A Contribution to the Petrology of the Whin Sill

S. I. Tomkeieff

Armstrong College, University of Durham, Newcastle-upon-Tyne

Mineralogical Magazine; June 1929 v. 22; no. 125; p. 100-120; DOI: 10.1180/minmag.1929.022.125.04
© 1929, The Mineralogical Society
Mineralogical Society (www.minersoc.org)