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A Nonmarine Late Cretaceous Depositional Unit on King George Island, West Antarctica

Yanbin, Shen (1992) A Nonmarine Late Cretaceous Depositional Unit on King George Island, West Antarctica. Advances in Polar Science, 3 (1). pp. 17-24.

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Abstract

A new lithostrat(graphic unit) Half Three Point Formation is determined on an inlet (62°13' 40'S, 58°59'01 W) near Half Three Point of Fildes Peninsula of King George Island, South Shetland Islands. This formation consists of volcanic breccia, sediment - tuff, tuffaceous siltstones and mudstones about 5.5 thick. The Palynomorph assemblage is a Late Cretaceous age (Campanian - Maastrichtian). Isotopic age of the tuffites by Rb - Sr whole rock method is 71.30(plus, minus)0.3 Ma.

Item Type: Article
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    Date Deposited: 05 Apr 2023 09:27
    URI: http://library.arcticportal.org/id/eprint/2041

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