Format:
III Seiten, 2 ungezählte Seiten, A10 Setien, 2 ungezählte Seiten, B16 Seiten, 2 ungezählte Seiten, C6 Seiten
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Illustrationen, Diagramme
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1 gefaltetes Blatt
Series Statement:
U.S. Geological Survey bulletin 2113
Note:
Includes bibliographical references
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Die Vorlage enth. insgesamt 3 Werke
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A. Conglomerate facies and contact relationships of the Upper Creaceous upper part of the Frontier Formation and lower part of the Beaverhead Group, Lima Peaks area, southwestern Montana and southeastern Idaho
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B. U-Pb ages of volcanogenic zircon from porcellanite beds in the Vaughn Member of the mid-Cretaceous Blackleaf Formation, southwestern Montana
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C. Occurences of the free-swimming Upper Cretaceous crinoids Uintacrinus and Marsupites in the western interior of the United States
Language:
English
Keywords:
USA
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Oberkreide
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Stratigraphie
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Geochronologie
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Montana
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Oberkreide
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Stratigraphie
;
Geochronologie
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