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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)

Abstract


Journal of Sedimentary Petrology
Vol. 34 (1964)No. 2. (June), Pages 360-364

Petrology of Rocks Collected on the Antarctic Peninsula Traverse

T. S. Laudon, J. C. Behrendt, N. J. Christensen

ABSTRACT

Rock specimens collected at eleven locations in the southern portion of the Antarctic Peninsula have been analyzed. Rocks of sedimentary origin crop out at six localities and consist of quartz wacke, argillite, arkose, black shale, and conglomerate. A Cretaceous age has been determined at one location based on the presence of Rotularia callosa (Stoliczka). Bark and other plant fragments were collected at another site. Igneous rocks consisting of dacite, andesite, and one specimen of quartz monzonite were collected at eight sites. Structural attitudes are disturbed in all outcrops and steep dips predominate. The general alignment of the peaks and their structure show that they are a continuation of the fold mountains of the northern portion of the Antarctic Peninsula.


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