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Partial contents: Preparation and distribution of the samples; Results of chemical analysis of samples of granite and diabase; Spectrochemical analysis of major constituent elements in minerals and rocks; Spectrochemical analysis of some of the rarer elements in the granite and diabase samples; Modal analyses of the test rocks; Summary of results. jg p.5.
Paleozoic and Tertiary stratigraphy and structure of an area at the southeast margin of the Snake River.
An investigation by staff members of University of Cape Town, South Africa; California Institute of Technology, Pasadena; Indiana Geological Survey, Bloomington; and U.S. Geological Survey.
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.