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Articles 691 - 720 of 1093

Full-Text Articles in Stratigraphy

Nebraska Mineral Operations Review, 1982, Raymond R. Burchett, Duane A. Eversoll Jan 1982

Nebraska Mineral Operations Review, 1982, Raymond R. Burchett, Duane A. Eversoll

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geothermal Resources Of Nebraska, W. D. Gosnold, D. A. Eversoll Jan 1982

Geothermal Resources Of Nebraska, W. D. Gosnold, D. A. Eversoll

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Thickness And Structure Maps Of The Pennsylvanian And Permian Rocks Across Southern Nebraska, R. R. Burchett Jan 1982

Thickness And Structure Maps Of The Pennsylvanian And Permian Rocks Across Southern Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Gravity And Ground Magnetic Investigations In Eastern Nebraska, Robert F. Diffendal Jr., R. R. Burchett Nov 1981

Gravity And Ground Magnetic Investigations In Eastern Nebraska, Robert F. Diffendal Jr., R. R. Burchett

Robert F. Diffendal, Jr., Publications

The purpose of this investigation was to extend the area covered by gravity and ground magnetic data related to the Nemaha Uplift and associated structures in eastern Nebraska. Gravity data were collected from Clay, Fillmore, Hamilton, Nuckolls, Polk, Thayer, and York Counties. Additional ground magnetic data and gravity data were collected for central Otoe County.


Regional Tectonics And Seismicity Of Eastern Nebraska, Annual Report, July 1980–June 1981, R. R. Burchett Nov 1981

Regional Tectonics And Seismicity Of Eastern Nebraska, Annual Report, July 1980–June 1981, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

This annual report presents and interprets the information obtained by the Conservation and Survey Division (Nebraska Geological Survey) during contract year July 1, 1980, to June 30, 1981, under contract NRC-04-76-3l5 with the U.S. Nuclear Regulatory Commission. The information pertains to the geology, structure, tectonics, and seismicity of eastern Nebraska with emphasis on central Otoe County. Some of the information presented here results from a combination of studies begun in earlier years but the greater part results from studies begun during the contract year.

The scope of the studies is summarized as follows:

1. Rock outcrops in Otoe County were …


Gravity And Ground Magnetic Investigations In Eastern Nebraska, Robert F. Diffendal Jr., R. R. Burchett Sep 1981

Gravity And Ground Magnetic Investigations In Eastern Nebraska, Robert F. Diffendal Jr., R. R. Burchett

Robert F. Diffendal, Jr., Publications

The purpose of this investigation was to extend the area covered by gravity and ground magnetic data related to the Nemaha Uplift and associated structures in eastern Nebraska. Gravity data were collected from Butler, Jefferson, Saline, and Seward counties. Additional ground magnetic data and gravity data were collected for eastern Sarpy and northeastern Cass counties in Nebraska and gravity data were collected from parts of Mills and Fremont counties in Iowa.


Regional Tectonics And Seismicity Of Eastern Nebraska, Annual Report, July 1979–June 1980, R. R. Burchett Sep 1981

Regional Tectonics And Seismicity Of Eastern Nebraska, Annual Report, July 1979–June 1980, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

This annual report presents and interprets the information obtained by the Conservation and Survey Division (Nebraska Geological Survey) during contract year July 1, 1979, to June 30, 1980, under contract NRC-04-76-3l5 with the U.S. Nuclear Regulatory Commission. The information pertains to the geology, structure, tectonics, and seismicity of eastern Nebraska with emphasis on the vicinity south of Omaha, Nebraska. Some of the information presented here results from a combination of studies begun in earlier years but the greater part results from studies begun during the contract year.

The scope of the studies is summarized as follows:

1. Rock outcrops in …


Lithologic And Structural Controls On Karst Landforms Of The Mitchell Plain, Indiana, And Pennyroyal Plateau, Kentucky, Frederick Jennings Woodson Aug 1981

Lithologic And Structural Controls On Karst Landforms Of The Mitchell Plain, Indiana, And Pennyroyal Plateau, Kentucky, Frederick Jennings Woodson

All-Inclusive List of Electronic Theses and Dissertations

Karst features in Harrison County, Indiana, and the Mammoth Cave region, Kentucky, are profoundly influenced by lithology and structure. In the Sinkhole Plain two classes of sinkholes, shallow solutional and deeper subsidence, differ in morphology, origin, age, distribution, and density. Distributions of the two kinds of sinkholes reflect the outcrop pattern of specific lithostratigraphic units. Broad shallow dolines (Ste. Genevieve-type sinks) develop on the Horse Cave Member of the St. Louis Limestone and on the Ste. Genevieve, Girkin, and Paoli Limestones. Innumerable steeper-sided subsidence and collapse depressions (St. Louis-type sinkholes) form on the Corydon Chert Member, lower St. Louis Limestone, …


Groundwater Levels In Nebraska, 1980, Martin S. Johnson, Darryll T. Pederson Jul 1981

Groundwater Levels In Nebraska, 1980, Martin S. Johnson, Darryll T. Pederson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Mineral Operations Review, 1980, D. A. Eversoll, R. R. Burchett May 1981

Nebraska Mineral Operations Review, 1980, D. A. Eversoll, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Development Of Irrigation Well Drilling In Nebraska, Vance Anderson Jan 1981

Development Of Irrigation Well Drilling In Nebraska, Vance Anderson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geology And Groundwater Supplies Of Southern Dawes And Northern Sheridan Counties, Nebraska, Vernon L. Souders Jan 1981

Geology And Groundwater Supplies Of Southern Dawes And Northern Sheridan Counties, Nebraska, Vernon L. Souders

Conservation and Survey Division: Faculty and Staff Publications

The upland plain in southern Dawes and northern Sheridan counties of northwest Nebraska is underlain by rocks of Tertiary age. These rocks overlie those of Cretaceous and Jurassic ages in this region of about 2250 square miles . Strata of Tertiary age are a source of groundwater for most of the irrigation, municipal, stock, and rural-domestic needs of the area.

Nine stratigraphic units of Tertiary.age were defined by examination of test hole samples and logs and by examining electric logs of oil and gas tests, driller's logs of irrigation wells, and outcrops. Stratigraphic correlations are difficult in the area because …


Annual Outflow Of Water From Nebraska, 1950-1980, Conservation Survey Division Jan 1981

Annual Outflow Of Water From Nebraska, 1950-1980, Conservation Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1981 Jan 1981

Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1981

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Reservoir Management Policy Issue Study: A Contract Report For The State Water Planning And Review Process-Nebraska Natural Resources Commission Jan 1981

Groundwater Reservoir Management Policy Issue Study: A Contract Report For The State Water Planning And Review Process-Nebraska Natural Resources Commission

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Climate Of Nebraska, Richard E. Myers Sep 1980

Climate Of Nebraska, Richard E. Myers

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1979, Martin S. Johnson, Darryll T. Pederson Jul 1980

Groundwater Levels In Nebraska, 1979, Martin S. Johnson, Darryll T. Pederson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Tourmaline - A Prospecting Guide For Massive Base-Metal Sulfide Deposits In The Penobscot Bay Area, Maine, John F. Slack Jun 1980

Tourmaline - A Prospecting Guide For Massive Base-Metal Sulfide Deposits In The Penobscot Bay Area, Maine, John F. Slack

Maine Collection

Tourmaline - A Prospecting Guide for Massive Base-Metal Sulfide Deposits in the Penobscot Bay Area, Maine


by John F. Slack, U.S. Geological Survey

Special Economic Studies Series No.8

Maine Geological Survey, Department of Conservation, Augusta, Maine (June, 1980).

Contents: Abstract / Introduction / Geologic Setting / Massive Sulfide Deposits / Tourmaline Occurrences / Tourmaline: A Guide to Ore / Acknowledgements / References Cited




Ash Hollow Historical Park, Robert F. Diffendal Jr. May 1980

Ash Hollow Historical Park, Robert F. Diffendal Jr.

Robert F. Diffendal, Jr., Publications

Ash Hollow Creek is an intermittent stream forming a southern tributary to the North Platte River. The creek flows only in response to precipitation from locally heavy thunderstorms or to heavy runoff from melting snow in the spring. Western Nebraska has a semi-arid climate and receives less than 20 inches of rainfall per year. Vegetation in the park and surrounding area is typical of the short grass prairie of the Great Plains. Native short grasses grow abundantly on undisturbed tablelands, valley sides, and along principal flood plains of streams and rivers. Prickly pear, barrel cactus, yucca and sagebrush are common …


Configuration Of The Base Of The Principal Aquifer, Conservation And Survey Division, University Of Nebraska-Lincoln Jan 1980

Configuration Of The Base Of The Principal Aquifer, Conservation And Survey Division, University Of Nebraska-Lincoln

Conservation and Survey Division: Faculty and Staff Publications

Conservation and Survey Division. Configuration of the Base of the Principal Aquifer. Map. No Scale. Base Principal Aquifer, 1980 Series. Lincoln: Conservation and Survey Division, University of Nebraska. Print. (date unknown, 1980?)


Collecting In Nebraska's Cretaceous Strata, H. M. Degraw, R. K. Pabian Jan 1980

Collecting In Nebraska's Cretaceous Strata, H. M. Degraw, R. K. Pabian

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


The Process And Criteria For Siting Of Hazardous Waste Disposal Facilities In Nebraska, Conservation And Survey Division Jan 1980

The Process And Criteria For Siting Of Hazardous Waste Disposal Facilities In Nebraska, Conservation And Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Ash Hollow Historical Park, Robert F. Diffendal Jr. Jan 1980

Ash Hollow Historical Park, Robert F. Diffendal Jr.

Conservation and Survey Division: Faculty and Staff Publications

About Ash Hollow Historical Park in Nebraska (United States).


Collecting In Western Nebraska's Cenozoic Strata, J. B. Swinehart Jan 1980

Collecting In Western Nebraska's Cenozoic Strata, J. B. Swinehart

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Annual Departures From Average Annual Precipitation In Nebraska, 1850-1979, Conservation Survey Division Jan 1980

Annual Departures From Average Annual Precipitation In Nebraska, 1850-1979, Conservation Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1979, Martin S. Johnson, Darryll T. Pederson Jan 1980

Groundwater Levels In Nebraska, 1979, Martin S. Johnson, Darryll T. Pederson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Mineral Operations Review, 1979, Raymond R. Burchett, Duane A. Eversoll Jan 1980

Nebraska Mineral Operations Review, 1979, Raymond R. Burchett, Duane A. Eversoll

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1980 Jan 1980

Nebraska Groundwater Level (Decline & Rise) And Location Of Registered Wells, 1980

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska County Map Jan 1980

Nebraska County Map

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geology And Groundwater Supplies Of Box Butte County, Nebraska, 1979, V. L. Souders, F. A. Smith, J. B. Swinehart Jan 1980

Geology And Groundwater Supplies Of Box Butte County, Nebraska, 1979, V. L. Souders, F. A. Smith, J. B. Swinehart

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.