjects:
  • Ophiolites -- Yukon Territory.,
  • Ophiolites -- Alaska -- Koyukuk.

  • Edition Notes

    Statementby William W. Patton, Jr.
    SeriesOpen-file report OF -- 92-20-F., U.S. Geological Survey open-file report -- 92-20-F.
    ContributionsGeological Survey (U.S.)
    The Physical Object
    FormatMicroform
    Pagination7 p.
    ID Numbers
    Open LibraryOL17786398M

    CIRCUM-ARCTIC PLATE ACCRETION - ISOLATING PART OF A PACIFIC PLATE TO FORM THE NUCLEUS OF THE ARCTIC BASIN MICHAEL CHURKIN, Jr. and JAMES H. TREXLER, Jr. U.S. Geological Survey, Menlo Park, CA (U.S.A.) Received December 4, Revised version received April 4, A mosaic of large lithospheric plates rims the Arctic Ocean Basin, and foldbelts Cited by: The Arctic Alaska-Chukotka terrane (AAC) is a microcontinent that today encompasses the North Slope, Brooks Range, and Seward Peninsula of northern Alaska; the Chukotka Peninsula, New Siberia Islands, and Wrangel Island in eastern Siberia; and the .

    MP Mulliken, K.M., Schaefer, J.R., and Cameron, C.E., , Geospatial distribution of tephra fall in Alaska: a geodatabase compilation of published tephra fall occurrences from the Pleistocene to the present: Alaska Division of Geological & Geophysical Surveys Miscellaneous Publication , 46 p. From the Nutzotin Mountains along the Alaska-Yukon border to southeast Alaska, Wrangellia forms a thin northwest- to southeast-trending belt in the southwest corner of Yukon. This belt is separated from several small discontinuous exposures of Wrangellia to the southwest by rocks of the Alexander Terrane.

    The Seward Peninsula of northwestern Alaska is part of the Arctic Alaska-Chukotka terrane, a crustal fragment exotic to western Laurentia with an uncertain origin and pre-Mesozoic evolution. Oct 19,  · Road tripping through the beautiful Yukon Territory, Alaska and northern British Columbia - km, 1 flat tire and adventures that will last us a lifetime. Follow us on our adventures! Instagram.


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Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska by William Wallace Patton Download PDF EPUB FB2

Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska (SuDoc I F) [William Wallace Patton] on lapachecachica.com *FREE* shipping on qualifying lapachecachica.com: William Wallace Patton. Ophiolitic terranes are defined in this series of reports as fault-bounded bells of oceanic rocks that contain ophiolite complexes.

The ophiolitic terrane bordering the Yukon-Koyukuk basin has been assigned to the Angayucham, Tozitna, and Innoko lithotectonic terranes by Jones and others ().Cited by: 1.

Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska Open-File Report F By: W.W. Patton Jr. Get this from a library. Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska. [William Wallace Patton; Geological Survey (U.S.)]. Showing all editions for 'Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska' Sort by: Format; All Formats (2) Book (1) Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska: 1.

Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska. Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska [microform] / by William W. Patton, Jr U.S. Geological Survey ; Books and Open-File Reports. Buy Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska (SuDoc I F) by William Wallace Patton (ISBN:) from Amazon's Book Store.

Author: William Wallace Patton. Ophiolitic terrane bordering the Yukon-Koyukuk Basin, Alaska [microform] / by William W. Patton, Jr Analytical results, geochemical signatures and sample locality map of. Tectonic Setting of the Yukon-Koyukuk Basin and Its Borderlands, Western Alaska Article (PDF Available) in Journal of Geophysical Research Atmospheres (B11) ·.

The Koyukuk terrane of western Alaska consists of volcanic, volcaniclastic, and plutonic rocks which range from Late Paleozoic to Early Cretaceous in age. The terrane crops out in a U-shaped belt.

About Cookies, including instructions on how to turn off cookies if you wish to do so. By continuing to browse this site you agree to us using cookies as described in. Dec 15,  · The northerly portions of the Ruby belt, including the Early to mid-Cretaceous Koyukuk arc, the Devonian–Mississippian Ruby terrane, and the obducted Angayuchum–Tozitna ophiolite, can be traced northwest through the North Alaska orocline, into Cited by: upper unit exposed at the edges of the basin where it meets the bordering terranes of the Books Range and the Ruby Terrane.

The upper unit is described by Patton and Box () as m of deltaic polymict debris from the borderlands. They further describe the upper unit as fluvial and shallow marine conglomerate, sandstone and shale.

Index map of Alaska showing location of ophiolitic terranes bordering Yukon-Koyukuk basin Yukon-Koyukuk basin -2km.5 O -2k m km 1 Ruby geanticline Jo pzps Plot of Cr# versus Mg# for chromite.

Squares, harzburgite; solid circles, residual mantle dunite; open circles, magmatic dunite; solid triangles, chromitite. Field of abyssal. The Yukon–Tanana Terrane (YTT) is a tectonic terrane that extends from central Alaska through central Yukon and into northern British Columbia, Canada and Southeast Alaska, USA.

Extending over km, the YTT is the largest tectonostratigraphic terrane in the northern North American Cordillera. Assemblage 2 more strongly resembles the Chulitna Terrane of Alaska rather than either the Windy or McKinley terranes as originally defined.

Assemblage 3 resembles part of McKinley Terrane, as well as the Aurora Peak and Pingston terranes. These terrane re-assignments have implications for the area¿s mineral potential.

All of the major ophiolitic terranes (Angayucham, Tozitna, Innoko, Seventymile, and Goodnews terranes) in the northern and central Alaska belong to the Tethyan-type' of Moores () and were obducted onto Paleozoic and Proterozoic continental and continental margin terranes in Mesozoic time.

Thirty‐six samples from plutons of the Ruby batholith of central Alaska were collected and analyzed for 22 trace elements, and many were analyzed for the isotopic compositions of Sr, Nd, O, and Pb in order to delimit the processes that produced the diversity of granodioritic to granitic compositions, to deduce the nature of the source of magmas at about Ma, and to characterize the deep Cited by: Thirty‐six samples from plutons of the Ruby batholith of central Alaska were collected and analyzed for 22 trace elements, and many were analyzed for the isotopic compositions of Sr, Nd, O, and Pb in Cited by: OFF Ophiolitic terrane bordering the Yukon-Koyukuk basin, Alaska, by Patton, W.W., Jr., OF G Ophiolitic terranes of east-central and southwestern Alaska byCited by: 6.

Jul 26,  · Ophiolitic basement to a forearc basin and implications for continental growth: The Coast Range/Great Valley ophiolite, California. Authors. Interpretation of gravity and magnetic data and development of two-dimensional cross-sectional models for the Border Ranges fault system, south-central Alaska, Geosphere,9, 2.Timothy M.

Kusky, Adam Glass, Robert Tucker, "Structure, Cr-chemistry, and age of the Border Ranges Ultramafic-Mafic Complex: A suprasubduction zone ophiolite complex", Tectonic Growth of a Collisional Continental Margin: Crustal Evolution of Southern Alaska, Kenneth D. Ridgway, Jeffrey M.

Trop, Jonathan M.G. Glen, J. Michael O'Neill.South of the Brooks Range, sediments of Cretaceous age from the Yukon-Koyukuk Province on-lap the Brooks Range and are thus considered part of Arctic Alaska.

These sediments give paleomagnetic directions that indicate variable amounts of clockwise lapachecachica.com by: 8.