Groundwater/surface-water interactions in the Bad River Watershed, Wisconsin
Andrew T. Leaf, Michael N. Fienen, Randall J. Hunt, Cheryl A. Buchwald
2015, Scientific Investigations Report 2015-5162
A groundwater-flow model was developed for the Bad River Watershed and surrounding area by using the U.S. Geological Survey (USGS) finite-difference code MODFLOW-NWT. The model simulates steady-state groundwater-flow and base flow in streams by using the streamflow routing (SFR) package. The objectives of this study were to: (1) develop an...
Factors controlling Li concentration and isotopic composition in formation waters and host rocks of Marcellus Shale, Appalachian Basin
Thai T. Phan, Rosemary C Capo, Brian W. Stewart, Gwen Macpherson, Elisabeth L. Rowan, Richard W. Hammack
2015, Chemical Geology (420) 162-179
In this study, water and whole rock samples from hydraulically fractured wells in the Marcellus Shale (Middle Devonian), and water from conventional wells producing from Upper Devonian sandstones were analyzed for lithium concentrations and isotope ratios (δ7Li). The distribution of lithium concentrations in different mineral groups was determined using...
Topographic and Hydrographic GIS Datasets for the Afghanistan Geological Survey and U.S. Geological Survey 2014 Mineral Areas of Interest
Jessica D. DeWitt, Peter G. Chirico, Katherine C. Malpeli
2015, Open-File Report 2015-1181
Mineral extraction and associated industries play an important role in the Afghan economy, particularly in the “transitional era” of declining foreign aid and withdrawal of foreign troops post 2014. In addition to providing a substantial source of government revenue, other potential benefits of natural resource development include boosted exports, employment...
Limiting age for the Provo shoreline of Lake Bonneville
David M. Miller, David B. Wahl, John McGeehin, Jose J. Rosario, Charles G. Oviatt, Lysanna Anderson, Liubov S. Presnetsova
2015, Quaternary International (387) 99-105
Pluvial Lake Bonneville features a prominent shoreline at the Provo level, which has been interpreted as having formed during a period of threshold-stabilized overflow. The timing of Provo shoreline development is important for paleoclimate interpretations and for inferences on geomorphic process rates. Estimates for the timing of the shoreline formation,...
Aluminosilicate melts and glasses at 1 to 3 GPa: Temperature and pressure effects on recovered structural and density changes
S Bista, Jonathan Stebbins, William B. Hankins, Thomas W. Sisson
2015, American Mineralogist (100) 2298-2307
In the pressure range in the Earth’s mantle where many basaltic magmas are generated (1 to 3 GPa) (Stolper et al. 1981), increases in the coordination numbers of the network-forming cations in aluminosilicate melts have generally been considered to be minor, although effects on silicon and particularly on aluminum coordination...
Effects and quantification of acid runoff from sulfide-bearing rock deposited during construction of Highway E18, Norway
Atle Hindar, D. Kirk Nordstrom
2015, Applied Geochemistry (62) 150-163
The Highway E18 between the cities of Grimstad and Kristiansand, southern Norway, constructed in the period 2006–2009, cuts through sulfide-bearing rock. The geology of this area is dominated by slowly-weathering gneiss and granites, and oxidation of fresh rock surfaces can result in acidification of surface water. Sulfide-containing rock waste from...
Arctic Alaska’s Lower Cretaceous (Hauterivian and Barremian) mudstone succession—Linking lithofacies, texture, and geochemistry to marine processes
Margaret A. Keller, Joe H.S. Macquaker
Julie A. Dumoulin, editor(s)
2015, Professional Paper 1814-B
We present new images and descriptions of the lithofacies and organic facies of the pebble shale unit and lower part of the Hue Shale (Lower Cretaceous) of Arctic Alaska at a high magnification that illustrates their textural characteristics. Our aims were to describe and determine the distribution of facies in...
Microbiological oxidation of antimony(III) with oxygen or nitrate by bacteria isolated from contaminated mine sediments
Lee R. Terry, Thomas R. Kulp, Heather A. Wiatrowski, Laurence G. Miller, Ronald S. Oremland
2015, Applied and Environmental Microbiology (81) 8478-8488
Bacterial oxidation of arsenite [As(III)] is a well-studied and important biogeochemical pathway that directly influences the mobility and toxicity of arsenic in the environment. In contrast, little is known about microbiological oxidation of the chemically similar anion antimonite [Sb(III)]. In this study, two bacterial strains, designated IDSBO-1 and IDSBO-4, which...
Olistostrome shed eastward from the Antler orogenic forebulge, Bisoni-McKay area, Fish Creek Range, central Nevada
Forrest G. Poole, Charles Sandberg
2015, Book chapter, Unusual central Nevada geologic terranes produced by Late Devonian antler orogeny and Alamo impact
The Bisoni-McKay area, a structurally isolated, fault-bounded horst, offset eastward at the south end of the Fish Creek Range, displays a geologic terrane that is previously unrecorded in Nevada, and perhaps elsewhere in North America. This unique terrane is an olistostrome that was shed eastward by listric faulting from the...
Reconnaissance surficial geologic map of the Taylor Mountains quadrangle, southwestern Alaska
Frederic H. Wilson
2015, Scientific Investigations Map 3334
This map and accompanying digital files are the result of the interpretation of aerial photographs from the 1950s as well as more modern imagery. The area, long considered a part of Alaska that was largely not glaciated (see Karlstrom, 1964; Coulter and others, 1965; or Péwé, 1975), actually has a...
Regional seismic-wave propagation from the M5.8 23 August 2011, Mineral, Virginia, earthquake
Frederick Pollitz, Walter D. Mooney
2015, GSA Special Papers (509) 95-116
The M5.8 23 August 2011 Mineral, Virginia, earthquake was felt over nearly the entire eastern United States and was recorded by a wide array of seismic broadband instruments. The earthquake occurred ~200 km southeast of the boundary between two distinct geologic belts, the Piedmont and Blue Ridge terranes to the...
Widespread groundwater-level offsets caused by the Mw 5.8 Mineral, Virginia, earthquake of 23 August 2011
Evelyn A. Roeloffs, David L. Nelms, Rodney A. Sheets
2015, GSA Special Papers (509) 117-136
Groundwater levels were offset in bedrock observation wells, measured by the U.S. Geological Survey or others, as far as 553 km from the Mw 5.8 Mineral, Virginia (USA), earthquake on 23 August 2011. Water levels dropped as much as 0.47 m in 34 wells and rose as much as 0.15...
A microbial arsenic cycle in sediments of an acidic mine impoundment: Herman Pit, Clear Lake, California
Jodi S. Blum, Shelley McCann, S. Bennett, Laurence G. Miller, J. R. Stolz, B. Stoneburner, C. Saltikov, Ronald S. Oremland
2015, Geomicrobiology Journal 1-13
The involvement of prokaryotes in the redox reactions of arsenic occurring between its +5 [arsenate; As(V)] and +3 [arsenite; As(III)] oxidation states has been well established. Most research to date has focused upon circum-neutral pH environments (e.g., freshwater or estuarine sediments) or arsenic-rich “extreme” environments like hot springs and soda...
Summary of the Ahankashan Area of Interest
Lawrence J. Drew, David M. Sutphin, John C. Mars, Anya K. Bogdanow
2015, Open-File Report 2015-1040
This report summarizes and interprets results of the work in the Ahankashan Area of Interest in northwestern Afghanistan and four study areas—the Ahankashan Prospect Area, Syahsang-Kushkak, Taghab-Soni, and Zakak-e ‘Olya—delineated for their potential undiscovered mineral occurrences with specific emphasis on porphyry copper and related occurrence types. The Area of Interest...
Tracing chlorine sources of thermal and mineral springs along and across the Cascade Range using halogen and chlorine isotope compositions
Jeffrey T. Cullen, Jaime D. Barnes, Shaul Hurwitz, William P. Leeman
2015, Earth and Planetary Science Letters (426) 225-234
In order to provide constraints on the sources of chlorine in spring waters associated with arc volcanism, the major/minor element concentrations and stable isotope compositions of chlorine, oxygen, and hydrogen were measured in 28 thermal and mineral springs along the Cascade Range in northwestern USA. Chloride concentrations in the springs...
Water withdrawals in Florida, 2012
Richard L. Marella
2015, Open-File Report 2015-1156
In 2012, the total amount of water withdrawn in Florida was estimated to be 14,237 million gallons per day (Mgal/d). Saline water accounted for 7,855 Mgal/d (55 percent), and freshwater accounted for 6,383 Mgal/d (45 percent). Groundwater accounted for 4,167 Mgal/d (65 percent) of freshwater withdrawals, and surface water accounted...
Global patterns and environmental controls of perchlorate and nitrate co-occurrence in arid and semi-arid environments
W Andrew Jackson, J.K. Bohlke, Brian J. Andraski, Lynne S. Fahlquist, Laura M. Bexfield, Frank D. Eckardt, John B. Gates, Alfonso F. Davila, Christopher P. McKay, Balaji Rao, Ritesh Sevanthi, Srinath Rajagopalan, Nubia Estrada, Neil C. Sturchio, Paul B. Hatzinger, Todd A. Anderson, Greta J. Orris, Julio L. Betancourt, David A. Stonestrom, Claudio Latorre, Yanhe Li, Gregory J. Harvey
2015, Geochimica et Cosmochimica Acta (164) 502-522
Natural perchlorate (ClO4−) is of increasing interest due to its wide-spread occurrence on Earth and Mars, yet little information exists on the relative abundance of ClO4− compared to other major anions, its stability, or long-term variations in production that may impact the observed distributions. Our objectives were to evaluate the...
Amphibole reaction rims as a record of pre-eruptive magmatic heating: An experimental approach
S. H. De Angelis, J. Larsen, Michelle L. Coombs, A. Dunn, Leslie A. Hayden
2015, Earth and Planetary Science Letters (426) 235-245
Magmatic minerals record the pre-eruptive timescales of magma ascent and mixing in crustal reservoirs and conduits. Investigations of the mineral records of magmatic processes are fundamental to our understanding of what controls eruption style, as ascent rates and magma mixing processes are well known to control and/or trigger potentially hazardous...
Late Pleistocene ages for the most recent volcanism and glacial-pluvial deposits at Big Pine volcanic field, California, USA, from cosmogenic 36Cl dating
Jorge A. Vazquez, Jeff M Woolford
2015, Geochemistry, Geophysics, Geosystems (16) 1-17
The Big Pine volcanic field is one of several Quaternary volcanic fields that poses a potential volcanic hazard along the tectonically active Owens Valley of east-central California, and whose lavas are interbedded with deposits from Pleistocene glaciations in the Sierra Nevada Range. Previous geochronology indicates an ∼1.2 Ma history of...
Crustal-scale tilting of the central Salton block, southern California
Rebecca Dorsey, Victoria E. Langenheim
2015, Geosphere (11) 1365-1383
The southern San Andreas fault system (California, USA) provides an excellent natural laboratory for studying the controls on vertical crustal motions related to strike-slip deformation. Here we present geologic, geomorphic, and gravity data that provide evidence for active northeastward tilting of the Santa Rosa Mountains and southern Coachella Valley about...
Drivers and synergies in the management of inland fisheries: Searching for sustainable solutions
Abigail Lynch, Beard Jr.
2015, Conference Paper, Enhancing sustainability of inland fisheries through cross-sectoral collaboration
Freshwater is a shared resource. Water challenges (i.e., too much, too little, too dirty) are recognized to have global implications. Many sectors rely upon water and, in some cases, the limited availability of water leads to tough decisions. Though inland fish and fisheries play important roles in providing food security,...
Geochemical, modal, and geochronologic data for 1.4 Ga A-type granitoid intrusions of the conterminous United States
Edward A. du Bray, Christopher S. Holm-Denoma, Carma A. San Juan, Karen Lund, Wayne R. Premo, Ed DeWitt
2015, Data Series 942
Introduction The purpose of this report is to present available geochemical, modal, and geochronologic data for approximately 1.4 billion year (Ga) A-type granitoid intrusions of the United States and to make those data available to ongoing petrogenetic investigations of these rocks. A-type granites, as originally defined by Loiselle and Wones (1979),...
Assessing landscape change and processes of recurrence, replacement, and recovery in the Southeastern Coastal Plains, USA
Mark A. Drummond, Michael P. Stier, Roger F. Auch, Janis L. Taylor, Glenn E. Griffith, D. J. Hester, Jodi L. Riegle, Christopher E. Soulard, Jamie L. McBeth
2015, Environmental Management (55) 1252-1271
The processes of landscape change are complex, exhibiting spatial variability as well as linear, cyclical, and reversible characteristics. To better understand the various processes that cause transformation, a data aggregation, validation, and attribution approach was developed and applied to an analysis of the Southeastern Coastal Plains (SECP). The approach integrates...
Mapping the 3-D extent of the Northern Lobe of the Bushveld layered mafic intrusion from geophysical data
Carol A. Finn, Paul A. Bedrosian, Janine Cole, Tshepo David Khoza, Susan J. Webb
2015, Precambrian Research (268) 279-294
Geophysical models image the 3D geometry of the mafic portion of the Bushveld Complex north of the Thabazimbi-Murchison Lineament (TML), critical for understanding the origin of the world's largest layered mafic intrusion and platinum group element deposits. The combination of the gravity and magnetic data with recent seismic, MT, borehole...
Preliminary geophysical interpretations of regional subsurface geology near the Questa Mine Tailing Facility and Guadalupe Mountain, Taos County, New Mexico
V. J. S. Grauch, Benjamin J. Drenth, Ren A. Thompson, Paul W. Bauer
2015, Open-File Report 2015-1129
This report presents geophysical interpretations of regional subsurface geology in the vicinity of the Tailing Facility of the Questa Mine near Guadalupe Mountain, Taos County, New Mexico, in cooperation with the New Mexico Environment Department. The interpretations were developed from aeromagnetic data, regional gravity data, data from four ground magnetic...