Mineralogy and Geochemistry of a Basanite to Phonolite Sequence at Hut Point Peninsula, Antarctica, based on Core from Dry Valley Drilling Project Drillholes 1, 2 and 3

1 November 1981

journal article
Published by Oxford University Press (OUP) in Journal of Petrology

Vol. 22 (4) , 451-500
https://doi.org/10.1093/petrology/22.4.451

Abstract

The Dry Valley Drilling Project (DVDP) cored three holes (DVDP 1, 2 and 3) at Hut Point Peninsula (HPP) on Ross Island, Antarctica. DVDP 1 reached 201 m and penetrated 40 stratigraphic units, mainly basanite and Ne-hawaiite lava flows and associated pyroclastic rocks. DVDP 2 and 3 are nearly identical. DVDP 3 reached 381 m and penetrated 15 stratigraphic units. The lower unit is a 214 m thick basanite hyaloclastite, this is overlain by flows and pyroclastic rocks of basanite, Ne-hawaiite, and then alternating Ne-mugearite and Ne-benmoreite flows. Phonolite stratigraphically overlies the drill site.

Keywords

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