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• Gray, J.E., and Page, W.R., eds., 2008, Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, 93 pp.

Other products are listed according to task:

Task 1 - Mercury Contaminant Studies of Abandoned Mercury Mines at Terlingua and Mariscal Mountain, Texas

Presentations

• Gray, J.E., 2005, Overview of mercury contamination related to mercury mining and small-scale gold mining worldwide [abs.]: in Proceedings of the Goldschmidt Conference, Moscow, Idaho, May 20-25, 2005, Geochimica et Cosmochimica Acta, v. 69, no. 10, p. A703.
• Gray, J.E., Crock, J.G. and Fey, D.L. 2004, Mercury and methylmercury in mine wastes and downstream sediments from abandoned mercury mines in and around Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, v. 36, no. 5, p. 125. View Gray 2004 GSA abstract.
• Gray, J.E., Hines, M.E., Biester, H., and Lasorsa, B.K., 2002, Mercury speciation and transformation in mine wastes collected from abandoned mercury mines in the USA [abs.]: Geological Society of America Abstracts with Programs, v. 34, no. 6, p. 287. View Gray 2002 GSA abstract.
• Gray, J.E., and Lasorsa, B.K., 2005, Mercury speciation in soil samples from the Mariscal mercury mine, Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, v. 37, no. 7, p. 439. View Gray 2005 GSA abstract.
• Gray, J.E., Theodorakos, P.M., Hageman, P.L., and Lasorsa, B.K., 2007, Evaluation of mercury contamination in mine waste, sediment, water, and air at the Mariscal mine, Big Bend National Park, Texas: Geological Society of America Abstracts with Programs, vol. 39, no. 6, p. 510. View Gray 2007 GSA abstract.
• Gray, J.E., Theodorakos, P.M., and Olund, S.D., 2006, Emissions of mercury of mines in the Terlingua district in and around Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, v. 38, no. 7, p. 35. View Gray 2006 GSA abstract.
• Hines, M.E., and Gray, J.E., 2005, Mercury transformations in mine wastes and natural habitats adjacent to abandoned mercury mines [abs.]: Geochimica et Cosmochimica Acta, v. 69, no. 10, p. A703.

Reports

• Gray, J.E., Finn, C.A., Morgan, L.A., Page, W.R., and Shanks, W.C., 2007, Integrated Geological, Geochemical, and Geophysical Studies of Big Bend National Park, Texas: U.S. Geological Survey Fact Sheet 2007-3078, 6 pp.
• Gray, J.E., Hines, M.E., and Biester, H., 2006, Mercury methylation influenced by areas of past mercury mining in the Terlingua area, southwest Texas, USA: Applied Geochemistry, v. 21, pp. 1940-1954 .
• Gray, J.E., Hines, M.E., Biester, H., and Lasorsa, B.K., 2003, Mercury methylation in mine wastes collected from mercury mines in the USA: Journal of Physique IV, v. 107, pp. 573-576.
• Gray, J.E. and Page, W.R., 2008, Introduction: Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, p. 1.
• Gray, J.E., Theodorakos, P.M., and Krabbenhoft, D.P., 2008, Evaluation of Mercury Contamination at Inactive Mercury Mines in and around Big Bend National Park, in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, pp. 57-64.

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Task 2 - Volcanic Stratigraphy and Physical Volcanology of Big Bend National Park

Presentations

• Morgan, L.A. and Shanks, W.C., 2007, Geologic features of a volcanic vent complex, North Burro Mesa, Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, v. 39, no.. 6, p. 512. View Morgan 2007 GSA abstract.
• Morgan, L.A., and Shanks, W.C., 2004, Geologic and Geochemical Studies in Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, v. 36, no. 5, p. 125. View Morgan 2004 GSA abstract.
• Morgan, L.A., Shanks, W.C. III, and McIntosh, W.C., 2006, Early Oligocene igneouos flare up in the Big Bend National Park, Texas: Contemporaneous activity at Dagger Flats intrusive sill complex and Pine Canyon caldera [abs.]: Geological Society of America Abstracts with Programs, v. 38, no. 7, p. 34. View Morgan 2006 GSA abstract.

Reports

• Morgan, L.A., and Shanks, W.C., 2008, Where magma meets limestone: Dagger Flats, an example of Skarn Deposits in Big Bend National Park, in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, pp. 43-55.

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Task 3 - Geochemistry of Altered Rock, Mineral Deposits, and Surface and Ground Water Resources

Presentations

• Shanks, W.C. III, Morgan, L., Gemery-Hill, P., Gray, J.E., and Manning, A., 2006, Geochemical studies of hot springs, ground water, and stream water in Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, v. 38, no. 7, p. 34. View Shanks 2006 GSA abstract.
• Shanks, W.C. III, Stricker, C., Hellgren, E., and Gemery-Hill, P., 2007, Trace element and stable isotope studies of black bear hair, Big Bend National Park Area, Texas and Mexico: Geological Society of America Abstracts with Programs, v. 39, no. 6, p. 510. View Shanks 2007 GSA abstract.

Reports

• Shanks, W.C., Morgan, L.A., Gray, J.E., Manning, A.H., and Gemery-Hill, P.A., 2008, The waters of Big Bend: Geochemical variations, ages, and sources, in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, pp. 65-76.
• Shanks, W.C., Hellgren, E.C., Stricker, C., Gemery-Hill, P., and Onorato, D.P., 2008, Stable isotope and trace element studies of black bear hair, Big Bend ecosystem, Texas and Mexico, in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, pp. 77-84.

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Task 4 - Geologic Mapping in Big Bend National Park and Adjacent Areas

Presentations

• Berry, M.E., and Williams, V., 2007, Quaternary geology of Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, vol. 39, no. 6, pp. 635-636. View Berry 2007 GSA abstract.
• Berry, M.A., and Williams, V.S., 2004, New 1:100,000-scale mapping of surficial deposits in Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 128. View Berry 2004 GSA abstract.
• Bohannon, R.G., 2007, The geology of the Chisos Mountains [abs.]: Geological Society of America Abstracts With Programs, vol. 39, no. 6, p. 634. View Bohannon 2007 GSA abstract.
• Bohannon, R.G., 2004, Geology of the southern Chisos Mountains; insights from new geologic mapping in Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 128. View Bohannon 2004 GSA abstract.
• Miggins, D.P., Anthony, E., Ren, M., Budahn, J.R., and Wache, K., 2007, New ⁴⁰Ar/³⁹Ar ages, geochemistry, and stratigraphy for mafic and rhyolitic volcanic units from Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, vol. 39, no. 6, p. 635. View Miggins 2007 GSA abstract.
• Miggins, D.P., Ren, M., Anthony, E., Iriondo, A., and Wooden, J., 2006, New constraints on the timing of volcanism and associated intrusive rocks in Big Bend National Park using ⁴⁰Ar³⁹Ar and U-Pb SHRIMP geochronology [abs.]: Geological Society of America Abstracts with Programs, v. 38, no. 7, p. 156. View Miggins 2006 GSA abstract.
• Miggins, D., Scott, R.B., and Snee, L.W., 2004, New ⁴⁰Ar³⁹Ar ages from Big Bend National Park [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 128. View Miggins 2004 GSA abstract.
• Page, W.R., 2007, Late Ordovician conodonts from the Maravillas Formation near Persimmon Gap, Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, vol. 39, no. 6, p. 635. View Page 2007 GSA abstract.
• Page, W.R., Williams, ,V.S., and Berry, M.E., 2005, Quaternary faults in northwestern Big Bend National Park, southern Texas [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 128. View Page 2005 GSA abstract.
• Scott, R.B., Snee, L.W., Drenth, B., Anderson, E.D., and Finn, C.A., 2004, Sloppy Pancake stacks: Oligocene Laccoliths of northern Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 127. View Scott 2004 GSA abstract 1.
• Scott, R. B. Snee, L.W., Page, W.R., Finn, C.A., Drenth, B., and Anderson, E.D., 2004, Oligocene Rosillos Mountins Laccolith, Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 128. Abstract available online at: View Scott 2004 GSA abstract 2.
• Scott, R.B., Turner, K.J., Budahn, J.R., and Miggins, D.P., 2007, Sierra Quemada – A failed caldera, Big Bend National Park [abs.]: Geological Society of America Abstracts With Programs, vol. 39, no. 6, p. 512. View Scott 2007 GSA abstract.
• Turner, K.J., 2004, A new digital geologic map of Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 128. View Turner 2004 GSA abstract.

Reports

• Berry, M.E., and Williams, V.S., 2008, Surficial Deposits of Big Bend National Park, in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, pp. 15-27.
• Miggins, D.P., Ren, M., and Anthony, E.Y., 2008, Volcanic geology of several prominent outcrops in the western part of Big Bend National Park, in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, pp. 29-42.
• Page, W.R., Turner, K.J., and Bohannon, R.G., 2008, Tectonic history of Big Bend National Park, in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, pp. 3-13.

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Task 5 - Geophysics

Presentations

• Anderson, E., 2007, Integrating 2D geologic data with geophyics to generate a 3D geologic map of the Rosillos Mountains in Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, v. 39, no. 6, p. 634. View Anderson 2007 GSA abstract.
• Anderson, E.D., Finn, C.A., Scott, R.B., and Snee, L.W., 2005, Mapping and visualizing faults using aeromagnetic data and a GIS in northern Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 127. View Anderson 2005 GSA abstract.
• Anderson, E.D., Finn, C.A., Scott, R.B., and Snee, L.W., 2004, Mapping and visualizing faults using aeromagnetic data and a GIS in northern Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts With Programs, v. 36, no. 5, p. 127. View Anderson 2004 GSA abstract.
• Drenth, B.J., and Finn, C.A., 2007, Aeromagnetic mapping of the structure of Pine Canyon caldera and Chisos Mountains intrusion, Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, v. 39, no. 6, p. 511. View Drenth 2007 GSA abstract.
• Drenth, B.J., and Finn, C.A., 2004, Interpretation of Aeromagnetic Anomalies over the Pine Canyon Caldera, Big Bend National Park, Texas [abs.]: Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 127. View Drenth 2004 GSA abstract.
• Drenth, B.J. and Finn, C.A., 2003, High Resolution Aeromagnetic Survey of the Big Bend National Park Region, Texas [abs.]: EOS, Transactions of the American Geophysical Union, Fall Meet. Supplemental, Abstract T31E-0875, v. 84.

Reports

• Drenth, B.J., 2005, Interpretation of geophysical anomalies over the Pine Canyon caldera, Big Bend National Park, Texas: University of Texas at El Paso, M.S. Thesis, 72 pp.
• Drenth. B.J., and Finn, C.A., 2007, Aeromagnetic mapping of the structure of Pine Canyon caldera and Chisos Mountains intrusions, Big Bend National Park, Texas: Geological Society of America Bulletin, vol. 119, no. 11, pp. 1521-1534.
• Duval, J.S., 2005, Aerial gamma-ray, Landsat TM, and digital elevation data, Big Bend Area, Texas: U.S. Geological Survey Open-File Report 2005-1371.
• Finn, C.A., and Anderson, E.D., 2008, Aeromagnetic and radioelement analyses identify igneous rocks in the Big Bend National Park Region, in Gray, J.E., and Page, W.R., eds., Geological, geochemical, and geophysical studies by the U.S. Geological Survey in Big Bend National Park, Texas: U.S. Geological Survey Circular 1327, pp. 85-91.

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