Document Type

Federal Document

Publication Date

1915

Abstract

The main purpose of this report is to present the geologic evidences of the existence of petroleum in the rocks along the foothills that form the western border of the San Joaquin Valley, Cal., between the Coalinga' oil district and Livermore Pass and to discuss the chances of finding oil in commercial quantity in this region. With this end in view a general description of the physical features of the region is given, with special reference to the geologic features which have a bearing on the presence or absence of petroleum and which have determined the conclusions reached regarding the presence or absence of oil in the several areas considered. The writers take this opportunity of presenting also some additional geologic information, which may be of interest to the geologist if not to the oil prospector.

The information here presented was obtained chiefly through field studies carried on by the writers during parts of 1909, 1910, and 1911.

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