Geologic Framework of the Niobrara River Drainage Basin and Adjacent Areas in South Dakota Generally East of the 100th Meridian West Longitude and West of the Missouri River

作者: Robert Francis Diffendal

DOI:

关键词: CenozoicCretaceousLongitudeMesozoicHoloceneGeologic hazardsGeologyPaleontologyGeomorphologySeries (stratigraphy)Structural basin

摘要: . Introduction 1 Pre-Cretaceous Geology ... 2 Mesozoic Erathem-Cretaceous System-Lower Cretaceous Series 5 System-Upper Cenozoic Erathem-Tertiary Eocene to Lower Oligocene Miocene 7 System-Miocene System-Pliocene 8 Erathem-Quaternary System-Pleistocene and Holocene Series...... Possible Evidence of Structures Geologic Hazards in the Area References Cited 9

参考文章(1)
A. L. LUGN, CLASSIFICATION OF THE TERTIARY SYSTEM IN NEBRASKA Geological Society of America Bulletin. ,vol. 50, pp. 1245- 1276 ,(1939) , 10.1130/GSAB-50-1245