Butcher Ridge igneous complex, Cook Mountains, Antarctica.

Stephen Marshak, P. R. Kyle, W. C. McIntosh, V. Samsonov, M. Shellhorn

Research output: Contribution to journalArticle

Abstract

The 10 km-long Butcher Ridge was mapped on a scale of 1:5000; four sections were measured and 400 samples collected. An 40Ar/39Ar age shows the body to be 175 m.y. old. Lithologies are diverse and are described in detail: they include dolerite, massive andesite and rhyolite. The complex may represent mixing in a hypabyssal setting of a silicic magma derived from the melting of crustal rocks and a basaltic magma derived from the mantle. -G.R.M.

Original languageEnglish (US)
Pages (from-to)54-55
Number of pages2
JournalAntarctic Journal of the United States
Volume16
Issue number5
StatePublished - Jan 1 1981
Externally publishedYes

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magma
mountain
diabase
rhyolite
andesite
lithology
melting
mantle
rock
Antarctica

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

Cite this

Marshak, S., Kyle, P. R., McIntosh, W. C., Samsonov, V., & Shellhorn, M. (1981). Butcher Ridge igneous complex, Cook Mountains, Antarctica. Antarctic Journal of the United States, 16(5), 54-55.

Butcher Ridge igneous complex, Cook Mountains, Antarctica. / Marshak, Stephen; Kyle, P. R.; McIntosh, W. C.; Samsonov, V.; Shellhorn, M.

In: Antarctic Journal of the United States, Vol. 16, No. 5, 01.01.1981, p. 54-55.

Research output: Contribution to journalArticle

Marshak, S, Kyle, PR, McIntosh, WC, Samsonov, V & Shellhorn, M 1981, 'Butcher Ridge igneous complex, Cook Mountains, Antarctica.', Antarctic Journal of the United States, vol. 16, no. 5, pp. 54-55.
Marshak S, Kyle PR, McIntosh WC, Samsonov V, Shellhorn M. Butcher Ridge igneous complex, Cook Mountains, Antarctica. Antarctic Journal of the United States. 1981 Jan 1;16(5):54-55.
Marshak, Stephen ; Kyle, P. R. ; McIntosh, W. C. ; Samsonov, V. ; Shellhorn, M. / Butcher Ridge igneous complex, Cook Mountains, Antarctica. In: Antarctic Journal of the United States. 1981 ; Vol. 16, No. 5. pp. 54-55.
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