An Occurrence of Greenalite-Chert in the Ordovician Rocks of the Southern Uplands of Scotland

W. Q. Kennedy
Geologist, H.M. Geological Survey

Mineralogical Magazine; December 1936 v. 24; no. 155; p. 433-436; DOI: 10.1180/minmag.1936.024.155.04
© 1936, The Mineralogical Society
Mineralogical Society (www.minersoc.org)