The geology and age of Peter I 0y, Antarctica
Open Access
- 1 June 1991
- journal article
- Published by Norwegian Polar Institute in Polar Research
- Vol. 9 (1) , 89-98
- https://doi.org/10.1111/j.1751-8369.1991.tb00404.x
Abstract
The island Peter I 0y is located in the BeUinghausen Sea 400 km off the coast of West Antarctica. It is situated at the transition between oceanic and contintental crust close to a former transform fault, the Tharp fracture zone. The island is completely volcanic, consisting of predominantly alkali basalt and hawaiite and some more evolved rocks. Sampling done by the Aurora expedition in 1987 has made dating and detailed petrological studies possible. The island appears to be much younger (Keywords
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