Laminar Opaline Silica from Some Volcanic Ash Soils in New Zealand

Teruo Henmi and Roger Lyndhurst Parfitt
Ehime University Matsuyama, Japan
Soil Bureau Department of Scientific and Industrial Research Lower Hutt, New Zealand
Key Words: Andosols • Opaline silica • Volcanic ash soils • Weathering

Clays and Clay Minerals; February 1980 v. 28; no. 1; p. 57-60; DOI: 10.1346/CCMN.1980.0280108
© 1980, The Clay Minerals Society
Clay Minerals Society (www.clays.org)