 America are: 1. The impossible areas for petroliferous rocks. (a) The more extensive areas of igneous rocks and especially those of the ancient shields; exception, the smaller dikes. (6) All pre-Cambrian strata. (c) All decidedly folded mountainous tracts...  Geology of Petroleum - Page 190by William Harvey Emmons - 1921 - 610 pagesFull view - About this book
 | Mineral industries - 1919 - 528 pages
...opinion, lead to the ascertaining of the petroliferous and non-petroliferous rocks of North America are: 1. The impossible areas for petroliferous rocks. (a)...saline lakes are excluded from this classification. (/) Practically all marine formations that are thick and uniform in rock character and that are devoid... | |
 | Geological Survey of New South Wales - 1917 - 858 pages
...strata. (c) All decidedly folded mountainous tracts older thin the Cretacaous : exceptions, doomed and block-faulted mountains. (d) All regionally metamorphosed...continental or fresh-water deposits : relic seas, so long as tliey are partly salty, and aalinc lakes are excluded from this classification. (f) Practically all... | |
 | Charles Kenneth Leith - Geology, Economic - 1921 - 502 pages
...Petroliferous provinces: Bull. 155, Am. Inst. Mining and Metallurgical Engrs., 1919, pp. 3059-3060. 145 1. The impossible areas for petroliferous rocks. (a)...saline lakes are excluded from this classification. (/) Practically all marine formations that are thick and uniform in rock character and that are devoid... | |
 | Mineral industries - 1919 - 660 pages
...opinion, lead to the ascertaining of the petroliferous and non-petroliferous rocks of North America are: 1. The impossible areas for petroliferous rocks. (a)...mountains. (d) All regionally metamorphosed strata. (/) Practically all marine formations that are thick and uniform in rock character and that are devoid... | |
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