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Hydrothermal Alteration in the Mount Hood Area, Oregon (open access)

Hydrothermal Alteration in the Mount Hood Area, Oregon

A report which describes the hydrothermal alteration of numerous outcrop samples collected in the vicinity of Mount Hood, as well as drill cuttings from 13 of the geothermal drill holes for which we were able to obtain sample splits.
Date: 1993
Creator: Bargar, Keith E.; Keith, Terry E. C. & Beeson, Melvin H.
Object Type: Report
System: The UNT Digital Library
Insect Fauna of the Rhode Island Coal Field (open access)

Insect Fauna of the Rhode Island Coal Field

A report about a few types of insects found in coal fields in Rhode Island.
Date: 1893
Creator: Scudder, Samuel Hubbard
Object Type: Report
System: The UNT Digital Library
Coastal Sedimentation Along a Segment of the Interior Seaway of North America, Upper Cretaceous Baxter Shale, and Blair and Rock Springs Formations, Rock Springs Uplift, Southwest Wyoming (open access)

Coastal Sedimentation Along a Segment of the Interior Seaway of North America, Upper Cretaceous Baxter Shale, and Blair and Rock Springs Formations, Rock Springs Uplift, Southwest Wyoming

A report which examines the sedimentary rocks deposited along a segment of the west coast of the interior seaway of North America in southwest Wyoming during the late Santonian and early Campanian subages of the Late Cretaceous Epoch.
Date: 1993
Creator: Roehler, Henry W.
Object Type: Report
System: The UNT Digital Library
Subsidence of Fine Solid Particles in Liquids (open access)

Subsidence of Fine Solid Particles in Liquids

A report about the phenomenon of subsidence which is divided into parts.
Date: 1886
Creator: Barus, Carl
Object Type: Report
System: The UNT Digital Library
A synopsis of American Fossil Brachiopoda Including Bibliography and Synonymy (open access)

A synopsis of American Fossil Brachiopoda Including Bibliography and Synonymy

A report about 2,053 brachiopods which are described or identified in this paper.
Date: 1897
Creator: Schuchert, Charles
Object Type: Report
System: The UNT Digital Library
Revision of the American Fossil Cockroaches with Descriptions of New Forms (open access)

Revision of the American Fossil Cockroaches with Descriptions of New Forms

A report about fossilized cockroaches that updates a previous report. Many new specimens have been analyzed and compared with each other by the author.
Date: 1895
Creator: Scudder, Samuel Hubbard
Object Type: Report
System: The UNT Digital Library
On Secondary Enlargements of Mineral Fragments in Certain Rocks (open access)

On Secondary Enlargements of Mineral Fragments in Certain Rocks

A report about quartz fragments and genesis of qartzites. Sandstones are described that have grains which are bounded externally by crystalline faces. The quartz coatings of these grains are in perfect "optical and crystalline continuity" with the interior fragments.
Date: 1884
Creator: Irving, R. D. & Van Hise, C. R.
Object Type: Report
System: The UNT Digital Library
Stratigraphy of the Inyan Kara Group in the Black Hills (open access)

Stratigraphy of the Inyan Kara Group in the Black Hills

A report about the stratigraphy of the Inyan Kara group which reveals how the area has a basic twofold lithogenetic subdivision which has been recognized in equivalent beds elsewhere in the western interior regions.
Date: 1959
Creator: Waagé, Karl M.
Object Type: Report
System: The UNT Digital Library
Report of Progress of the Division of Hydrography for the Calendar Year 1895 (open access)

Report of Progress of the Division of Hydrography for the Calendar Year 1895

A report which provides the results of operations of the Division of Hydrography for the calendar year 1895. It details the localities at which work has been undertaken, the character of the investigations, and the results obtained.
Date: 1895
Creator: Newell, Frederick Haynes
Object Type: Report
System: The UNT Digital Library
Thermodynamic Properties of Minerals and Related Substances at 298.15 K and 1 Bar (105 Pascals) Pressure and at Higher Temperatures (open access)

Thermodynamic Properties of Minerals and Related Substances at 298.15 K and 1 Bar (105 Pascals) Pressure and at Higher Temperatures

A report about values for the entropy, molar volume, and for the enthalpy and Gibbs energy of formation for the elements and minerals and substances at 298.15 K.
Date: 1995
Creator: Robie, Richard A. & Hemingway, Bruce S.
Object Type: Report
System: The UNT Digital Library
On Invertebrate Fossils from the Pacific Coast (open access)

On Invertebrate Fossils from the Pacific Coast

A report about fossils from the Chico-Téjon series of California. These fossils constitute additions to the already known molluscan fauna of an important series of rich strata.
Date: 1889
Creator: White, Charles A.
Object Type: Report
System: The UNT Digital Library
Rockfalls and Debris Avalanches in the Smugglers Notch Area, Vermont (open access)

Rockfalls and Debris Avalanches in the Smugglers Notch Area, Vermont

A report about rockfalls and debris avalanches on the southern approach to Smuggles Notch in Vermont.
Date: 1994
Creator: Lee, Fitzhugh T.; Odum, Jack K. & Lee, John D.
Object Type: Report
System: The UNT Digital Library
The Constitution of the Silicates (open access)

The Constitution of the Silicates

A report about silicates which form nine-tenths of the earth's crust and are therefore of fundamental importance to geological changes. The report discusses analyzing them by finding out where they came from and what they are comprised of.
Date: 1895
Creator: Clarke, Frank Wigglesworth
Object Type: Report
System: The UNT Digital Library
Report of Progress of the Division of Hydrography for the Calendar Years 1893 and 1894 (open access)

Report of Progress of the Division of Hydrography for the Calendar Years 1893 and 1894

A report which contains the results of observations and measurements made by the Division of Hydrography during the calendar years 1893 and 1894.
Date: 1895
Creator: Newell, Frederick Haynes
Object Type: Report
System: The UNT Digital Library
Lateral Ramps in the Folded Appalachians and in Overthrust Belts Worldwide—A Fundamental Element of Thrust-Belt Architecture (open access)

Lateral Ramps in the Folded Appalachians and in Overthrust Belts Worldwide—A Fundamental Element of Thrust-Belt Architecture

A report about lateral ramps which are zones where décollements change stratigraphic level along a strike. This report suggests that many cross-strike features may be underlain by lateral ramps that serve to transfer décollements from one stratigraphic level to another in the same manner as frontal ramp, but in a direction normal to the strike of the fold belt.
Date: 1998
Creator: Pohn, Howard A.
Object Type: Report
System: The UNT Digital Library
Uranium Content of Ground and Surface Waters in a Part of the Central Great Plains (open access)

Uranium Content of Ground and Surface Waters in a Part of the Central Great Plains

A report about the uranium content of water from various rock units and geologic terrains. Rocks of uranium might indicate which underground water sources contain uranium.
Date: 1960
Creator: Landis, E. R.
Object Type: Report
System: The UNT Digital Library
Colorado Yule Marble—Building Stone of the Lincoln Memorial (open access)

Colorado Yule Marble—Building Stone of the Lincoln Memorial

A report about the quality and consistency of the Colorado Yule marble mined in Marble, Colorado.
Date: 1998
Creator: McGee, Elaine S.
Object Type: Report
System: The UNT Digital Library
Bibliography of the Geology and Hydrology of the Albuquerque Greater Urban Area, Bernalillo and Parts of Sandoval, Santa Fe, Socorro, Torrance, and Valencia Counties, New Mexico (open access)

Bibliography of the Geology and Hydrology of the Albuquerque Greater Urban Area, Bernalillo and Parts of Sandoval, Santa Fe, Socorro, Torrance, and Valencia Counties, New Mexico

A bibliography which contains over 500 references for the Albuquerque Greater Urban Area (AGUA). The intent is to be comprehensive in scope in the areas of hydrology and geology as well as introductory in other interdisciplinary areas.
Date: 1978
Creator: Wright, Ann Finley
Object Type: Report
System: The UNT Digital Library
Isotopic Ages and Stratigraphy of Cenozoic Rocks of the Marysvale Volcanic Field and Adjacent Areas, West-Central Utah (open access)

Isotopic Ages and Stratigraphy of Cenozoic Rocks of the Marysvale Volcanic Field and Adjacent Areas, West-Central Utah

A report about the Marysvale volcanic field that lies at the east end of the Pioche-Marysvale igneous belt.
Date: 1994
Creator: Rowley, Peter D.; Mehnert, Harald M.; Naeser, Charles W.; Snee, Lawrence W.; Cunningham, Charles G.; Steven, Thomas A. et al.
Object Type: Report
System: The UNT Digital Library
Fluid Inclusions and Biomarkers in the Upper Mississippi Valley Zinc-Lead District: Implications for the Fluid-Flow and Thermal History of the Illinois Basin (open access)

Fluid Inclusions and Biomarkers in the Upper Mississippi Valley Zinc-Lead District: Implications for the Fluid-Flow and Thermal History of the Illinois Basin

A report about the fluid inclusions in the upper Mississippi valley zinc-lead district. It discusses the consequences of fluid flow.
Date: 1996
Creator: Rowan, E. L. & Goldhaber, M. B.
Object Type: Report
System: The UNT Digital Library
Geochemical, Biogeochemical, and Sedimentological Studies of the Green River Formation, Wyoming, Utah, and Colorado (open access)

Geochemical, Biogeochemical, and Sedimentological Studies of the Green River Formation, Wyoming, Utah, and Colorado

A report about new geochemical, biogeochemical, and sedimentological data gathered from the depositional basins of the Green River Formation.
Date: 1991
Creator: Tuttle, Michele L.
Object Type: Report
System: The UNT Digital Library
Geologic Reconnaissance of the Antelope-Ashwood Area North-Central Oregon (open access)

Geologic Reconnaissance of the Antelope-Ashwood Area North-Central Oregon

A report describing the geology of a few counties in Oregon. Strata is exposed that ranges in age from pre-Tertiary to Quaternary.
Date: 1964
Creator: Peck, Dallas L.
Object Type: Report
System: The UNT Digital Library
Source Rock Potential of the Lower Part of the Mississippian St. Louis Limestone in South-Central Indiana (open access)

Source Rock Potential of the Lower Part of the Mississippian St. Louis Limestone in South-Central Indiana

A report about the carbonate-evaporite sequence of the lower part of the Mississippian St. Louis Limestone. There is organic rich strata that may be good to excellent hydrocarbon source rocks.
Date: 1995
Creator: Ridgley, J. L. & Nuccio, V. F.
Object Type: Report
System: The UNT Digital Library
Imaging the Sea Floor (open access)

Imaging the Sea Floor

A report that provides examples of 1990's sonar advances that help map the sea floor. Two specific devices are focused on, these are the Sea Beam bathymetric mapping system and the GLORIA sidescan-sonar imaging system.
Date: 1995
Creator: Schlee, John S.; Karl, Herman A. & Torresan, M. E.
Object Type: Report
System: The UNT Digital Library