Hydrothermal alteration, contact metamorphism, and authigenesis in Ferrar Supergroup and Beacon Supergroup rocks, Carapace Nunatak, Allan Hills, and Coombs Hills, Victoria Land, Antarctica

• Main Authors: Ballance, P.F., Watters, W.A.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Royal Society Of New Zealand 2002
• Subjects: Fields of Research::260000 Earth Sciences::260100 Geology; Allan Hills; Carapace Nunatak; Coombs Hills; Victoria Land; Antarc*; Antarctica
• Online Access: http://hdl.handle.net/2292/4877

Permian-Triassic Beacon Supergroup (dominantly quartz-rich sandstones with coal) and Jurassic Ferrar Supergroup (mafic intrusives, extrusives, and phreatomagmatic clastic rocks), in the region studied, are separated by 20 m.y. of uplift, erosion, and nondeposition. Probable pre-Ferrar secondary mine...