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Articles 1 - 14 of 14
Full-Text Articles in Stratigraphy
Megaclasts In Alluvial Fills From The Ogallala Group (Miocene), Banner, Kimball, And Morrill Counties, Nebraska, Robert F. Diffendal Jr.
Megaclasts In Alluvial Fills From The Ogallala Group (Miocene), Banner, Kimball, And Morrill Counties, Nebraska, Robert F. Diffendal Jr.
Robert F. Diffendal, Jr., Publications
Locally derived blocks and boulders (megaclasts) occur in conglomerate and in sand and gravel fills of channels in the Ogallala Group (Miocene) at localities in Banner, Kimball, and Morrill counties in western Nebraska. Some of the megaclasts are up to one or more orders of magnitude larger than the largest distantly derived grains in the sediments surrounding them. A number of these megaclasts probably moved downslope by mass wasting from outcrop sites on paleovalley sides and were later transported by running water. Other blocks and boulders were eroded by streams from bedrock along channel sides and then were transported by …
Hydrogeology Of Butler County, Nebraska, Marilyn H. Ginsberg
Hydrogeology Of Butler County, Nebraska, Marilyn H. Ginsberg
Conservation and Survey Division
No abstract provided.
Policy Issue Study On Supplemental Water Supplies, Clinton Vonseggern, Bob Kuzelka
Policy Issue Study On Supplemental Water Supplies, Clinton Vonseggern, Bob Kuzelka
Conservation and Survey Division
No abstract provided.
Multiple Glaciations Of The Cordon Del Plata, Mendoza, Argentina [Glaciaciones Multiples Del Cordon Del Plata, Mendoza, Argentina], William J. Wayne, Arturo E. Corte
Multiple Glaciations Of The Cordon Del Plata, Mendoza, Argentina [Glaciaciones Multiples Del Cordon Del Plata, Mendoza, Argentina], William J. Wayne, Arturo E. Corte
Department of Earth and Atmospheric Sciences: Faculty Publications
Evidence exists for four glaciations in the Río Blanco basin west of Mendoza, Argentina. Morphology, superposition of tills, soil-profile development, loess thickness, and boulder weathering have been the techniques most useful in mapping the tills. Glaciers of Vallecitos (= Wisconsinan) age extended to 2600 m and left distinctive moraines. Tills of two preVallecitos glacier advances cover the floor of the valley from 2600 m to below 2100 m, and remnants of one of the tills extend nearly to the junction with Río Mendoza (1400 m) 13 km below the lowest Vallecitos moraines. These deposits were considered to be mudflows rather …
Stratigraphy And Structure Of The Miocene "Esmeralda" Formation In Stewart Valley, Mineral County, Nevada, Benjamin L. Clausen
Stratigraphy And Structure Of The Miocene "Esmeralda" Formation In Stewart Valley, Mineral County, Nevada, Benjamin L. Clausen
Loma Linda University Electronic Theses, Dissertations & Projects
The Miocene rocks of Stewart Valley, eastern Mineral County, Nevada, consist of volcanic flows and breccias and fluvio-lacustrine sedimentary rocks. They are called the Esmeralda Formation because they contain lithologies similar to those of the Esmeralda type section 100km south; however, the rocks in Stewart Valley were probably deposited in a separate local basin. The lower part of this formation contains small lacustrine claystone deposits (unit 1) that interfinger with volcanic breccias and flows (unit 2). The main fluvio-lacustrine sequence is above the flows and·is divided by the author into five units based on lithology: sandstone and claystone in unit …
Groundwater Levels In Nebraska, 1982, Martin S. Johnson, Darryll T. Pederson
Groundwater Levels In Nebraska, 1982, Martin S. Johnson, Darryll T. Pederson
Conservation and Survey Division
No abstract provided.
An Irvingtonian Fauna From The Oldest Quaternary Alluvium In Eastern Pumpkin Creek Valley, Morrill And Banner Counties, Nebraska, R. George Corner, Robert F. Diffendal Jr.
An Irvingtonian Fauna From The Oldest Quaternary Alluvium In Eastern Pumpkin Creek Valley, Morrill And Banner Counties, Nebraska, R. George Corner, Robert F. Diffendal Jr.
Robert F. Diffendal, Jr., Publications
Vertebrate fossils of Mammuthus meridionalis (Nesti) and Equus sp. cf. E. scotti Gidley occur at two sites in the capping alluvium of the highest strath terrace along the south side of Pumpkin Creek Valley, Nebraska. The presence of these two species supports the conclusion that the age of the capping sediments is probably early Irvingtonian (early Pleistocene).
Bibliography Of Nebraska Geology, 1843-1976, John H. Sandy, Jay Fussell
Bibliography Of Nebraska Geology, 1843-1976, John H. Sandy, Jay Fussell
Conservation and Survey Division
Preface
The computer brightened the 1970s considerably by giving researchers a tool for storing, retrieving and manipulating electronically sizable blocks of literary material on a single subject. which would otherwise have cost researchers years of scholarly investigation to bring together. It was in such a propitious moment mat we set out to assemble this state bibliography as an aid to scholars, researchers. scientists, teachers, writers, editors, and decision makers in the earth sciences, universities, and all levels of government.
As we collected, compiled, and checked citations for this bibliography, we relied heavily on the following standard sources that have indexed …
An Inventory Of Public, Industry, And Power-Generating Water Use In Nebraska, 1979 And 1980, Dennis R. Lawton, Cynthia L. Veys, Owen Goodenkauf
An Inventory Of Public, Industry, And Power-Generating Water Use In Nebraska, 1979 And 1980, Dennis R. Lawton, Cynthia L. Veys, Owen Goodenkauf
Conservation and Survey Division
No abstract provided.
Supplemental Water Supplies Policy Issue Study: A Contract Report For The State Water Planning And Review Process-Nebraska Natural Resources Commission.
Conservation and Survey Division
No abstract provided.
Annual Departures From Average Annual Precipitation In Nebraska, 1850-1982, Conservation And Survey Division
Annual Departures From Average Annual Precipitation In Nebraska, 1850-1982, Conservation And Survey Division
Conservation and Survey Division
No abstract provided.
Nebraska Mineral Operations Review, 1982, Raymond R. Burchett, Duane A. Eversoll
Nebraska Mineral Operations Review, 1982, Raymond R. Burchett, Duane A. Eversoll
Conservation and Survey Division
No abstract provided.
Annual Departures From Average Annual Precipitation In Nebraska, 1850-1982, Conservation Survey Division
Annual Departures From Average Annual Precipitation In Nebraska, 1850-1982, Conservation Survey Division
Conservation and Survey Division
No abstract provided.
Asymmetrical Distribution Of Quaternary Alluvial Fills, Pumpkin Creek Drainage Basin, Western Nebraska, Robert F. Diffendal Jr., R. George Corner
Asymmetrical Distribution Of Quaternary Alluvial Fills, Pumpkin Creek Drainage Basin, Western Nebraska, Robert F. Diffendal Jr., R. George Corner
Robert F. Diffendal, Jr., Publications
A remnant alluvial fill of early Pleistocene age exposed in Pumpkin Creek Valley, Banner and Morrill counties, Nebraska, has yielded fossils of Mammuthus meridionalis (Nesti) and Equus sp. cf. E. scotti Gidley. Younger fill remnants of trunk and tributary streams allow a refinement of earlier views on the development of the Pumpkin Creek drainage basin during the Quaternary Period. Ancestral Pumpkin Creek both shifted to the north and entrenched its valley several times during the Quaternary Period leaving alluvial fills at three levels or more south of the present creek. Piracy of the headwaters of ancestral Pumpkin Creek took …