Sheppard, Richard A. <br/><br/>
Zeolitic diagenesis of tuffs in Miocene lacustrine rocks near Harney Lake, Harney County, Oregon / 
by Richard A. Sheppard. 
 - Washington:   United States Government Printing Office,   1994.  
 - iv, 28 p. :  ill., maps, tables ;  28 cm. 
 -  2108 .
<br/><br/>Includes bibliographical references (p. 20). 
<br/><br/> 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. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zeolites--Oregon--Harney County<br/>Sedimentary rocks--Oregon--Harney County<br/>Volcanic ash, tuff, etc--Oregon--Harney County<br/>Diagenesis--Oregon--Harney County<br/>Geology, Stratigraphic--Miocene<br/>Geology--Oregon--Harney County
<br/><br/><label>Dewey Class. No.: </label>552.50979595