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Articles 1531 - 1560 of 2260
Full-Text Articles in Earth Sciences
Volcanic Ash Deposits In Nebraska, R. R. Burchett
Volcanic Ash Deposits In Nebraska, R. R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Origin, Sedimentary Geochemistry, And Correlation Of Middle And Late Ordovician K-Bentonites: Constraints From Melt Inclusions And Zircon Morphology, Carsten Schirnick
Origin, Sedimentary Geochemistry, And Correlation Of Middle And Late Ordovician K-Bentonites: Constraints From Melt Inclusions And Zircon Morphology, Carsten Schirnick
Geology Theses and Dissertations
The present study of Paleozoic K-bentonites demonstrates that the geochemistry of melt inclusions and the morphology of zircons can be studied by inexpensive and simple-to-use methods, which rely on phenocrysts. Constraints are obtained that lead to (a) the origin of these altered volcanic ashes, (b) the geochemistry of ash-to-K-bentonite-alteration, and (c) the reliable correlation of extensively altered volcanic ashes (i.e. K-bentonites).
Silicic melt inclusions (i.e. non-devitrified) have been found in quartz and zircon phenocrysts contained within Ordovician and Devonian K-bentonites from New York State, the Upper Mississippi Valley, and Pennsylvania. Origin, source, and tectonic setting of the volcanism that produced …
Topographic Maps, 7.5-Minute Series, R. R. Burchett
Topographic Maps, 7.5-Minute Series, R. R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska Natural Resource District Boundaries
Nebraska Natural Resource District Boundaries
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Nebraska Map Of Counties, Conservation Survey Division
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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.
35th Annual Midwest Groundwater Conference Program With Abstracts, P. B. Wigley, K. E. Stork, D. C. Gosselin
35th Annual Midwest Groundwater Conference Program With Abstracts, P. B. Wigley, K. E. Stork, D. C. Gosselin
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
Mineral Facts For Nebraska, Raymond R. Burchett
Mineral Facts For Nebraska, Raymond R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
The Fourth Of July Depends Upon Minerals, R. R. Burchett
The Fourth Of July Depends Upon Minerals, R. R. Burchett
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.
A Revision Of The North American Papillose Allocreadiidae (Digenea) With Independent Cladistic Analyses Of Larval And Adult Forms, Janine N. Caira
A Revision Of The North American Papillose Allocreadiidae (Digenea) With Independent Cladistic Analyses Of Larval And Adult Forms, Janine N. Caira
Bulletin of the University of Nebraska State Museum (1924–2023)
Adult specimens of all 19 North American species of papillose allocreadiids were examined. A description and figure is given for the adult of each species; details of the cirrus sacs are presented for most spesies for the first time. Descriptions were emended where necessary and judgments were made on synonymies. Scanning electron micrographs of the oral sucker of 10 species are presented as is a new key to the 19 species. A cladistic analysis was performed on the group based on adult characters. The analysis indicated that the group is monophyletic on the basis of the ventral papillae associated with …
Groundwater Levels In Nebraska, 1988, Michael J. Ellis, Gregory V. Steele, Perry B. Wigley
Groundwater Levels In Nebraska, 1988, Michael J. Ellis, Gregory V. Steele, Perry B. Wigley
Conservation and Survey Division: Faculty and Staff Publications
No abstract provided.