VI. On the radioactivity of the rocks of the Kolar Gold-Fields
Herbert Edmeston Watson, Gostabehari Pal · The London Edinburgh and Dublin Philosophical Magazine and Journal of Science · 1914
1. 1. The radium content of a number of similar schists from differént parts of the Kolar Gold Field has been examined by means of a new method which involves the fusion of the rock with potassium ...