Transcription of Porosity and Bulk Density of Sedimentary Rocks
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Porosity and Bulk Density of Sedimentary Rocks
Porosity and Bulk Density of Sedimentary Rocks ~y G. EDWARD MANGER :ONTRIBUTIONS TO GEOCHEMISTRY GEOLOGICAL survey BULLETIN 1144-E Prepared partly on behalf of the Atomic Energy Commission UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1963 UNITED STATES DEPARTMENT OF THE INTERIOR STEW ART L. UDALL, Secretary GEOLOGICAL survey Thomas B. Nolan, Director For sale by the Superintendent of Documents, Government Printing Office Washington, , 20402 CONTENTS Page Abstract-------------------------------- --------------------------E1 Introduction_____ 1 Methods of Porosity determination _____ ------_____ -------_ 45 lteferences----------------------------- ---------------------------47 TABLES TABLE 1. Sandstone, siltstone, quartzite, chert, and conglomerate_____ E5 2. Limestone, dolomite, chalk, and marble_____ 26 3. Shale, claystone, and slate_____ 36 4. Unconsolidated materials_____ 41 5. Other rock types_____ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 44 m CONTRIBUTIONS TO GEOCHEMISTRY Porosity AND BULK Density OF Sedimentary Rocks By G.
in this report is from various sources and does not necessarily follow that of the U.S. Geological Survey. Total porosity is a measure of all the void space of porous material. It includes the sealed-off pores as well as those which are connected with the surface of the test specimen. The equation for total poros ity (P T) by percent is (1)
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