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3 edition of Triassic Chitistone Limestone, Wrangell Mountains, Alaska found in the catalog.

Triassic Chitistone Limestone, Wrangell Mountains, Alaska

Augustus K. Armstrong

Triassic Chitistone Limestone, Wrangell Mountains, Alaska

stressing detailed descriptions of sabkha facies and other rocks in lower parts of the Chitistone and their relations to Kennecott-type copper deposits

by Augustus K. Armstrong

  • 24 Want to read
  • 20 Currently reading

Published by U.S. Geological Survey in Menlo Park .
Written in English

    Subjects:
  • Copper ores -- Alaska -- Wrangell Mountains,
  • Limestone -- Alaska

  • Edition Notes

    Bibliography: p. 19-23.

    Statementby Augustus K. Armstrong and E. M. MacKevett, Jr.
    SeriesOpen-file report - United States Geological Survey -- 77-217, Open-file report (Geological Survey (U.S.)) -- 77-217.
    ContributionsMacKevett, E. M. 1918-
    The Physical Object
    Paginationii, 23 p. [19] leaves of plates :
    Number of Pages23
    ID Numbers
    Open LibraryOL13631896M
    OCLC/WorldCa3458771

    Calloway Creek limestone and Ashlock and Drakes formations (Upper Ordovician) in south-central Kentucky / by: Weir, Gordon W. ,, et al. Published: () The Helderberg limestone of central Pennsylvania / by: Reeside, John B. , Published: (). The Mountain Sheep prospect is in Triassic Nikolai Greenstone about 60 feet below its contact with the overlying Triassic Chitistone Limestone (Van Alstine and Black, , p. ). Disseminated pyrite, bornite, and a little chalcopyrite occur in shattered greenstone. About 1 percent bornite occurs in fractured zones as much as one inch thick. The airstrip is tucked along side the river with vertical limestone cliffs of Chitstone Canyon towering feet above. Just beside the airstrip are two public use cabins. Hiking is limited here by the Chitistone River but views are great and there is ample room to wander on short hikes from the cabin. The Nizina River flows out of the Nizina Glacier and into the heart of the Wrangell Mountains from a point not far from the divide with the St Elias Mountains to the east. This area is a part of the largest protected parklands in the world and from near its source, it offers a mile or mile trip with moderate Class III difficulties.


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Triassic Chitistone Limestone, Wrangell Mountains, Alaska by Augustus K. Armstrong Download PDF EPUB FB2

The Triassic Chitistone Limestone, Wrangell Mountains, Alaska: stressing detailed descriptions of sabkha facies and other rocks: USGS Open-File Report [Augustus K. Armstrong, E. MacKevett] on *FREE* shipping on qualifying offers. Recent investigations show that sabkha deposits were important in the genesis of Kennecott-type copper s: Augustus K.

Armstrong, Alaska book. MacKevett. The Triassic Chitistone Wrangell Mountains, Wrangell Mountains, Alaska: Stressing detailed descriptions of sabkha facies and other rocks in lower parts of the Alaska book - United States Geological Survey) [Augustus K Armstrong] on *FREE* shipping on qualifying offers.

Compre o livro The Triassic Chitistone Limestone, Wrangell Mountains, Alaska: stressing detailed descriptions of sabkha facies and other rocks: USGS Open-File Report na : confira as ofertas para livros em inglês e importadosFormat: Capa Comum. Alaska book Triassic Chitistone Limestone, Wrangell Wrangell Mountains, Alaska stressing detailed descriptions of sabkha facies and other rocks in lower parts of the Triassic Chitistone Limestone and their relations to Kennecott-type copper deposits by Augustus K.

Armstrong and E. MacKevett, Jr. Cited by: 1. The Triassic Chitistone Limestone, Wrangell Mountains, Alaska: stressing detailed descriptions Triassic Chitistone Limestone sabkha facies and other rocks in lower parts of the Chitistone and their relations to Kennecott-type copper deposits: Series title: Open-File Report: Series number: DOI: /ofr Edition-Year Published: Triassic Chitistone Limestone ENGLISH.

Encuentra The Triassic Chitistone Limestone, Wrangell Mountains, Alaska: stressing detailed descriptions of sabkha facies and other rocks: USGS Open-File Report de Augustus K. Armstrong, E. MacKevett (ISBN: ) en Amazon. Envíos gratis a partir de 19€.Format: Tapa blanda.

Buy The Triassic Chitistone Limestone, Alaska book Mountains, Alaska: stressing detailed descriptions of sabkha facies and other rocks: USGS Open-File Report by Armstrong, Augustus K., MacKevett, E. (ISBN: ) Triassic Chitistone Limestone Amazon's Book Store. Everyday low prices and free delivery on eligible orders.

Armstrong, A.K., and MacKevett, E.M., Jr.,The Triassic Chitistone Limestone, Wrangell Mountains, Alaska; stressing detailed descriptions of sabkha facies and other rocks in lower parts of the Chitistone and their relations to Kennecott-type copper deposits: U.S.

Geological Survey Open-File Report87 p. Publication Products. LATE TRIASSIC Triassic Chitistone Limestone NORIAN) GASTRO PODS FROM THE CHITISTONE LIMESTONE (WRANGELLIA TERRANE), WRANGELL MOUNTAINS, ALASKA by Robert B. Blodgett (Consulting Alaska book, Anchorage) The subject for this.

The volcanic stratigraphy on the northern side of the Wrangell Mountains is also predominantly subaerial flows. Late Triassic limestone and shale overlying the Wrangell Mountains in the northern Wrangell Mountains are correlative with the Chitistone, Nizina, and Alaska book Formations on the south side of the Wrangell Mountains (Richter, ).

The Triassic Chitistone Limestone, Wrangell Mountains, Alaska by Augustus K Armstrong,available at Book Depository with free delivery worldwide. Alaska Fossils of the Month - Late Triassic (Early Norian) Gastropods from the Chitistone Limestone (Wrangellia Terrane), Wrangell Mountains, Alaska.

ALASKA FOSSILS OF THE MONTH LATE TRIASSIC (EARLY Alaska book GASTROPODS FROM THE CHITISTONE LIMESTONE (WRANGELLIA TERRANE), WRANGELL MOUNTAINS, ALASKA by Robert B. Blodgett (Consulting Geologist. Wrangell - St Elias National Park and Preserve Geologic Formations The park is noted for its geological diversity.

The Wrangell Mountains region has attracted researchers to investigate volcanism, glaciation, plate tectonics and quaternary geology. Discover our full range of books, gifts, toys, stationery and audiobooks at Buy online with Free UK Delivery on Alaska book Over £ The Triassic Wrangell Mountains at Green Butte is m thick ( m of Chitistone Limestone and m of Nizina Limestone) as measured above the smooth unaltered surface of the underlying Nikolai Greenstone (Armstrong et al., ).

The limestone is consistently bedded and shows little evidence of any reef development. Buy Stratigraphy and diagenetic history of the lower part of the Triassic Chitistone Limestone, Alaska (Geologic relations of Kennecott-type copper deposits, Wrangell Mountains, Alaska) by Augustus K Armstrong (ISBN:) from Amazon's Book Store.

Everyday low prices and free delivery on eligible : Augustus K Armstrong. Photographs showing the top of the Nikolai Formation in the Wrangell Mountains, Alaska. (a) Chitistone Limestone overlying the Nikolai Formation above Hidden Creek in the Wrangell Mountains.

Faulting has offset the contact. (b) Close-up photograph of uppermost Nikolai flow and base of the Chitistone Limestone from where Figure 5a was taken.

The Chitistone Limestone and superimposed Upper Triassic and Jurassic sedimentary rocks formed in a marine basin on and sur- rounded by the Nikolai Greenstone, a thick, extensive, largely subaerial succession of tholeiitic basalt with an intrinsically high.

Exposed at junction of Nizina and Chitistone Rivers; therefore referred to as Chitistone limestone in Nizina-Tanana section, Skolai Range, southern AK. Shown on geologic sketch map of Wrangell Mountains and adjacent area.

Consists of massive bed of dark-brown, dense, aphanitic limestone that weathers gray. Is often brecciated. Get this from a library. Stratigraphy and diagenetic history of the lower part of the Triassic Chitistone Limestone, Alaska: geologic relations of Kennecott-type copper deposits, Wrangell Mountains, Alaska.

[Augustus K Armstrong; E M MacKevett; Geological Survey (U.S.)]. Audio Books & Poetry Community Audio Computers, Technology and Science Music, Arts & Culture News & Public Affairs Non-English Audio Spirituality & Religion.

Librivox Free Audiobook. Joseph Edward Zalewski Brenda Trupp's Podcast Chris Hawkes Drevilcrazyguy shares evilnews Ecrit et cultures dans l'Europe moderne AlCaponis 10x Ambassadors Experience. Stratigraphy and diagenetic history of the lower part of the Triassic Chitistone Limestone, Alaska: geologic relations of Kennecott-type copper deposits, Wrangell Mountains, Alaska / ([Reston, Va.?]: U.S.

Dept. of the Interior, Geological Survey, ), by Augustus K. Armstrong, E. MacKevett, and Geological Survey (U.S.) (page images at. Abstract Kennecott-type deposits, among the highest grade copper deposits in the world, are located in the Wrangell Mountains of Alaska.

They are strata bound within the lowermost m of the Upper Triassic Chitistone Limestone, which overlies the Triassic Nikolai Greenstone, a sequence of largely subaerial basalt flows more than 1, m thick. Stratigraphy and diagenetic history of the lower part of the Triassic Chitistone Limestone, Alaska: geologic relations of Kennecott-type copper deposits, Wrangell Mountains, Alaska / by: Armstrong, Augustus K., et al.

Published: (). Get this from a library. Stratigraphy and diagenetic history of the lower part of the Triassic Chitistone Limestone, Alaska. [Augustus K Armstrong; E M MacKevett]. of rock in the Wrangell Mountains of southcentral Alaska represent the northern part of one of the best known and most widespread of displaced terranes, designated “ Wrangellia.” From Hot and Tropical to Cold and Arctic: The Triassic History of the Wrangell Mountains, Alaska Figure 3.

Generalized map of. Search result for saskia-stremming: Innovationen in Organisationen - der Kunde als König?(), The Triassic Chitistone Limestone, Wrangell Mountains, Alaska(), etc books - Free Download ebooks.

Chitistone Limestone, and the upper dark gray PROSPECTING AND MINING weathering Nizina Limestone. The Nikolai Greenstone is made of Triassic At about the turn of the century, the Wrangell basalt flows with an aggregate thickness of nearly Mountains were traversed extensively by prospect feet ( meters).

COPPER DEPOSITS OF THE KOTSINA-KUSKULANA DISTRICT ALASKA BY RALPH E. VAN ALSTINE AND ROBERT F. BLACK WITH AN INTRODUCTION BY and skirted the south slopes of'the Wrangell Mountains.

This was the trail commonly used in summer; travel shifted to the ice of the Tonsina, The adit is in the Chitistone limestone on the nose of a smallCited by: 2. Discover Book Depository's huge selection of E M Mackevett books online. Free delivery worldwide on over 20 million titles.

Recent investigations show that sabkha deposits in the Wrangell Mountains, Alaska, were important in the genesis of Kennecott-type copper core.

Massive chalcocite-rich lodes at Kennecott and nearby deposits formed in the lower m of Upper Triassic Chitistone Limestone. McCarthy Creek shales. A series of soft, black, highly fissile shales and slates, typically exposed on McCarthy Creek, Nizina-Tanana region, southern Alaska.

Rest on Chitistone limestone (new). Underlie (unconformably?) Kennicott series (new). Contain Triassic fossils. The Bonanza vein and other nearby ore bodies are localized in the lower part of the Upper Triassic Chitistone Limestone.

The base of the mineralization was commonly 27 to 37 meters stratigraphically above the contact of the Chitistone Limestone with the underlying Upper Triassic Nikolai Greenstone.

Armstrong AK, MacKevett EM Jr () Stratigraphy and diagenetic history of the lower part of the Triassic chitistone limestone, Alaska. US Geol Surv Prof Pap A: A1–A26 Google Scholar Armstrong AK, MacKevett EM Jr, Silberling NJ () The Chitistone and Nizinal limestones of part of the southern Wrangell Mountains, Alaska — a Cited by: 4.

Geology and Mining History of Alaska I - Federal Publications: Home Page: Sale: E. M., Jr. / STRATIGRAPHY AND DIAGENETIC HISTORY OF THE LOWER PART OF THE TRIASSIC CHITISTONE LIMESTONE, ALASKA,pb, 26 pages, 16 figs., $ 6 D.

/ GUIDE TO THE VOLCANOES OF THE WESTERN WRANGELL MOUNTAINS, ALASKA - WRANGELL - ST. ELIAS. Wrangell Mountains and Alaska Range in east and central Alaska (Iviblai Formation). This belt Quatsino limestone is known to host skarn and also. has. A.K.

and MacKevett, E.M., Jr. (1 ): The Triassic Chitistone Limestones, Wrangell Mountains, Alaska; United States Geological Survey, Open File Report 7, pages.

conformity so far as is known, by the Chitistone and Nizina limestones of Upper Triassic age. The limestone formations are approximately 3, feet thick. The Nikolai greenstone and the Chitistone limestone are the host rocks of all the best-known copper deposits.

They are overlain by Jurassic and Cretaceous sedimentary rocks, including. Bonanza Peak is a 6,foot (2, meter) mountain summit located in the Wrangell Mountains, in the U.S. state of Alaska. The peak was notable for its abundance of copper deposits which were mined from through The peak is situated in Wrangell-St.

Elias National Park and Preserve, immediately northeast of Kennecott, 7 mi (11 km) northeast of McCarthy, mi (6 km) north of. Alaska geologic map units containing lithology Sedimentary > Clastic > Sandstone > Graywacke. Upper Triassic limestone, might not be Chitistone -- Nizina equivalent.

Late-Triassic to Late-Triassic Laterally equivalent to Whiteface Mountain and Ambler volcanic and sedimentary rocks. The Kennicott Glacier lies within the Wrangell–St. Elias National Pdf and Preserve in south-central Alaska. The glacier flows pdf from its accumulation area high in the Wrangell Mountains, falling through > m of relief in its 40 km basin area is km 2, of which approximately 46% is covered by glaciers and perennial snow (Rickman and Rosenkrans, ).Cited by: Structurally complex sequences of sedimentary, volcanic, and intrusive igneous rocks characterize a nearly continuous narrow band along the Pacific co Cited by: The upper parts of ebook volcanic stratigraphy contain subaerial flows (or 1Auxiliary materials are available in the HTML.

doi/ GC Figure 5. Photographs showing the top of the Nikolai Formation in the Wrangell Mountains, Alaska. (a) Chitistone Limestone overlying the Nikolai Formation above Hidden Creek in the Wrangell Mountains.