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Books Bücher 1 - 4 von 4 in As uniform conditions of deposition were local as well as temporary, it is to be...
" As uniform conditions of deposition were local as well as temporary, it is to be assumed that each formation is limited in horizontal extent. The formation should be recognized and should be called by the same name as far as it can be traced and identified... "
Report of the United States Geological Survey to the Secretary of the Interior - Seite 21
von Geological Survey (U.S.) - 1903
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Bulletin - United States Geological Survey, Ausgabe 361

Geological Survey (U.S.) - 1909
...for example, a rapid alternation of shale and limestone. * * * The definition of a formation * * * should include a statement of the important facts...identified in the field, whether by geologist or layman. As uniform conditions of deposition were local as well as temporary, it is to be assumed that each...
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Cenozoic Mammal Horizons of Western North America, Ausgabe 361

Henry Fairfield Osborn, William Diller Matthew - 1909 - 138 Seiten
...alternation of shale and limestone. * The definition of a formation * * should \\\c\\jA*b •»• statement of the important facts which led to its...identified in the field, whether by geologist or layman. As uniform conditions of deposition were local as well as temporary, it is to be assumed that each...
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Stratigraphy of the Lower Ordovician New Richmond Sandstone in the Upper ...

James H. Shea - 1960
...fundamental unit in the local classification of the rocks** is of little help. It is stated, however, that "the selection of formations shall be such that they...the practical and scientific needs of the users of geologic maps." This concept of the formation as a "convenient mappable unit" seems to be generally...
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Congressional Serial Set

1909
...for example, a rapid alternation of shale and limestone. * * * The definition of a formation * * * should include a statement of the important facts...identified in the field, whether by geologist or layman. As uniform conditions of deposition were local as well as temporary, it is to be assumed that each...
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