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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)


Journal of Sedimentary Petrology
Vol. 29 (1959)No. 1. (March), Pages 98-103

A Photomultiplier Photometer for Studying Quartz Grain Orientation

Andrew L. Pierson, III


In this article an improved photometer for studying quartz grain orientation is described. The nonlinear illumination effects caused by a phototube having a cylindrical cathode and an axial wire anode have been eliminated in this new system by the use of an infrared sensitive photomultiplier tube with a flat photocathode. Because of this improvement, the preferential quartz grain orientation of many thin sections which could not be measured before can now be determined.

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