Talc-Kyanite-Quartz Schists and Other High-Pressure Assemblages from Zambia1

Talc-Kyanite-Quartz Schists and Other High-Pressure Assemblages from Zambia¹

S. Vrána and M. W. C. Barr²

Geological Survey Department, Lusaka, Zambia

¹Occasional Paper No. 48, published by permission of the Director, Geological Survey of Zambia.
²Present address: Dept. of Earth Sciences, The University, Leeds.

Summary: Talc-kyanite-quartz schists, Mg-chlorite-kyanite-quartz schists, kyanite gedritites, and kyanite-bronzite gedritites occur in the Central Province of Zambia. Experimental work in the system MgO-Al₂O₃-SiO₂-H₂O suggests that these assemblages formed at pressures in excess of 10 kb.

Mineralogical Magazine; September 1972 v. 38; no. 299; p. 837-846; DOI: 10.1180/minmag.1972.038.299.07
© 1972, The Mineralogical Society
Mineralogical Society (www.minersoc.org)