Age, Correlation and Provenance of the Neoproterozoic Skelton Group, Antarctica: Grenville Age Detritus on the Margin of East Antarctica
Detrital zircon U-Pb ages constrain the age and provenance of the Skelton Group in southern Victoria Land, one of several Proterozoic-Cambrian metasedimentary units that form basement to the Ross Orogen in East Antarctica. The age of the youngest detrital zircons combined with previous dating of crosscutting intrusive rocks indicates deposition of the northern and southern parts of the Skelton Group between ca. 1050-535 and ca. 950-551 Ma, respectively. Many zircons in the northern part of the...[Show more]
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