 | 1903 - 522 pages
...of foraminifera and diatoms, and a smaller number of other organisms, in such abundance as fully to warrant the assumption that the animal and vegetable...to the quantity of petroleum found in this field."* Anderson & Pack, referring to the origin of oil in the foothill region north of Coalinga, indicated... | |
 | Ralph Arnold - Coal mines and mining - 1910 - 958 pages
...of foraminifers and diatoms, and a smaller number of other organisms, in such abundance as fully to warrant the assumption that the animal and vegetable...quantity of hydrocarbons and other compounds more limn equivalent to the quantity of petroleum found in this field. The. purple-shale member of the Upper... | |
 | California Academy of Sciences - Natural history - 1927 - 594 pages
...of foraminifera and diatoms, and a smaller number of other organisms, in such abundance as fully to warrant the assumption that the animal and vegetable...equivalent to the quantity of petroleum found in this field."2 Anderson & Pack, referring to the origin of oil in the foothill region north of Coalinga,... | |
 | Geology - 1911 - 910 pages
...of foraminifers and diatoms, and a smaller number of other organisms, in such abundance as fully to warrant the assumption that the animal and vegetable...to the quantity of petroleum found in this field. Although both shales have contributed to the supply of oil in the Coalinga field the Tejon is regarded... | |
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The shales are composed in large part of the tests of foraminifera and diatoms, and a smaller number of other organisms, in such abundance as fully to warrant the assumption that the animal and vegetable material that must have been contained in them... 