Download The Petrography And Genesis Of The Sediments Of The Upper Cretaceous Of Maryland (1916) djvu

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by Marcus I. Goldman. Published 1916 by The Johns Hopkins press in Baltimore. Thesis (PH. -Johns Hopkins University, 1913. Reprinted from vol. 1 of Upper Cretaceous, pub. by the Maryland geological survey.

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by Marcus Isaac Goldman. Select Format: Hardcover. ISBN13:9781347907351.

tion and justify the establishment of a new suprageneric taxon uppermost part of ‘Level GLE 20’ that is 6–7 m above the basal.

tion and justify the establishment of a new suprageneric taxon. The decision to establish a new subfamily rather than a new fam-. ily was influenced by the lack of more complete remains (. uppermost part of ‘Level GLE 20’ that is 6–7 m above the basal. phosphatic layer of the Polpino Formation and 2–3 m below the. overlying middle Turonian deposit (indicated by thickened por

Petrography and Genesis of the Sediments of the Upper Cretaceous of Maryland," by MARCUS I. Based upon petrographic and"field evidence. The author finds three types of sediment present, (i) delta type, (2) lagoon type, and (3) open-water glauconitic type.

Petrography and Genesis of the Sediments of the Upper Cretaceous of Maryland," by MARCUS I. A brief discussion of the origin of glauconite and the methods of ion is given. III. "The Upper CretaceousFloras of the World,"by E. W. BERRY. No attempt at detailed correlationsof these widely scattered floras is made. A discussion of the place of origin and subsequent migrations of the great dicotyledonousflora,which makes its suddenand dominating.

Contents: The Upper Cretaceous deposits of Maryland, by . Date: 1916 Date: Cretaceous. Physical Description. The petrography and genesis of the sediments of the Upper Cretaceous of Maryland, by . The Upper Cretaceous floras of the world, by . Correlation of the Upper Cretaceous formations, by . Systematic paleontology, Upper Cretaceous, by . Paleontological index.