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Sedimentology

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Articles 841 - 870 of 1227

Full-Text Articles in Geomorphology

Geology Tour Of Lancaster County, Nebraska, Conservation Survey Division Jan 1974

Geology Tour Of Lancaster County, Nebraska, Conservation Survey Division

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Groundwater Level (Decline & Rise), 1974 Jan 1974

Nebraska Groundwater Level (Decline & Rise), 1974

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1974 Jan 1974

Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1974

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Location Of Registered Irrigation Wells In Nebraska As Of 1974 Jan 1974

Location Of Registered Irrigation Wells In Nebraska As Of 1974

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Inventory Of Mining Operations In Nebraska, R. R. Burchett, Duane A. Eversoll Jan 1974

Inventory Of Mining Operations In Nebraska, R. R. Burchett, Duane A. Eversoll

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Predicted Water-Level Declines For Alternative Groundwater Developments In The Upper Big Blue River Basin, Nebraska, P. W. Huntoon Jan 1974

Predicted Water-Level Declines For Alternative Groundwater Developments In The Upper Big Blue River Basin, Nebraska, P. W. Huntoon

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Guidebook To The 1974 Spring Field Trip Of The Nebraska Geological Society, G.R. Svoboda Jan 1974

Guidebook To The 1974 Spring Field Trip Of The Nebraska Geological Society, G.R. Svoboda

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Spotlight On Mineral Stamps, R. R. Burchett Jan 1974

Spotlight On Mineral Stamps, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Geology Tour Of Lancaster County, Nebraska Jan 1974

Geology Tour Of Lancaster County, Nebraska

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Selenium In Nebraska's Groundwater And Streams, R.A. Engberg Dec 1973

Selenium In Nebraska's Groundwater And Streams, R.A. Engberg

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1972, M.J. Ellis May 1973

Groundwater Levels In Nebraska, 1972, M.J. Ellis

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


The Pierre-Niobrara Unconformity In Western Nebraska, Harold M. Degraw Jan 1973

The Pierre-Niobrara Unconformity In Western Nebraska, Harold M. Degraw

Conservation and Survey Division: Faculty and Staff Publications

The Pierre-Niobrara unconformity, one of several significant unconformities in the Cretaceous System of the Western Interior region, has not generally been recognized. Detailed correlation of electric logs of a large number of wells in western Nebraska provides evidence of its existence. Isopach maps of the beds occupying three identifiable stratigraphic intervals - a redefined Niobrara Formation, an unnamed uppermost Niobrara unit, and an unnamed basal Pierre unit, which includes the Ardmore Bentonite - provide recognizable geologic patterns that permit reconstruction of the stages of development of the unconformity. The upper part of the Niobrara Formation has been truncated in several …


Water Resources Data For Nebraska Part 2-Water Quality Records Jan 1973

Water Resources Data For Nebraska Part 2-Water Quality Records

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Topographic Regions Map Jan 1973

Topographic Regions Map

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1973 Jan 1973

Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1973

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Nebraska Groundwater Level (Decline & Rise), 1973 Jan 1973

Nebraska Groundwater Level (Decline & Rise), 1973

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Evaluation Of Nitrate Content Of Ground Water In Hall County, Nebraska, Rauf Piskin Jan 1973

Evaluation Of Nitrate Content Of Ground Water In Hall County, Nebraska, Rauf Piskin

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


The Geology Of The Pittsburg Landing Area, Snake River Canyon, Oregon-Idaho, David L. White Aug 1972

The Geology Of The Pittsburg Landing Area, Snake River Canyon, Oregon-Idaho, David L. White

All-Inclusive List of Electronic Theses and Dissertations

The major purpose of the study was to map, describe, and correlate the pre-Tertiary rocks. Accessible and excellent exposures at Pittsburg Landing enabled the writer to make a somewhat detailed study of the stratigraphy. The thesis area also offered an opportunity to study in a reconnaissance manner, the Tertiary Columbia River Basalt as described by Waters, and more recently y Ozier.


Sediment-Topography Relationships In The Inner Nearshore Zone, Southeastern Lake Michigan, Robert David Lopiccolo Aug 1972

Sediment-Topography Relationships In The Inner Nearshore Zone, Southeastern Lake Michigan, Robert David Lopiccolo

Masters Theses

No abstract provided.


A New Species Of Menoceras From The Marsland Formation Of Nebraska, Lloyd G. Tanner Jul 1972

A New Species Of Menoceras From The Marsland Formation Of Nebraska, Lloyd G. Tanner

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

Further study indicates that the Menoceras remains collected from the "Bridgeport Quarries" (lower port:on or the Marsland Formation, Middle Miocene, of the Hemingford Group) are of a new species.

In 1962, these dicerathere remains were considered to be a geologic variety of Diceratherium niobrarensis (Stecher, Schultz, and Tanner). However, later (Tanner, 1969) a generic distinction was revived, separating the Menoceras Troxell from Diceratherium Marsh. Diceretherium niobrarensis was then placed in synonymy with Menoceras arikarense (Barbour).

The new species is an intermediate between Menoceras arikarense (Barbour) from the Harrison Formation and Menoceras marslandensis Tanner, from the upper portion of the Marsland …


Two Lynx-Like Cats From The Pliocene And Pleistocene, C. Bertrand Schultz, Larry D. Martin Jul 1972

Two Lynx-Like Cats From The Pliocene And Pleistocene, C. Bertrand Schultz, Larry D. Martin

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

A new species (Lynx stouti) of small felid is described from the lower Pliocene of Colorado. This form has several characters in common with the modern Lynx and may be ancestral to that genus. A new subspecies of Lynx issiodorensis Croizet and Jobert is described as L. i. kurteni from the Mullen Assemblage, Cherry County, Nebraska. The relationships of this form to other lynxes are discussed along with the paleo-distribution of the genus.

The classification of the felinae has always been somewhat controversial, especially at the generic level. One fairly homogenous group of cats which has been separated …


Phyletic Trends In Certain Lineages Of Quaternary Mammals, C. Bertrand Schultz, Lloyd G. Tanner, Lary D. Martin Jun 1972

Phyletic Trends In Certain Lineages Of Quaternary Mammals, C. Bertrand Schultz, Lloyd G. Tanner, Lary D. Martin

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

Evolutionary trends in certain carnivores, rodents, bovids, and proboscideans are examined. Chronoclines are demonstrated for muskrats, beavers, mammoths, and bison. The Pliocene-Pleistocene boundary and Quaternary climatic fluctuations are also discussed.

The University of Nebraska State Museum contains a large stratigraphically controlled collection of Pleistocene animals. This collection provides a unique opportunity for the study of phyletic trends in certain lineages of mammals. Although a few phylogenetic lineages have been proposed (Schultz and Frankforter, 1946; Hibbard, et al., 1965), this has not been done for the vast majority of Pleistocene mammals. However, there is much more data available than this would …


The Microtine Rodents Of The Mullen Assemblage From The Pleistocene Of North Central Nebraska, Larry D. Martin May 1972

The Microtine Rodents Of The Mullen Assemblage From The Pleistocene Of North Central Nebraska, Larry D. Martin

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

The University of Nebraska State Museum has had an active collecting program in Hooker and Cherry counties, Nebraska, since the 1930's. The following University of Nebraska State Museum collecting localities have been extensively excavated: Cr-10, Cr-102, Cr-11, Ho-101, Ho-102, and Ho-103. These localities have produced a large vertebrate fauna described by Jakway as the Mullen Local Fauna which he considered for the most part to be Early lllinoian. Further study of this local fauna now demonstrates that assemblage does include Early as well as Middle Pleistocene animals. The purpose of this paper is to report on the evidence regarding the …


Use Of Groundwater For Irrigation In Clay County, Nebraska, 1970, Eugene K. Steele Jr. May 1972

Use Of Groundwater For Irrigation In Clay County, Nebraska, 1970, Eugene K. Steele Jr.

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Groundwater Levels In Nebraska, 1971, C.F. Keech May 1972

Groundwater Levels In Nebraska, 1971, C.F. Keech

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Availability And Use Of Water In Nebraska, 1970, F. Butler Shaffer Mar 1972

Availability And Use Of Water In Nebraska, 1970, F. Butler Shaffer

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Upper Pennsylvanian Shoreline Deposits Form Iowa And Nebraska: Their Recognition, Variation, And Significance, J. A. Fagerstrom, R. R. Burchett Feb 1972

Upper Pennsylvanian Shoreline Deposits Form Iowa And Nebraska: Their Recognition, Variation, And Significance, J. A. Fagerstrom, R. R. Burchett

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1972 Jan 1972

Total Number Of Irrigation Wells Located In Nebraska Counties As Of 1972

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Statewide Precipitation And Discharge Of Platte River Above Ashland, Bryce B. Pease Jan 1972

Statewide Precipitation And Discharge Of Platte River Above Ashland, Bryce B. Pease

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.


Late Paleozoic Trilobites From Southeastern Nebraska, R. K. Pabian, J. A. Fagerstrom Jan 1972

Late Paleozoic Trilobites From Southeastern Nebraska, R. K. Pabian, J. A. Fagerstrom

Conservation and Survey Division: Faculty and Staff Publications

No abstract provided.