Ba-Bearing Clinoptilolite from ODP Leg 127, Site 795, Japan Sea

Sigenori Ogihara
Geological Institute University of Tokyo 7-3-1, Tokyo 113, Japan

Abstract: Ba-bearing clinoptilolite (with > 2 wt. % BaO) occurs in Neogene marine siliceous sediments from ODP Leg 127 Site 795 in the Japan Sea. Ba-bearing clinoptilolite is formed by reaction of volcanic glass and Ba-rich pore water during burial diagenesis.

Key Words: Analcime • Barium • Burial diagenesis • Clinoptilolite • Siliceous sediment

Clays and Clay Minerals; August 1994 v. 42; no. 4; p. 482-484; DOI: 10.1346/CCMN.1994.0420416
© 1994, The Clay Minerals Society
Clay Minerals Society (www.clays.org)