Published:January 01, 1941
Among the various substances which are found in the earth‘s crust, petroleum and natural gas occupy a unique position in that they are combustible fluids. The highly distinctive and interesting properties of petroleum would alone have led to close investigation of its origin and occurrence, but its widespread distribution and great usefulness to mankind have made it the objective of many lines of scientific research and have gained for petroleum geology a leading position in geologic science.
The geology of petroleum may be considered from either of two standpoints. In the field of economic geology it has become one of the most important branches and has attracted to it the largest group of specialists concerned with any mineral resource. Apart from its economic importance and in its proper relation to other divisions of geologic science, petroleum geology may be regarded as a branch of sedimentary petrology, co-ordinate with hydrology or the geology of coal deposits.
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Published in celebration of the Geological Society of America’s 50th anniversary, this 578-page volume presents the progress in geology from 1888 to 1938. Written to serve as a comprehensive summary, both for the generalist and the specialist, it explores the fundamental fields of geology, including physiography, glacial geology, oceanography, invertebrate paleontology, vertebrate paleontology, prehistoric archeology, paleobotany, stratigraphy, sedimentation, structural geology, pre-Cambrian, mineralogy, petrology, volcanology, geochemistry, general geophysics, seismology, ore deposits, petroleum geology, exploratory geophysics, and engineering geology.