 Sci., vol. 35A, pp. 231-245 (1938). The radium content of various types of granites of Finland is compared with certain petrologic characteristics of the several rocks. No relation is found between radium and potash or ferrous oxide, but for granites...  Bulletin - Page 671940Full view - About this book
 | John George Staack - Bench-marks - 1940 - 1008 pages
...Eola area, presumably on lop of the Cane River formation, are given. — WA 5. RADIOACTIVE METHODS 51. Barth, TFW, Radium and the petrology of certain granites...with the amount of biotite. — Author's abstract. Weevil, NB, The calculation of geological age: Am. Jour. Sci., vol. 237, No. 3, pp. 195-214, New Haven,... | |
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