42 limestone deposits⚫ meteorites limestone deposits see under economic geology under Illinois; Kentucky limnology see under hydrology Louisiana-engineering geology maps: Cartographic production for the Louisiana barrier island erosion study; 2, Generation of surface grids OF 91-0615 Louisiana-hydrogeology maps: Maps of the "400-foot," "600-foot," and adjacent aquifers and confining beds, Baton Rouge area, Louisiana OP-34 lunar studies see Moon M magmas see igneous rocks; intrusions; lava magmas-differentiation fractional crystallization: A-type granite and the Red Sea opening OP-9 magmas geochemistry assimilation: Tectonic implications of isotopic variation among Jurassic and Early Cretaceous plutons, Klamath Mountains OP-2 magnetic survey maps Filtered magnetic anomaly maps of Missouri GP-1000 magnetic surveys see under geophysical surveys under Minnesota; Missouri magnetism of rocks and minerals see paleomagnetism manganese ores see under economic geology under Morocco mantle see under seismology under Alaska mantle temperature geologic thermometry: Upper-mantle seismic discontinuities and the thermal structure of subduction zones OP-63 maps see under areal geology under Alaska; California; Colorado; Mars; Montana; Neptune; Saturn; Virginia; West Virginia; Wyoming see under economic geology under Idaho; Montana; Oregon see under engineering geology under Louisi ana see under geochemistry under Colorado; Idaho; Moon; New Hampshire; New York; Vermont see under geomorphology under Connecticut; Illinois; Kentucky; Missouri; New Hampshire; Utah see under geophysical surveys under Missouri see under hydrogeology under Louisiana; Minnesota; North Carolina see under oceanography under Arctic Ocean; Mediterranean Sea see under structural geology under Alaska; California; Nevada; Yukon Territory maps cartography automatic cartography: Cartographic production for the Louisiana barrier island erosion study; 2, Generation of surface grids OF 910615 soils maps: One perspective on spatial variability in geologic mapping OP-43 marine geology see continental shelf; continental slope; oceanography see under oceanography under Indian Ocean marine sediments see under sediments Mars-areal geology maps: Geologic map of science study area 2, North Kasei Valles, Mars (MTM 25072 Quadrangle) I-2107 Maryland oceanography estuaries: Sediment-nutrient dynamics and sediment-oxygen demand in the tidal Patuxent River and estuary, Maryland OF 91-0225 mass movements see under geomorphology; slope stability see under geomorphology under California Massachusetts environmental geology land use: Ground-water quality as related to housing density, Cape Cod, Massachusetts OF 91-0225 pollution: Large-scale natural-gradient tracer test in a sand and gravel aquifer, Cape Cod, Massachusetts OF 91-0225 Massachusetts-hydrogeology ground water: A comparison of results from small- and large-scale tracer tests in a heterogeneous aquifer, Cape Cod, Massachusetts OP14 Estimation of recharge rates to the sand and gravel aquifer using environmental tritium, Nantucket Island, Massachusetts W 2297 melange Kinematics of late structures in melange of the McHugh Complex, Kenai Peninsula, Alaska OP-128 The age of the Great Serpentinite Belt (Weraerai Terrane) in northeastern NSW, Australia; implications for development of the New England tectonic collage OP-72 mercury ores see under mineral deposits, genesis see under economic geology under Nevada; Western U.S. Mesozoic see under stratigraphy under California metal ores see base metals; copper ores; gold ores; lead-zinc deposits; manganese ores; mercury ores see under mineral deposits, genesis; nickel see under economic geology under catalogs; Idaho; Illinois; Kentucky; Missouri; Montana; Nevada; United States; Utah metallogeny see mineral deposits, genesis metals-geochemistry water: Uranium and other elements in Colorado Rocky Mountain wetlands; a reconnaissance study B 1992 metamorphic rocks see igneous rocks metamorphic rocks gneisses permeability: Permeability of core samples from Cajon Pass scientific drill hole; results from 2100 to 3500 m depth OP-48 metamorphic rocks—lithostratigraphy Paleozoic: Stratigraphy of Paleozoic and lower Mesozoic rocks in the northern Sierra terrane, California B 1957 metamorphic rocks-metavolcanic rocks petrology: Recent developments in the Connecticut Valley Trough, Vermont OP-27 metamorphism see metamorphic rocks metasomatic rocks see igneous rocks; metamorphic rocks metasomatic rocks-serpentinite physical properties: Bouguer gravity maps, rock property data, and principal facts for gravity data compiled for the island of Puerto Rico and vicinity OF 91-0633-A Bouguer gravity maps, rock property data, and principal facts for gravity data compiled for the island of Puerto Rico and vicinity OF 910633-B metasomatism see metasomatic rocks meteor craters see meteorites meteorites-age iron meteorites: Rhenium-osmium isotope systematics in meteorites; I, Magmatic iron meteorite groups IIAB and IIIAB OP-47 Glens Falls 1° × 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-D — Isopleth maps showing above-median concentrations of iron and cobalt in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire I-2161-F Isopleth maps showing above-median concentrations of lead and copper in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-B — Isopleth maps showing above-median concentrations of niobium and boron in stream-sediment concentrate, Glens Falls 1° × 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-E Isopleth maps showing above-median concentrations of tungsten and tin in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire I-2161-C trace elements: Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, soil, and rock samples from the western part (west of the Snake River) of the Palisades Roadless Study Area, Bonneville County, Idaho OF 91-0374-A Analytical results and sample locality map of stream-sediment, heavy-mineral-concentrate, soil, and rock samples from the western part (west of the Snake River) of the Palisades Roadless Study Area, Bonneville County, Idaho OF 91-0374-B Analytical results of insoluble-residue samples from the Paducah 1° x 2° Quadrangle, Missouri, Illinois and Kentucky; drill hole Nos. 118-129 (excluding 123) OF 91-0621-A Analytical results of insoluble-residue samples from the Paducah 1o × 2° Quadrangle, Missouri, Illinois and Kentucky; drill hole Nos. 118-129 (excluding 123) OF 91-0621-B Analytical results of insoluble-residue samples from the Paducah 1o × 2° Quadrangle, Missouri, Illinois, and Kentucky; drill hole Nos. 171-1105 OF 91-0637-A Analytical results of insoluble-residue samples from the Paducah 1° x 2° Quadrangle, Missouri, Illinois, and Kentucky; drill hole Nos. 171-1105 OF 91-0637-B Geochemical data for gold-bearing rocks from the Goldfield mining district, Nevada OF 91-0614 Geochemical study of heavy mineral concentrates from the northeastern part of the Greenville 1 x 2° Quadrangle, South Carolina B 1983 Geochemistry of soil samples from 50 solution-collapse features on the Coconino Plateau, northern Arizona OF 91-0594-A meteorites⚫ mineral deposits, genesis 43 Geochemistry of soil samples from 50 solution-collapse features on the Coconino Plateau, northern Arizona OF 91-0594-B Geologic setting, characteristics, and geochemistry of gold-bearing quartz veins in the Klamath Mountains in the Redding 1×2 degree Quadrangle, Northern California OF 91-0595 Nickel; mineralogy and chemical composition of some nickel-bearing laterites in southern Oregon and Northern California B 1877 Platinum-group elements; occurrences in gold deposits in Nevada, Oregon, and Idaho B 1877 Platinum-group elements; occurrences in the Bethlehem porphyry copper deposits, Highland Valley, British Columbia B 1877 mineral assessment-geophysical surveys gravity surveys: Bouguer gravity maps, rock property data, and principal facts for gravity data compiled for the island of Puerto Rico and vicinity OF 91-0633-A mineral assessment-programs CUSMAP: Mineral resource assessment of the Dillon 1° × 2° Quadrangle, Idaho and Montana C 1077 roadless areas: Mineral resource studies of national forest roadless areas in Idaho OF 910589 uranium ores: Short papers of the U.S. Geological Survey uranium workshop, 1990 C 1069 wilderness areas: Mineral summaries for Oregon; U.S. Bureau of Land Management wilderness study areas OF 91-0139 mineral assessment-techniques statistical analysis: New assessments of uranium endowment for two regions in the United States C 1069 mineral deposits, genesis-mercury ores epithermal processes: Mercury; an important byproduct in epithermal gold systems B 1877 mineral deposits, genesis-metal ores geochemical controls: Shortcomings of some proposed precipitation mechanisms for mississippi valley-type deposits OF 92-0001 mineral deposits, genesis-platinum ores epithermal processes: Platinum-group elements; occurrences in gold deposits in Nevada, Oregon, and Idaho B 1877 mineral deposits, genesis processes igneous processes: Jurassic ash-flow sheets, calderas, and related intrusions of the Cordilleran volcanic arc in southeastern Arizona; implications for regional tectonics and ore deposits OP-40 mineral deposits, genesis—uranium ores absolute age: Uranium series disequilibrium in a young surficial uranium deposit, northeastern Washington C 1069 controls: Relationship between collapse history and ore distribution in the Sage breccia pipe, northwestern Arizona C 1069 environment: Arid-land surficial uranium deposits; a review of examples and their modes of Occurrence C 1069 ore transport: Organic matter and uranium in solution-collapse breccia pipes of northern Arizona and San Rafael Swell, Utah C 1069 roll-type deposits: Uranium mineralization and favorability in the Oligocene Chadron Formation, southeastern Wyoming and northwester Nebraska C 1069 mineral resources see metal ores see under economic geology under Idaho; Illinois; Indiana; Kentucky; Midwest; Missouri; Montana; New Hampshire; New York; Oregon; South Carolina; symposia; United States; Vermont see under symposia under economic geology minerals see crystal chemistry; crystal growth; crystal structure minerals sulfides bornite: Bomite; heat capacity and revised thermodynamic properties OP-158 Minnesota-economic geology water resources: Water resources of the Mississippi and Sauk rivers watershed, central Minnesota HA-0534 Minnesota-geophysical surveys magnetic surveys: Interpretation of new airborne geophysical data, Effie-Coon Lake area, Minnesota OP-120 surveys: Innovations in the interpretation of regional magnetic, gravity, and airborne electromagnetic data OP-109 Minnesota-hydrogeology ground water: Cyclic injection, storage, and withdrawal of heated water in a sandstone aquifer at St. Paul, Minnesota; field observations, preliminary model analysis and aquifer thermal efficiency OF 89-0261 Delineation of recharge areas for selected wells in the St. Peter-Prairie du Chien-Jordan Aquifer, Rochester, Minnesota OF 90-0397 hydrology: A comparison of selected waterquality characteristics in Accounting Unit 070102, upper Mississippi River basin, Royalton to Hastings, Minnesota OF 91-0225 Effects of impoundments on water quality of streams in the Coteau des Prairies-upper Minnesota River basin WRI 90-4033 maps: Water resources of the Mississippi and Sauk rivers watershed, central Minnesota HA-0534 Minnesota-stratigraphy Precambrian: Precambrian geology of the Lake Superior region; an overview OP-57 Miocene see under stratigraphy under California Mississippi Valley-earthquakes New Madrid earthquakes 1811-1812: The New Madrid earthquake B 0494 Mississippian see under stratigraphy under Illinois Missouri-economic geology base metals: Cambrian and Ordovician stratigraphy and the potential for mississippi valley-type and mount isa-type base metals, western Paducah 1°× 2° area OF 92-0001 clays: Assessment of the clay and shale resources of the Paducah Quadrangle OF 920001 coal: Assessment of the coal resources in the Paducah Quadrangle OF 92-0001 construction materials: Assessment of the construction sand and gravel and industrial sand resources of the Paducah 1o × 2° Quadrangle OF 92-0001 diatomite: Tripoli (microcrystalline silica) resources of the Paducah Quadrangle OF 920001 dolostone deposits: Assessment of limestone and dolomite resources of the Paducah 1° × 2° Quadrangle OF 92-0001 fluorspar: Vein and bedded fluorspar mineralization in the Paducah Sheet OF 92-0001 lead-zinc deposits: Assessment of mississippi valley-type mineralization; examples from the Middle Ordovician Dutchtown Formation OF 92-0001 metal ores: Geochemical studies of the dilute HCl soluble fraction of subsurface samples from the Paducah 1°× 2° Quadrangle OF 920001 Potential for magmatic-hydrothermal FeREE-Cu-(Au?) deposits in the Proterozoic basement of the Paducah 1° x 2° Quadrangle OF 92-0001 mineral resources: Mineral resources of the Illinois Basin in the context of basin evolution OF 92-0001 Subsurface lithologic mapping for mineral resource potential assessment of the Paducah CUSMAP Quadrangle OF 92-0001 The Paducah CUSMAP; a broad spectrum of resources in a rift-related interior cratonic basin OF 92-0001 petroleum: Oil and gas potential in Paducah Quadrangle OF 92-0001 Missouri-geochemistry sedimentary rocks: A geochemical cross-section of the Paducah 1o × 2° Quadrangle OF 920001 trace elements: Paducah CUSMAP subsurface geochemical studies OF 92-0001 Missouri-geomorphology maps: Surface geologic mapping in Missouri; look at it this way OF 92-0001 Surficial deposits of the Paducah 1° × 2° Quadrangle OF 92-0001 Missouri-geophysical surveys magnetic surveys: Filtered magnetic anomaly maps of Missouri GP-1000 maps: Filtered magnetic anomaly maps of Missouri GP-1000 surveys: Geologic and structural evolution of the southern Illinois Basin based on potential-field studies OF 92-0001 Missouri-hydrogeology ground water: Water quality, seasonal waterlevel changes, 1988-89, and simulated effects of increased water use from the Ozark Aquifer near Branson, Missouri WRI 91-4057 Missouri-sedimentary petrology diagenesis: Diagenesis of the St. Peter Sandstone along a traverse from the Ozark Dome into the deepest Illinois Basin OF 92-0001 Origin of Middle Ordovician dolomites in the Illinois Basin OF 92-0001 sedimentation: Petrology of Pennsylvanian sandstones in southern Illinois and Missouri; provenance implications of vertical and lateral variations in composition OF 92-0001 Missouri-stratigraphy Devonian: In search of the unconformity beneath the Mississippian OF 92-0001 Ordovician: Lower Ordovician stratigraphy and facies in and adjacent to the Reelfoot Basin, southern Midcontinent, U.S.A. OF 92-0001 - Upper Ordovician sequence stratigraphy of the southern Illinois Basin OF 92-0001 Missouri-structural geology faults: Structural geology of the Paducah Quadrangle OF 92-0001 Three structural cross sections through selected deep wells within and adjacent to the Paducah 1 × 2° Quadrangle, southern Illinois, southeastern Missouri and western Kentucky OF 92-0001 models see under breaking waves under ocean waves see under genesis under barite deposits Mohorovicic discontinuity see crust; mantle see under seismology under Great Lakes region Montana-areal geology maps: Geologic map of the Fan Mountain Quadrangle, Madison County, Montana GQ-1706 Montana-economic geology barite deposits: Maps showing mineral resource assessment for vein and replacement deposits of base and precious metals, barite, and fluorspar, Dillon 1 × 2° Quadrangle, Idaho and Montana 1-1803-E bibliography: Mineral resource assessment of the Dillon 1° 2° Quadrangle, Idaho and Montana C 1077 fluorspar: Maps showing mineral resource assessment for vein and replacement deposits of base and precious metals, barite, and fluorspar, Dillon 1° × 2° Quadrangle, Idaho and Montana I-1803-E maps: Maps showing mineral resource assessment for copper and molybdenum in porphyry and stockwork deposits and for tungsten, iron, gold, copper, and silver in skam deposits, Dillon 1° × 2° Quadrangle, Idaho and Montana I-1803-G - Maps showing mineral resource assessment for vein and replacement deposits of base and precious metals, barite, and fluorspar, Dillon 1° × 2° Quadrangle, Idaho and Montana I-1803E metal ores: Maps showing mineral resource assessment for copper and molybdenum in porphyry and stock work deposits and for tungsten, iron, gold, copper, and silver in skam deposits, Dillon 1° × 2° Quadrangle, Idaho and Montana I-1803-G of the Anaconda Copper Company OF 920002 mineral resources: Mineral resource assessment of the Dillon 1° × 2° Quadrangle, Idaho and Montana C 1077 oil shale: Vanadium; resources in fossil fuels B 1877 Montana geochronology Archean: 3.96 Ga zircons from an Archean quartzite, Beartooth Mountains, Montana OP-49 Moon-geochemistry maps: Improved maps of the distribution of thorium, iron and titanium in the lunar surface based on Apollo gamma-ray spectrometer data OP-142 Moon-geophysical surveys remote sensing: Compositional heterogeneity and crustal stratigraphy of the Moon derived from Galileo SSI multi-spectral images OP150 Galileo SSI results; lunar maria OP-111 Lunar multispectral mosaics from Galileo solid state imaging OP-141 Orientale and South Pole-Aitken basins; Galileo imaging results OP-114 Morocco-economic geology manganese ores: Lead and strontium isotopes in the Upper Cretaceous Imini manganese deposit of Morocco OP-98 mud volcanoes see volcanology museums see associations; survey organizations N natural gas see under economic geology under Indiana; Kentucky natural resources see under reclamation Nebraska-economic geology uranium ores: Uranium mineralization and favorability in the Oligocene Chadron Formation, southeastern Wyoming and northwestern Nebraska C 1069 Nebraska-environmental geology pollution: Occurrence and treatment of atrazine and its degradation products in drinking water OP-1 neodymium-isotopes Nd-144/Nd-143: Tectonic implications of isotopic variation among Jurassic and Early Cretaceous plutons, Klamath Mountains OP-2 Neogene see under stratigraphy under California; Pacific Coast neotectonics see changes of level; tectonics see under structural geology under Alaska; California; Italy; Nevada; Oregon; Pacific Coast Nevada-geochemistry isotopes: A Nd, Sr, and O isotopic study of "small" volume rhyolites at the Timber Mountain/Oasis Valley volcanic center, southern Nevada OP-102 trace elements: Lithology and geochemistry of core from U.S. Geological Survey deep drill hole at Indian Creek and discussion of core from a drill hole near Gold Acres, Shoshone Range, Nevada OF 91-0585 Nevada geophysical surveys gravity surveys: A positive gravity anomaly along the Colorado River extensional corridor, evidence for new crustal materials? OP-162 Nevada-hydrogeology hydrology: Suspended-sediment budgets for four drainage basins tributary to Lake Tahoe, California and Nevada, 1984-87 WRI 914054 organic materials: Consumption of atmospheric methane by Desert soils OP-59 Nevada-structural geology maps: Reconnaissance photogeologic map of young faults in the Goldfield 1° by 2° Quadrangle, Nevada and California MF-2183 Reconnaissance photogeologic map of young faults in the Millett 1° by 2° Quadrangle, Nevada MF-2176 neotectonics: Reconnaissance photogeologic map of young faults in the Goldfield 1° by 2° Quadrangle, Nevada and California MF-2183 Reconnaissance photogeologic map of young faults in the Millett 1° by 2° Quadrangle, Nevada MF-2176 tectonics: Fault-slip analysis of Miocene deformation in an area of volcanotectonic interaction, Yucca Flat, southern Nevada OP-144 New isotopic ages demonstrate extensional faulting of 19-12 Ma in the western Caliente caldera complex and vicinity, Lincoln County, Nevada OP-166 New Hampshire economic geology mineral resources: Isopleth maps showing above-median concentrations of barium and strontium in stream-sediment concentrate, Glens Falls 1° × 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-D — Isopleth maps showing above-median concentrations of iron and cobalt in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-F Isopleth maps showing above-median concentrations of lead and copper in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-B Isopleth maps showing above-median concentrations of niobium and boron in stream-sediment concentrate, Glens Falls 1° × 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-E Isopleth maps showing above-median concentrations of tungsten and tin in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire I-2161-C New Hampshire geochemistry maps: Isopleth maps showing above-median concentrations of barium and strontium in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-D Isopleth maps showing above-median concentrations of iron and cobalt in stream-sediment concentrate, Glens Falls 1 x 2° Isopleth maps showing above-median concentrations of tungsten and tin in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-C New Hampshire-geomorphology New Jersey-environmental geology pollution: Evidence for leaching of trace-metals from plumbing materials exposed to acidic ground water in selected areas of the New Jersey coastal plain OF 91-0225 waste disposal: Analysis of quality-assurance samples collected during an investigation of hazardous-waste-disposal facilities in Logan Township, Gloucester County, New Jersey OF 91-0225 New Jersey-hydrogeology ground water: Regional water-quality trends and offshore extent of freshwater in the 800foot sand of the Kirkwood Formation, Atlantic City area, New Jersey OF 91-0225 The use of deuterium and oxygen-18 to trace the movement of induced river recharge into the Potomac-Raritan-Magothy aquifer system, Camden area, New Jersey OF 91-0225 hydrology: Estimates of stream leakage and hydraulic properties of a glacial aquifer near Dover, New Jersey, based on the chemical character of water, including stable isotopes of hydrogen and oxygen OF 91-0225 New Jersey-oceanography continental slope: Comparison of submarine canyons from different carbonate settings OP-172 New South Wales tectonophysics plate tectonics: The age of the Great Serpentinite Belt (Weraerai Terrane) in northeastern NSW, Australia; implications for development of the New England tectonic collage OP-72 New York-economic geology geochemical maps: Isopleth maps showing above-median concentrations of iron and cobalt in stream-sediment concentrate, Glens Falls 1° × 2° Quadrangle, New York, Vermont, and New Hampshire I-2161-F mineral resources: Isopleth maps showing above-median concentrations of barium and strontium in stream-sediment concentrate, Glens Falls 1 × 2° Quadrangle, New York, Vermont, and New Hampshire I-2161-D Isopleth maps showing above-median concentrations of lead and copper in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-B Isopleth maps showing above-median concentrations of niobium and boron in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-E Isopleth maps showing above-median concentrations of tungsten and tin in stream-sediment concentrate, Glens Falls 1 x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-C New York-geochemistry maps: Isopleth maps showing above-median concentrations of barium and strontium in stream-sediment concentrate, Glens Falls 1° x 2° Quadrangle, New York, Vermont, and New Hampshire 1-2161-D Isopleth maps showing above-median concentrations of iron and cobalt in stream-sediment concentrate, Glens Falls 1 x 2° Quadrangle, New York, Vermont, and New Hampshire I-2161-F Isopleth maps showing above-median concentrations of lead and copper in stream-sediment concentrate, Glens Falls 1° x 2° |