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Articles 1231 - 1260 of 1925

Full-Text Articles in Sedimentology

Nemaha County Test Hole Logs, Raymond R. Burchett, Frank A. Smith Jan 1989

Nemaha County Test Hole Logs, Raymond R. Burchett, Frank A. Smith

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Natural Resources District Boundaries, Nebraska Natural Resources Commission Jan 1989

Nebraska Natural Resources District Boundaries, Nebraska Natural Resources Commission

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Natural Resources District Boundaries, Nebraska Department Of Natural Resources Jan 1989

Nebraska Natural Resources District Boundaries, Nebraska Department Of Natural Resources

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Sediment Dynamics On The Shore Slopes Of The Puget Island Reach Of The Columbia River, Oregon And Washington, Timothy Abbe Jan 1989

Sediment Dynamics On The Shore Slopes Of The Puget Island Reach Of The Columbia River, Oregon And Washington, Timothy Abbe

Dissertations and Theses

Water waves generated by wind and ships; ebb tidal currents; water level fluctuations; and dredging impact sediment transport in shallow water of the lower Columbia River. Observations were made over a one-year period after sand dredged from the navigation channel was placed at three study sites in the Puget Island region, 46°15'N 123°25'W, Oregon and Washington. Sediment composition is fine to medium grained, low density dacitic volcanics with small percentages of pumice, heavy minerals, and basalt.


Nutrient Cycling In Bordenstake Bay Sediments: A Backbarrier Lagoon, Mark J. Herrenkohl Oct 1988

Nutrient Cycling In Bordenstake Bay Sediments: A Backbarrier Lagoon, Mark J. Herrenkohl

OES Theses and Dissertations

Six sets of sediment cores were collected over a one year period (June 1986 to July 1987) to examine nutrient cycling in Bordenstake Bay, a back barrier lagoon on Virginia's Eastern Shore Peninsula. The sampling times were chosen to examine any seasonal effects (e.g., temperature changes) which may affect the rates of metabolism in these sediments.

The sedimentation rate in Bordenstake Bay is 0.76 ± 0.21 cm/yr, leading to the annual deposition of 7. 05 moles of carbon, 0.46 moles of nitrogen, and 0.15 moles of phosphorus, per square meter of the sediment surface. The remineralization of organic matter in …


Groundwater Levels In Nebraska, 1987, Michael J. Ellis, Perry B. Wigley Jul 1988

Groundwater Levels In Nebraska, 1987, Michael J. Ellis, Perry B. Wigley

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


A Guide To The Practical Use Of Aerial Color-Infrared Photography In Agriculture, Donald C. Rundquist, Scott A. Samson Jun 1988

A Guide To The Practical Use Of Aerial Color-Infrared Photography In Agriculture, Donald C. Rundquist, Scott A. Samson

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Estimated Use Of Water In Nebraska, 1985, Eugene K. Steele Jr. Jun 1988

Estimated Use Of Water In Nebraska, 1985, Eugene K. Steele Jr.

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Hydrogeology Of Garfield And Wheeler Counties, Nebraska, Dennis R. Lawton, Robert A. Hiergesell Feb 1988

Hydrogeology Of Garfield And Wheeler Counties, Nebraska, Dennis R. Lawton, Robert A. Hiergesell

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Contributions To The Quaternary Geology Of Northern Maine And Adjacent Canada, J. Steven Kite (Ed.), Thomas V. Lowell (Ed.), Woodrow B. Thompson (Ed.) Jan 1988

Contributions To The Quaternary Geology Of Northern Maine And Adjacent Canada, J. Steven Kite (Ed.), Thomas V. Lowell (Ed.), Woodrow B. Thompson (Ed.)

Maine Collection

Contributions to the Quaternary Geology of Northern Maine and Adjacent Canada

Bulletin 37 - Maine Geological Survey, Department of Conservation,

Augusta, Maine 04333 (1988).

Contents: Introduction / A GEOMORPHIC METHOD FOR RECONSTRUCTING PALEO ICE SHEETS, Part I: GLACIAL GEOLOGY. - T. Hughes and J. Fastook / A GEOMORPHIC METHOD FOR RECONSTRUCTING PALEO ICE SHEETS, Part II: GLACIOLOGY. - J. Fastook and T. Hughes / TILL STRATIGRAPHY AT THE BALD MOUNTAIN MINE SITE, NORTHERN MAINE - W. R. Holland and F. F. Bragdon / GLACIAL DISPERSAL FROM THE PRIESTLY LAKE AND DEBOULLIE PLUTONS, NORTHERN MAINE - E. F. Halter / GLACIATION …


Branched Oak Lake State Recreation Area Jan 1988

Branched Oak Lake State Recreation Area

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


A Monograph Of The Genus Polyphylla Harris In America North Of Mexico (Coleoptera: Scarabaeidae: Melolonthinae), Ronald M. Young Jan 1988

A Monograph Of The Genus Polyphylla Harris In America North Of Mexico (Coleoptera: Scarabaeidae: Melolonthinae), Ronald M. Young

Bulletin of the University of Nebraska State Museum (1924–2023)

The North American species of the genus Polyphylla Harris, 1841, are defined and revised for the first time since Fall (1928). All name bearing types were examined except those of P. oklahomensis Hatch and P. subvittata LeConte (synonyms of P. hammondl), which are lost. A lectotype is designated for P. gracilis Horn, and neotypes for P. decemlineata (Say), P. occidentalis (L.), and P. variolosa (Hentz). New synonyms of P. decemlineata are P. comstockiana von Bloeker, P. matrona Casey, and P. potsiana Casey. New synonyms of P. crinita …


Resource Notes-Fall/Winter 1987-88 Jan 1988

Resource Notes-Fall/Winter 1987-88

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Hydrothermal Fluids And Petroleum In Surface Sediments Of Guaymas Basin, Gulf Of California: A Case Study, J. M. Gieskes, B. R. Simoneit, T. Brown, Timothy J. Shaw, Y. C. Wang, A. Magenheim Jan 1988

Hydrothermal Fluids And Petroleum In Surface Sediments Of Guaymas Basin, Gulf Of California: A Case Study, J. M. Gieskes, B. R. Simoneit, T. Brown, Timothy J. Shaw, Y. C. Wang, A. Magenheim

Faculty Publications

No abstract provided.


Mineral Yearbook Of Nebraska-1988, Leon E. Esparza, Raymond R. Burchett Jan 1988

Mineral Yearbook Of Nebraska-1988, Leon E. Esparza, Raymond R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Saturated Thickness Of The Principal Groundwater Reservoir In Nebraska, Conservation And Survey Division Jan 1988

Saturated Thickness Of The Principal Groundwater Reservoir In Nebraska, Conservation And Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1987, Michael J. Ellis, Perry B. Wigley Jan 1988

Groundwater Levels In Nebraska, 1987, Michael J. Ellis, Perry B. Wigley

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Mineral Operations Review, 1987, Raymond R. Burchett Jan 1988

Nebraska Mineral Operations Review, 1987, Raymond R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Resourceful Scenes From Past And Present, Roger K. Pabian Jan 1988

Resourceful Scenes From Past And Present, Roger K. Pabian

Conservation and Survey Division: Faculty and Staff Publications

These sites represent significant, interesting or unique occurrences of geologically related natural resources in the state. An extensive explanation of the fifty-seven items notated on the map is included.


General Soil Map Of Nebraska, Mark S. Kuzila, Ann M. Mack, J.R. Culver, Steven J. Schaefer Jan 1988

General Soil Map Of Nebraska, Mark S. Kuzila, Ann M. Mack, J.R. Culver, Steven J. Schaefer

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Annual Installation Of Irrigation Wells In Nebraska Through 1988, Conservation Survey Division Jan 1988

Annual Installation Of Irrigation Wells In Nebraska Through 1988, 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 1986)/Registered Irrigation Wells In Nebraska (As Of January 1, 1987), Conservation Survey Division, U.S. Geological Survey Jan 1988

Significant Rises And Declines In Nebraska Groundwater Levels (From Pre-Development As Of Fall 1986)/Registered Irrigation Wells In Nebraska (As Of January 1, 1987), Conservation Survey Division, U.S. Geological Survey

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Discrimination Of Subparallel Beach Ridges Using Detrital Ilmenite Composition And Fourier Shape Analysis, Allen E. Evans Jr. Oct 1987

Discrimination Of Subparallel Beach Ridges Using Detrital Ilmenite Composition And Fourier Shape Analysis, Allen E. Evans Jr.

OES Theses and Dissertations

Elemental composition (Fe, Ti, Mn, Mg, V, Cu, Ni, Zn, and Cr) and Fourier shape analysis of magnetically separated detrital ilmenite from seven Pleistocene and modern beach sand deposits of the Southeastern Virginia Coastal Plain were used to distinguish each deposit. Geomorphic expression, crosscutting relationships and proximity to the present shoreline differentiates the relative age of the seven sampled beach deposits. Analysis of ilmenite elemental composition, independent of geomorphic expression, distinguished beach sands of

different age and was successful in determining that each beach contained ilmenite similar in composition. Of the seven beach ridges tested, subtle yet significant differences in …


Groundwater Levels In Nebraska, 1986, Michael J. Ellis, Vincent H. Dreeszen Jul 1987

Groundwater Levels In Nebraska, 1986, Michael J. Ellis, Vincent H. Dreeszen

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geology Of Selected Sites Near The Republican River In Franklin County, Nebraska, Roger K. Pabian Jul 1987

Geology Of Selected Sites Near The Republican River In Franklin County, Nebraska, Roger K. Pabian

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Lacustrine Deltaic Deposits Of The Sandstone Tongue Of The Wasatch Formation, Fossil Basin, Wyoming, F. Steve Petersen Jun 1987

Lacustrine Deltaic Deposits Of The Sandstone Tongue Of The Wasatch Formation, Fossil Basin, Wyoming, F. Steve Petersen

Loma Linda University Electronic Theses, Dissertations & Projects

Sedimentary structures and facies relations of the sandstone tongue of the Wasatch Formation in Fossil Basin, Wyoming are interpreted as indicative of a rapidly prograding bird's foot delta. Two upward coarsening siliciclastic sequences that contain bottomset, foreset, and topset beds were studied over an area of approximately 400 square kilometers. Vertical and lateral sedimentary changes within this sequence were documented by the measurement and study of over 35 stratigraphic sections. High and low angle cross-bedded sandstone units within the siliciclastic sequences thicken northward significantly before rapidly thinning and grading into the lacustrine Green River Formation. Field observations. lateral correlation of …


Paleoenvironments Of The Eocene Green River Formation (Laney Member) In The Anvil Wash Area, Southwestern Wyoming, M. Elaine Graham-Kennedy Jun 1987

Paleoenvironments Of The Eocene Green River Formation (Laney Member) In The Anvil Wash Area, Southwestern Wyoming, M. Elaine Graham-Kennedy

Loma Linda University Electronic Theses, Dissertations & Projects

The study of abundant conchostracans in the Laney Member of the Green River Formation, Wyoming, has contributed to the resolution of the controversy over the depositional environment of finely laminated sediments. Conchostracans that typically live in ephemeral pools, pulmonate gastropods that require oxygenated water and freshwater ostracods indicate deposition of finely laminated sediments in a well oxygenated, shallow, freshwater lake. Mineralogical evidence indicating that Lake Gosiute was primarily fresh during deposition of the upper portion of the Laney Member includes predominance of calcite over dolomite and the clay composition of diagenetically altered tuffs. The minor amount of dolomite is detrital …


Lithologic Controls On Karst Groundwater Flow, Lost River Groundwater Basin, Warren County, Kentucky, Christopher Groves Jan 1987

Lithologic Controls On Karst Groundwater Flow, Lost River Groundwater Basin, Warren County, Kentucky, Christopher Groves

Masters Theses & Specialist Projects

The Lost River Groundwater Drainage Basin in Warren County, Kentucky, is a karst drainage system encompassing 55 square miles (143 square kilometers) developed within the Mississippian St. Louis and Ste. Genevieve Limestones. Near the contact between these two formations are two bedded chert units, the Lost River Chert Bed (Elrod, 1899) within the Ste. Genevieve and the Corydon Chert Member (Woodson, 1983) of the St. Louis, which appear to be perching layers to shallow karst groundwater flow. Groundwater may be seen flowing on top of these beds in various cave streams and at swallets and springs throughout the basin.

In …


Late Cenozoic Geology Along The Summit To Museum Hiking Trail, Scotts Bluff National Monument, Western Nebraska, J. B. Swinehart, D. B. Loope Jan 1987

Late Cenozoic Geology Along The Summit To Museum Hiking Trail, Scotts Bluff National Monument, Western Nebraska, J. B. Swinehart, D. B. Loope

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


A Hydrogeologic Study Of The Local Groundwater Flow System At Osmond, Ne, Jonathan Alix Jan 1987

A Hydrogeologic Study Of The Local Groundwater Flow System At Osmond, Ne, Jonathan Alix

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.