Abstract:
Previous studies suggest a large part of the Koettlitz Group deformation may be attributed to the intrusion of granitoid plutons and not solely the result of regional tectonic events as previously believed. Initial observations from the Wright Valley, with other published data from elsewhere in Southern Victoria Land attempted to derive a regional model for the intrusion of the Bonney Pluton. This ... data extends the study elsewhere around this pluton and into other plutons of Southern Victoria Land to create a more accurate regional model to explain plutonism and deformation in Southern Victoria Land. Fieldwork consisted of structural observations within the pluton, structural observations within the host rock metasediments and orthogneisses and geothermometry at sites in the Miers Valley. A separate study using garnet-biotite Fe-Mg exchange geothermometry was also carried out to determine temperatures of metamorphism for Koettlitz Group rocks in the Wright Valley.
Description:
PET LAB database of geological material. Need to do a short search under the investigators name and country = Antarctica for a list of rock samples
Allibone, A.H. Cox, S.C. Smillie, R.W. Pre-Devonian rocks. in: Geology of the Thundergut Sheet, southern Victoria Land, Antarctica 1:50 000. Map (1 sheet) and notes. Allibone A.H. Forsyth P.J. Sewell R.J. Wellington: Department of Scientific and Industrial Research. 1991. pp. [New Zealand Geological Survey miscellaneous series map 21]
Allibone, A.H. Cox, S.C. Smillie, R.W. ... Granitoids of the Dry Valleys area, southern Victoria Land: geochemistry and evolution along the early Paleozoic Antarctic craton margin. New Zealand journal of geology and geophysics 36: 299-316, 1993.
Allibone, A.H. Cox, S.C. Graham, I.J. Smillie, R.W. Johnstone, R.D. Ellery, S.G. Palmer, K. Granitoids of the Dry Valleys area, southern Victoria Land, Antarctica: plutons, field relationships, and isotopic dating. New Zealand journal of geology and geophysics 36: 281-297, 1993.
Cox, S.C. Garnet-biotite geothermometry of Koettlitz Group metasediments, Wright Valley, South Victoria Land, Antarctica. New Zealand journal of geology and geophysics 35(1): 29-40, 1992.
Cox, S.C. Inter-related plutonism and deformation in south Victoria Land, Antarctica. Geological magazine 130(1): 1-14, 1993.
Cox S.C., Parkinson D..L., Allibone A.H., Cooper A.F. (2000) Isotopic character of Cambro-Ordovician plutonism, southern Victoria Land, Antarctica. New Zealand Journal of Geology and Geophysics 43: 501-520.
Cox, S. A letter from Antarctica. New Zealand alpine journal 43: 98-102, 1990.
