USNC-IGY Antarctic Glaciological Data, Report Number 2: Field Work 1958-59

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USNC_IGY_AGDFW_825_2_Part_VIII.pdf (9.91 MB)

Date

1960-09

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The Ohio State University Research Foundation

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Abstract

Rock specimens from newly-discovered mountain masses and nunataks in Marie Byrd Land, Antarctica, are described. Four chemical analyses of volcanic rocks from Mt. Takahe are presented. The volcanic specimens, identified as oligoclase andesite, reflect a marginal-continental occurrence, typical of the Circum-Pacific volcanoes. Petrographic, lithologic, and structural evidence suggest that the Sentinel Mountains structure can be extended for about 200 miles south-westward to Mt. Johns and Mt. Ewing. Detailed petrographic descriptions of 80 thin sections are presented.

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Submitted to the U.S. National Committee for the IGY, National Academy of Sciences, in partial fulfillment of IGY Project Number 4.10 - NSF Grant No. Y/4.10/285.

Keywords

Rock specimens--Marie Byrd Land, Antarctica, Volcanic rocks--Mount Takahe, Antarctica

Citation

Anderson, V.H. 1960. USNC-IGY Antarctic Glaciological Data, Report No. 2: Field Work 1958-1959: The Petrography of Some Rocks From Marie Byrd Land, Antarctica. Ohio State University Research Foundation Report 825-2-Part VIII, IGY Project No. 4.10, The Ohio State University Research Foundation, 45 pages.

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http://hdl.handle.net/1811/51922

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