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Fold interference pattern, Contortion Spur, Antarctica Type 3 fold interference between F2 open folds and tight F1 folds in the Cambrian Sequence of the Selborne Group (Ross Orogen) at Contortion Spur (Byrd Glacier, Antarctica). Dark rocks are Contortion schists whereas whitish rocks are Madison Marble. Elicopter view. Photo by R. Carosi Fo rmore info: CAROSI…

Fold interference pattern, Contortion Spur, Antarctica

Type 3 fold interference between F2 open folds and tight F1 folds in the Cambrian Sequence of the Selborne Group (Ross Orogen) at Contortion Spur (Byrd Glacier, Antarctica). Dark rocks are Contortion schists whereas whitish rocks are Madison Marble. Elicopter view.

Photo by R. Carosi

Fo rmore info:

CAROSI R., GIACOMINI F., TALARICO F., STUMP ED. (2007) – Geology of the Byrd Glacier Discontinuity (Ross Orogen): new survey data from the Britannia Range, Antarctica. U.S. Geological Survey and The National Academies; USGS OF-2007-1047, Short Research Paper 030; doi:10.3133/of2007-1047.srp030.

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