TY - BOOK AU - Sheppard,Richard A. ED - United States TI - Zeolitic diagenesis of tuffs in Miocene lacustrine rocks near Harney Lake, Harney County, Oregon U1 - 552.50979595 20th ed. PY - 1994///. CY - Washington: PB - United States Government Printing Office, KW - Zeolites KW - Oregon KW - Harney County KW - Sedimentary rocks KW - Volcanic ash, tuff, etc KW - Diagenesis KW - Geology, Stratigraphic KW - Miocene KW - Geology N1 - Includes bibliographical references (p. 20) N2 - Silicic vitric tuffs east of Harney Lake are altered chiefly to clinoptilolite with or without other zeolites such as analcime, chabazite, erionite, mordenite and phillipsite ER -