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James Ross Island Volcanic Group

Description

Miocene - Recent basic volcanic lavas, tuffs, hyaloclastite breccias. Exposed widely in northeast Graham Land, particularly James Ross Island and Tabarin Peninsula area.

Age

6.5-0.5 Ma1 (K-Ar whole rock ages)

Field Photo

A Geology Field camp on James Ross Island, Northern Antarctic Peninsula, Tim Burton, BAS
A geology field camp on James Ross Island (Image c/o Tim Burton, BAS)

Map Reference

Riley, T. R., Flowerdew, M. J. & Haselwimmer, C. E. Geological Map of Eastern Graham Land, Antarctic Peninsula (1:625 000 scale). Sheet 1, (British Antarctic Survey, 2011). Available here.

References

  1. REX, D.C. 1976. Geochronology in relation to the stratigraphy of the Antarctic Peninsula. British Antarctic Survey Bulletin, 43, 49–58. ↩