Earth Sciences Commons^™

Biological Markers In Lower Jurassic Synrift Lacustrine Black Shales, Hartford Basin, Connecticut, U.S.A., Michael A. Kruge, John F. Hubert, Jay F. Akes, Paul E. Meriney

Department of Earth and Environmental Studies Faculty Scholarship and Creative Works

The East Berlin Formation (Lower Jurassic, Hartford basin, Connecticut, U.S.A.) is distinctive for its six cyclic units of lacustrine black shale and gray mudstone. separated by playa and fluvial redbeds. The black shales arc each about a meter thick and were deposited in subtropical, thermally stratified, oligomictic lakes, the youngest of which (lakes 3 through 6) were large enough to flood most of the basin and attained depths of several tens of meters.

The saturate fractions of solvent extracts of organic-rich black shales from each of the six lakes, collected at fresh roadcuts near East Berlin, arc dominated by extended …

Organic Geochemistry Of A Lower Jurassic Synrift Lacustrine Sequence, Hartford Basin, Connecticut, U.S.A., Michael A. Kruge, John F. Hubert, David F. Bensley, John C. Crelling, R Jay Akes, Paul E. Meriney

Department of Earth and Environmental Studies Faculty Scholarship and Creative Works

Synrift terrestrial strata of the Lower Jurassic East Berlin Formation (Hartford basin, Connecticut, U.S.A.) record cyclical expansion and contraction of major lakes, six of which were deep enough to develop anoxic bottom waters. We have studied one representative lacustrine sequence in detail, sampling a new roadcut near the village of East Berlin. The section examined is 4 m thick, with a gray siltstone at the base, deposited in shallow water, overlain by an organic-rich black shale (deep water), succeeded in turn by another gray siltstone, deposited as the lake waters gradually receded. The upper gray siltstone is chemically distinct from …

Earthquakes In Nebraska, Second Edition (Expanded), R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

An earthquake is the result of an adjustment of the surface of the earth caused by a release of energy in the earth's crust. Faulting is one of many causes of earthquakes.

Annual Departures From Average Annual Precipitation In Nebraska, 1850-1989, Conservation And Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Location Of Registered Irrigation Wells In Nebraska As Of 1990.

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Volcanic Ash Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Topographic Maps, 7.5-Minute Series, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Soil And Lithostratigraphy Below The Loveland/Sicily Island Silt, Crowley's Ridge, Arkansas, Donna Porter, Sam Bishop

Journal of the Arkansas Academy of Science

Two stratigraphic units between the Loveland/Sicily Island Silt and the Pliocene sand and gravel on Crowley's Ridge were analyzed to determine their origin and assess the degree of pedogenic development. The Crowley's Ridge Loess, the upper unit, was up to 2.6 m thick, was not laterally continuous, and contained a well developed paleosol. The lower unit was a several meter thick sandy facies of the Pliocene sand and gravel which contained a weak paleosol. Particle size analysis revealed that the upper unit exhibited texture similar to the overlying loess units, with unimodal silt comprising greater than 95% of the clay-free …

Nebraska Natural Resource District Boundaries

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Nebraska Map Of Counties, Conservation Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Annual Report Of Nebraska-1990, Karl E. Starch, Raymond R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Groundwater Levels In Nebraska, 1989, Michael J. Ellis, Gregory V. Steele, Perry B. Wigley

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Diatomaceous Earth Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Gypsum Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Limestone Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Topographic Maps, 1 X 2 Degree Series, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Drying Out Wet Basements, Mark S. Kuzila

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Annual Departures From Average Annual Precipitation In Nebraska, 1850-1989, Conservation Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Significant Rises And Declines In Nebraska Groundwater Levels (From Pre-Development As Of Fall 1989)/Registered Irrigation Wells In Nebraska (As Of January 1, 1990), Mark Burbach

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Significant Rises And Declines In Nebraska Groundwater Levels (From Pre-Development As Of Fall 1988) /Registered Irrigation Wells In Nebraska (As Of January 1, 1989), Conservation Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Nebraska Mineral Operations Review, 1989, Raymond R. Burchett, Duane A. Eversoll

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Resource Notes-Academic Year 1989-90

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

The Permian System In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Potash Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Quartzite Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Salt Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Sand And Gravel Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Sandstone Deposits In Nebraska, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Significant Rises And Declines In Nebraska Groundwater Levels (From Pre-Development As Of Fall 1989)/Registered Irrigation Wells In Nebraska (As Of January 1, 1990), Mark Burbach

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.

Water Quality In The Lower Platte River Basin With Emphasis On Agrichemicals, R. R. Spalding

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.