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- Response Plan for Volcano Hazards in the Long Valley Caldera and Mono Craters Region, California
- A report about volcano response plans. It discusses a four-level color code with successive conditions. For instance, green means no risk while red means an eruption is occurring.
- Geologic Field-Trip Guide to Steens Mountain Loop Road, Harney County, Oregon
- The following report is a guide that documents the geological features visible from or near Steens Mountain Loop Road, Harney County, Oregon.
- Environmental Geochemical Studies of Selected Mineral Deposits in Wrangell-St. Elias National Park and Preserve, Alaska
- From abstract: Environmental geochemical investigations took place in Wrangell-St. Elias National Park and Preserve (WRST), Alaska, between 1994 and 1997. Areas studied include the historic Kennecott stratabound copper mines and mill area; the historic mines and mill in the Bremner district, where gold was produced from polymetallic veins; the sporadically active gold placer mines at Gold Hill; the undisturbed, unmined porphyry copper-molybdenum deposits at Orange Hill and Bond Creek; and the historic mines and mill at Nabesna, where gold-bearing iron skarn deposits were exploited. The cooperative study between the U.S. Geological Survey and the National Park Service focused on identifying and characterizing geochemical signatures associated with these mineralized areas. Sample media included surface water, bedload sediment, rock, mine waste, and mill tailings samples.
- Distribution of Benthic Foraminifers (>125 µm) in the Surface Sediments of the Arctic Ocean
- A report which discusses the distribution of benthic foraminifers in surface sediment samples from 49 box cores collected by the U.S. Geological Survey.
- [Evolution of Sedimentary Basins/Onshore Oil and Gas Investigations--Santa Maria Province: Chapters Y and Z]
- From abstract: A complex Neogene history characterizes the offshore Santa Maria basin and the northwest margin of the western Transverse Ranges, California. This history includes the transition from subduction to a transtensional and then transpressional plate boundary, including about 900 of clockwise rotation of the western Transverse Ranges. This report uses seismic reflection data to document the geometry of structures that accommodated this deformation and offshore well data to date and correlate the sediments which were affected by the different tectonic episodes.
- Postglacial Lahars and Potential Hazards in the White Salmon River System on the Southwest Flank of Mount Adams, Washington
- From introduction: This report describes the results of a study assessing volcanic hazards at Mount Adams Volcano.
- Bedrock Geology of the Paducah 1°x2° CUSMAP Quadrangle, Illinois, Indiana, Kentucky, and Missouri
- The following report interprets the geologic history of the Paducah quadrangle, focusing on depositional and tectonic evolution, particularly tectonic events that influenced sedimentation.
- 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.
- Engineering Geology Applied to the Design and Operation of Underground Coal Mines
- A report which discusses in detail how the disciplines of geology and geotechnology, also known as engineering geology, apply to exploration, design, and operation of underground coal mines.
- [Evolution of Sedimentary Basins/Onshore Oil and Gas Investigations--Santa Maria Province: Chapters W and X]
- From abstract: Bulletin W is about the deformation of the Mesozoic Franciscan Complex of the Eastern Santa Maria basin in California. Bulletin X is about the regional thermal maturity of the surface rocks of the mentioned basin as well as the Santa Barbara-Ventura basin area in California.
- Laccolith Complexes of Southeastern Utah: Time of Emplacement and Tectonic Setting - Workshop Proceedings
- This report summarizes much of the materials presented at the workshop and provides an extensive list of selected references pertaining to geochronology and tectonics of the Colorado Plateau to facilitate further research.
- 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.
- The Chemical Analysis of Argonne Premium Coal Samples
- A report about methods used to determine concentrations of 67 elements in 8 argonne premium coal samples.
- Geologic Controls of Deep Natural Gas Resources in the United States
- A report about the natural gas drilling frontier in deep sedimentary basins. Papers presented here are intended to introduce the petroleum community to a set of geologic tools that may be used to predict deep undiscovered natural gas accumulations.
- Geologic Studies in the Basin and Range-Colorado Plateau Transition in Southeastern Nevada, Southwestern Utah, and Northwestern Arizona, 1995
- The following report is the second compilation of reports describing the geology of the Basin and Range to Colorado Plateau Transition (BARCO) area.
- Geology of the Pennsylvanian and Permian Cutler Group and Permian Kaibab Limestone in the Paradox Basin, Southeastern Utah and Southwestern Colorado
- From abstract: This report talks about the geology of the Pennsylvanian and Permian Cutler Group that consists of the lower Cutler beds, Cedar Mesa Sandstone, Organ Rock Formation, White Rim Sandstone, and De Chelly Sandstone. The report also talks about the Permian Kaibab Limestone in the Paradox Basin that overlays the Cutler.
- The Late Triassic Bivalve Monotis in Accreted Terranes of Alaska
- A report about late triassic bivalves of the genus monotis. So far, 14 kinds of Monotis that differ in species or subspecies level can be recognized from Alaska.
- Paleomagnetic and 40Ar/39Ar Results from the Grant Intrusive Breccia and Comparison to the Permian Downeys Bluff Sill—Evidence for Permian Igneous Activity at Hicks Dome, Southern Illinois Basin
- A report about applying 40Ar/39Ar dating methods, along with other rock techniques, to determine the age of emplacement and the cooling history of the Grant intrusive breccia at Hicks dome in Illinois.
- Proterozoic Geology of the Granite Village Area, Albany and Laramie Counties, Wyoming, Compared with that of the Sierra Madre and Medicine Bow Mountains of Southeastern Wyoming
- Abstract: "Precambrian metavolcanic rocks north and south of the village of Granite, Wyoming, belong to a sequence of isolated metavolcanic and metasedimentary masses in the Sherman Granite of the southern Laramie Mountains. Similar rocks lie to the west, in the Precambrian uplifts of the southern Medicine Bow Mountains and Sierra Madre. A major fault system, the Cheyenne belt, splits these two ranges into northern and southern domains, and may constitute a suture along which Early Proterozoic islands arcs collided with an Early Proterozoic passive margin. Projection of the Cheyenne belt into the Laramie Mountains suggests that the study area, which is 65 kilometers south of the proposed suture, comprises a distinct volcanic arc with a unique chemistry or age. However, chemistry of the volcanic rocks of the study area as determined as so far does not differ significantly from those of the Medicine Bow Mountains and Sierra Madre."
- The Sedimentary Carbonate-Hosted Giant Bayan Obo REE-Fe-Nb Ore Deposit of Inner Mongolia, China: A Cornerstone Example for Giant Polymetallic Ore Deposits of Hydrothermal Origin
- A report which describes the overall characteristics of Bayan Obo ore deposit. The paper examines Bayan Obo as a cornerstone example of giant ore deposits of hydrothermal origin.
- The Bisbee Group of the Tombstone Hills, Southeastern Arizona: Stratigraphy, Structure, Metamorphism, and Mineralization
- From introduction: The purpose of this study is to establish a stratigraphic framework of the Bisbee Group in the Tombstone Hills, and to use this stratigraphy to unravel the complex history of folding, faulting, intrusion, and mineralization.
- Burial and Thermal History of the Paradox Basin, Utah and Colorado, and Petroleum Potential of the Middle Pennsylvanian Paradox Formation
- From abstract: This is a report on the burial and thermal history of the Paradox basin in Utah and Colorado, and the petroleum potential of the middle Pennsylvanian Paradox Formation.
- Chronology of Late Cretaceous Igneous and Hydrothermal Events at the Golden Sunlight Gold-Silver Breccia Pipe, Southwestern Montana
- A report about gold mineralization at the Golden Sunlight breccia pipe, southwestern Montana, is related to emplacement of Late Cretaceous alkali-calcic rhyolite and subsequent collapse of the Belt Supergroup wallrock and rhyolite in the pipe.
- Dissolved Radon and Uranium, and Ground-Water Geochemistry in an Area Near Hylas, Virginia
- Report describing the results of experiments to test for radon and uranium in ground water from samples taken near Hylas, Virginia.
- Environmental Studies of Mineral Deposits in Alaska
- A report about metal necessary for economic or industrial development and how the metals are toxic to plants, animals, and humans.
- 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.
- Geologic Processes at the Land Surface
- A report about erosion, deposition, soil formation, and water flow. It discusses hazards such as landslides, dust storms, floods, topsoil loss, ecosystem change, water contamination, and soil contamination.
- Geology of Part of the Nelchina River Gabbronorite and Associated Rocks, South-Central Alaska
- The following report analyzes the geological features of a 6-km by 0.3-km strip of glacially polished rocks of the Nelchina River Gabbronorite located in the eastern part of the Anchorage quadrangle.
- Geology of the Harpers Ferry Quadrangle, Virginia, Maryland, and West Virginia
- The following report documents the geological mapping of the Harpers Ferry quadrangle, Virginia, Maryland, and West Virginia, from between 1989 and 1990.
- Gold Placers of the Historical Fortymile River Region, Alaska
- From introduction: This report focuses on the placer geology of individual creeks; mining, history of the area, high terrace gravels, and the gold source of the Fortymile River area in Alaska.
- Magnetic and Gravity Study of the Paducah 1°x2° CUSMAP Quadrangle, Illinois, Indiana, Kentucky, and Missouri
- Report outlining magnetic and gravity data pertaining to Illinois, Indiana, Kentucky, and Missouri.
- Mineral Resource Potential and Geology of Coronado National Forest, Southeastern Arizona and Southwestern New Mexico
- The following report is a mineral resource assessment of Coronado National Forest of southeastern Arizona and southwestern New Mexico, formed by geologic, geochemical, and geophysical data.
- Origin of Primary and Diagenetic Carbonates in the Lacustrine Green River Formation (Eocene), Colorado and Utah
- A report that used isotopic, mineralogic, and oil-yield data to delineate major hydrologic states, establish the origin of carbonate mineral phases, and determine the controls on the geochemical cycles of carbon and oxygen.
- Patterns of Diagenesis in Lower and Middle Pennsylvania Sandstones of the Illinois Basin, Illinois, Indiana, and Kentucky.
- This following report discusses the study of Lower and Middle Pennsylvanian sandstones of the Illinois Basin examined for evidence of regional diagenetic and fluid-flow patterns.
- The Slumgullion Earth Flow: A Large-Scale Natural Laboratory
- A report about the Slumgullion slide and landslides. It discusses climate changed and how landslides are measured.
- Subdivision, Subsurface Stratigraphy, and Estimated Age of Fluvial-Terrace Deposits in Northwestern Tennessee
- This report studies the fluvial-terrace deposits in northwestern Tennessee with the intention of establishing a means of correlating disjunct terrace segments along the Obion River that is independent of terrace height, to document the stratigraphy of selected terrace deposits, and to estimate their numerical ages.
- Thermal Evolution of Sedimentary Basins in Alaska
- This report covers the study of thermal maturity of sedimentary basins in Alaska taken place in the early 1990s.
- Timing and Effect of Detachment-Related Potassium Metasomatism on 40Ar/39Ar Ages from the Windous Butte Formation, Grant Range, Nevada
- A report about studying volcanic rocks. It discusses faults, thermal, and chemical problems.
- Uranium Provinces of North America: Their Definition, Distribution, and Models
- This report follows the study of the plate tectonic history of North America and provides a model format of the uranium provinces of North America. The format is designed to provide the major characteristics of the province in brief concise descriptions.
- Photogeologic map, Stinking Spring Creek-1 quadrangle, Emery County, Utah
- A Photogeologic map of the Stinking Spring Creek Quadrangle, located in Emery County, Utah. Prepare in cooperation with the Atomic Energy Commission.
- The 1992 Eruptions of Crater Peak Vent Mount Spurr Volcano, Alaska
- A report which provides an overview of eruptions from Mount Spurr and the Alaska Volcano Observatory's response to them.
- Archean and Early Proterozoic Tectonic Framework of North-Central United States and Adjacent Canada
- From abstract: This report contains the analysis of the southern part of the Canadian Shield and the subsurface of the southern interior platform where they comprise two Archean cratons and three Early Proterozoic collisional orogens.
- Area Adjacent to the Turkey Creek Caldera, Cochise County, Arizona: Analytic Data and Geologic Sample Catalog
- From introduction: This report supplements similar reports prepared for the four 7.5-minute quadrangles that cover the Turkey Creek caldera and geologic map of the caldera.
- Base- and Precious-Metal Concentrations of Early Proterozoic Massive Sulfide Deposits in Arizona- Crustal and Thermochemical Controls of Ore Deposition
- A report about early proterozoic massive sulfide deposits associated with submarine mafic to felsic metavolcano rocks are present throughout central, west-central, and northwestern Arizona. Also, production data for copper, lead, zinc, gold, and silver for most of the known deposits and prospects in 13 metallic mineral districts are summarized.
- Carbon Dioxide in Mississippian Rocks of the Paradox Basin and Adjacent Areas, Colorado, Utah, New Mexico, and Arizona
- From abstract: This report is about six gas samples that were obtained from the Mississippian Leadville Limestone in the McElmo field, Colorado, and the Lisbon field, Utah. These samples were recorded to contain a high reading of carbon dioxide and the report investigates these results.
- The Distribution of Rare-Earth Elements in Minerals of the Monazite Family
- A report about rare-earth metals located inside minerals of the monazite family.
- Environmental Considerations of Active and Abandoned Mine Lands: Lessons from Summitville, Colorado
- A report about some of the environmental impacts of the Summitville open-pit mine that was abandoned after 1992.
- Feasibility Study of Material-Balance Assessment of Petroleum from the New Albany Shale in the Illinois Basin
- A report about which intends to determine the feasibility of conducting a material-balance assessment of petroleum within a sedimentary basin.
- Fluvial Architecture of the Lower Cretaceous Lakota Formation, Southwestern Flank of the Black Hills Uplift, South Dakota
- From introduction This report describes large-scale depositional units referred to as architectural elements, interpreted from outcrops of three distinct fluvial sandstone units of the Lakota Formation in the southwestern Black Hills area of Custer and Fall River Counties, South Dakota. These fluvial deposits formed near the end of an episode of continental deposition that began when the Jurassic Sundance sea regressed from the region and ended when the Early Cretaceous Skull Creek sea encroached from the north in Albian time.
- Gazetteer of Planetary Nomenclature 1994
- A report about nomenclature related to planets in the solar system. It contains detailed information about all names of topographic and albedo features on planets and satellites.