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Sunday, July 12, 2020 | History

4 edition of Geology of Ruby Ridge, southwestern Brooks Range, Alaska found in the catalog.

Geology of Ruby Ridge, southwestern Brooks Range, Alaska

Alaska. Division of Geological and Geophysical Surveys.

Geology of Ruby Ridge, southwestern Brooks Range, Alaska

by Alaska. Division of Geological and Geophysical Surveys.

  • 99 Want to read
  • 18 Currently reading

Published by Division of Geological & Geophysical Surveys in College, Alaska .
Written in English

    Places:
  • Alaska,
  • Brooks Range.
    • Subjects:
    • Geology -- Alaska -- Brooks Range

    • Edition Notes

      Bibliography: p. 16.

      Statementby W. G. Gilbert ... [et al.].
      SeriesGeologic report ;, 58, Geologic report (Alaska. Division of Geological and Geophysical Surveys) ;, 58.
      ContributionsGilbert, Wyatt G.
      Classifications
      LC ClassificationsQE83 .A25 no. 58, QE84.B74 .A25 no. 58
      The Physical Object
      Paginationiii, 16 p. :
      Number of Pages16
      ID Numbers
      Open LibraryOL4377910M
      LC Control Number78621845

      Ruby Ridge traverse, southwestern Brooks Range .. 34 Zeolite deposits of as shall advance knowledge of the geology of Alaska" (fig. 1). In accordance with this charter, Alaska Range and the north end of the Talkeetna Mountains (fig. 2). The name of this series changed in to the Professional Report series. See the Professional Report series description above. GR 76 Lyle, W.M., Palmer, I.F., Jr., Bolm, J.G., and Maxey, L.R., , Post-early Triassic formations of northeastern Alaska and their petroleum reservoir and source rock potential: Alaska Division of Geological & Geophysical Surveys Geologic Rep p.,

      districts and adjacent region, southern Brooks Range, Alaska: U.S. Geol. Survey Prof. Paper , 21 p. ___, Preliminary geologic and mineral resource maps (excluding. This collection of 19 papers continues the annual series of U.S. Geological Survey reports on the geology of Alaska. The contributions, which include full-length Articles and shorter Geologic Notes, cover a broad range of topics including dune formation, stratigraphy, paleontology, isotopic dating, mineral resources, and tectonics. Articles, grouped under four regional headings, span nearly.

      Brooks Range, Alaska, and accompanying Conodont Data By Alison B. Till, Julie A. Dumoulin, Anita G. Harris, Thomas E. Moore, Heather A. Bleick, and Benjamin R. Siwiec INTRODUCTION This ,scale map depicts the bedrock geology of the southern Brooks Range, which spans northern Alaska from west to east. The map encompasses all of the Baird. Ruby Creek United States Alaska USAK 67 0 0 0 0 Kipushi Kipushi pre-Late Jurassic, pre-metamorphism 0 dolostone, dolomitic marble breccia, graphitic marble, phyllitic marble (Middle Upper Devonian) folding, thrusting, faulting multiphase greenschist to amphibolite at and Ma (possible earlier blueschist) metagabbro, greenstone.


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Geology of Ruby Ridge, southwestern Brooks Range, Alaska by Alaska. Division of Geological and Geophysical Surveys. Download PDF EPUB FB2

State of Alaska Alaska / Natural Resources DNR / Geological & Geophysical Surveys DGGS / Publications Pubs / GR 58 GR 58 DGGS GR 58 Geology of Ruby Ridge, southwestern Brooks Range, Alaska.

Geology of Ruby Geology of Ruby Ridge, Southwestern Brooks Range, Alaska (Geologic Report 58) [W. Gilbert et al.] on *FREE* shipping on qualifying : W. Gilbert et al. Get this from a library. Geology of Ruby Ridge, southwestern Brooks Range, Alaska.

[Wyatt G Gilbert; Alaska. Division of Geological and Geophysical Surveys.]. Geology of the Ruby Creek copper deposit, southwestern Brooks Range, Alaska Murray W.

Hitzman. Murray W. Hitzman Stanford Univ., Dep. Geol., Stanford, CA, United States Related Book Content. Epithermal deposits in México—Update of current knowledge, and an empirical reclassificationCited by: 6.

GEOLOGY OF RUBY RIDGE, SOUTHWESTERN BROOKS RANGE, ALASKA By W.G. Gilbert,l M.A. Wilt~e,~ J.R. Carden,3 R.B. for be^,^ and S.W. Hackettl ABSTRACT Ruby Ridge contains a polymetamorphic assemblage of pelitic schist and lesser amounts of metabasite. Geology of Ruby Ridge, south-western Brooks Range, Alaska.

Alaska Division of Geological and Geophysical Surveys, Geological Rep 16 p. logical Survey, 1 sheet Preliminary report on the. The boundary of the internal zones of the Brooks Range orogenic belt (the schist belt) is a fault contact that dips toward the hinterland (the Yukon‐Koyukuk province).

This fault, here referred to as the Cosmos Hills fault zone, juxtaposes oceanic rocks and unmetamorphosed Geology of Ruby Ridge rocks structurally above blueschist‐to‐greenschist. Ying Zhang, Aibing Li, Hao Hu, Crustal Structure in Alaska From Receiver Function Analysis, Geophysical Research Letters, /GL, 46, 3, (), ().

Wiley Online Library. Brooks Range, northernmost extension of the Rocky Mountains in northern Alaska, U.S. Named for the geologist Alfred H. Brooks, the entire range is within the Arctic Circle.

It is separated from the Alaska Range (south) by the plains and tablelands of the Yukon and Porcupine river systems. The. 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 About Cookies. Remove maintenance message.

PDF | A single specimen of the large coelocaulid gastropod, Coelocaulus cf. karlae Rohr, Blodgett, and Fryda,was recovered from a drill core | Find, read and cite all the research you. The Geology of Ancient Alaska were both pushed upward and sometimes overridden by the drifting tectonic plate to make up the present core of the Brooks Range.

During that time of plate collision, million years ago, the layers of the Arctic bedrock and the Asian plate tumbled and turned so that now there are mountains of the Brooks that.

The boundary of the internal zones of the Brooks Range orogenic belt (the schist belt) is a fault contact that dips toward the hinterland (the Yukon‐Koyukuk province). This fault, here referred to. Exploration Geology. Publications.

Publications (5) Geology of Ruby Ridge, southwestern Brooks Range, Alaska. Article. Jan ; W G Gilbert. Milton Wiltse. J R Carden [ ] S W Hackett. View. 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. The geology of Alaska includes Precambrian igneous and metamorphic rocks formed in offshore terranes and added to the western margin of North America from the Paleozoic through modern times.

The region was submerged for much of the Paleozoic and Mesozoic and formed extensive oil and gas reserves due to tectonic activity in the Arctic Ocean. Alaska was largely ice free during the.

and Mineralogists and Alaska Geological Society, B p. — Camber, Wendy, and Mull, C.G.,Preliminary bedrock geologic map of part of Geology of Ruby Ridge, southwestern Brooks Range, Alaska: Alaska Division of southwestern Brooks Range, Alaska: Alaska Division of.

Like the Brooks Range to the north, the Ruby terrane is structurally overlain by rocks of the ATI terrane along the northeast-trending Ruby structural high. The Ruby terrane consists of ductilely deformed schists of continental composition similar to those of the schist belt in the southern Brooks Range but lacks an associated fold-and-thrust.

Year Published: Bedrock geologic map of the northern Alaska Peninsula area, southwestern Alaska. The northern Alaska Peninsula is a region of transition from the classic magmatic arc geology of the Alaska Peninsula to a Proterozoic and early Paleozoic carbonate platform and then to the poorly understood, tectonically complex sedimentary basins of southwestern Alaska.

Summary This chapter contains sections titled: Introduction Stratigraphy of Arctic Alaska Terrane Angayucham Terrane Structural Geology Geologic History. Several key geologic relations of interior and northern Alaska suggest that the hinterland of the Brooks Range thrust belt, which formed part of a major Middle Jurassic to earliest Cretaceous compr.

Rocks of the 'Schist Belt' along the southern margin of the Brooks Range have attracted particular Extensional origin of Schist Belt ductile fabrics, Brooks Range, Alaska--I attention because of the occurrence of blueschists and locally, eclogite (e.g.

Hitzman et al.Gottschalk & OldowTill et al.Dusel-Bacon et al. ). Alaska geologists Frank Schrader, J. Edward Spurr and Harold Goodrich pose in work clothes, USGS Photo Library. During the s and s, the expeditions of the Navy and the Revenue Marine Service, as well as the observations of wandering prospectors, helped to chart the twists and turns of river systems in the Brooks Range.