Session: Economic Geology ( 2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM)

Paper #

Start Time

1:30 PM

Introductory Remarks

1

1:45 PM

Geochemistry of Hanging-Wall Metasedimentary Rocks at the Greens Creek Massive Sulfide Deposit, Southeastern Alaska

JOHNSON, Craig A., US Geological Survey, MS 963, Box 25046, Denver, CO 80225, TAYLOR, Cliff D., U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Box 25046 Denver Federal Center, MS-973, Denver, CO 80225 and LEVENTHAL, Joel S., NA, U. S. Geol Survey, Federal Center, MS 973, Denver, CO 80225, cjohnso@usgs.gov, cjohnso@usgs.gov

2

2:00 PM

Synchronous Deposition of Paleoproterozoic Superior-Type Banded Iron-Formations and Volcanogenic Massive Sulfides In the Lake Superior Region: Implications for the Tectonic Evolution of the Penokean Orogen

SCHULZ, Klaus J., U.S. Geolological Survey, 954 National Center, Reston, VA 20192 and CANNON, William F., U.S. Geological Survey, 954 National Center, Reston, VA 20192, kschulz@usgs.gov, kschulz@usgs.gov

3

2:15 PM

Fractal Nature of the Distribution of Stockworks (Feeder Zones) and Mineralizations of the Iberian Pyrite Belt: Application to Mineral Exploration

GUMIEL, Pablo, Investigación de Recursos Minerales, Instituto Geológico y Minero de España (IGME), Rios Rosas, 23, Madrid, 28003, Spain, ARIAS, Monica, Departamento de Geología, Universidad de Alcalá, Facultad de Ciencias, N-II, 33.600 km, Alcalá de Henares, 28871, Spain, SANDERSON, David J., School of Civil Engineering and the Environment, University of Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH, England and ROBERTS, Steve, Geochemistry, National Oceanography Centre, Southampton, University of Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH, England, pablo.gumiel@uah.es, pablo.gumiel@uah.es

4

2:30 PM

Introducing the Effects of Rough Surfaces into Predictive Modeling of Fluid Flow through Fractures

SLOTTKE, Donald, Jackson School of Geosciences, The University of Texas at Austin, 1 University Station C1100, Austin, TX 78712, dtslottke@mail.utexas.edu, dtslottke@mail.utexas.edu

5

2:45 PM

Age of Epithermal Mineralization, Fresnillo District, Zacatecas, Mexico

VELADOR, Jesus M., Earth and Environmental Sciences Department, New Mexico Tech, 801 Leroy Place, PO Box 2434, Socorro, NM 87801, CAMPBELL, Andrew R., Earth and Environmental Science, New Mexico Tech, Socorro, NM 87801 and HEIZLER, Matthew, New Mexico Geochronology Research Laboratory, New Mexico Bureau of Mines & Mineral Resources, 801 Leroy Place, New Mexico Tech, Socorro, NM 87801-4796, jvelador@nmt.edu, jvelador@nmt.edu

6

3:00 PM

Geochemistry and Fluid Evolution of a Carboniferous-Hosted Sphalerite Breccia Deposit, Isle of Man

SHELTON, Kevin L.¹, BEASLEY, Justin M.¹, GREGG, Jay M.², HENDRY, J.P.³ and SOMERVILLE, Ian D.⁴, (1)Geological Sciences, Univ of Missouri, Columbia, MO 65211-1380, (2)Boone Pickens School of Geology, Oklahoma State University, 105 Noble Research Center, Stillwater, OK 74078-3031, (3)School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth, PO1 3QL, United Kingdom, (4)School of Geological Sciences, University College Dublin, UCD Science Centre, Belfield, Dublin, 4, Ireland, SheltonKL@missouri.edu, SheltonKL@missouri.edu

7

3:15 PM

Fluid Inclusion and Stable Isotope Studies of Carboniferous Limestone-Hosted Zn-Pb Mineralization In NW Ireland

PERSELLIN, Christopher J.¹, GREGG, Jay M.¹, SHELTON, Kevin L.² and SOMERVILLE, Ian D.³, (1)Boone Pickens School of Geology, Oklahoma State University, 105 Noble Research Center, Stillwater, OK 74078-3031, (2)Geological Sciences, Univ of Missouri, Columbia, MO 65211-1380, (3)School of Geological Sciences, University College Dublin, UCD Science Centre, Belfield, Dublin, 4, Ireland, chris.persellin@okstate.edu, chris.persellin@okstate.edu

8

3:30 PM

Os Isotopic Systematics Accompanying the Interaction Between Pelitic Xenoliths and Mafic Magma of the Duluth Complex, Midcontinent Rift System

WILLIAMS, Curtis D., RIPLEY, Edward M. and LI, Chusi, Department of Geological Sciences, Indiana University, 1001 East 10th St, Bloomington, IN 47405, cuwillia@indiana.edu, cuwillia@indiana.edu

9

3:45 PM

Re-Os Isotopic Study of the Eagle Ni-Cu Sulfide Deposit, Northern Michigan

DING, Xin¹, RIPLEY, Edward M.¹, LI, Chusi¹ and SHIREY, Steven B.², (1)Department of Geological Sciences, Indiana University, 1001 East 10th St, Bloomington, IN 47405, (2)Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road, NW, Washington, DC 20015, xiding@indiana.edu, xiding@indiana.edu

10

4:00 PM

Southwest Margin of the Grasberg Igneous Complex, Papua, Indonesia: Prolonged Interaction of Acidic Magmatic Fluid with Carbonate Wall Rock

LAMBERT, Adam L., Geological Sciences, University of Texas at Austin, Jackson School of Geosciences, Austin, TX 78712 and CLOOS, Mark, Department of Geological Sciences, University of Texas at Austin, Jackson School of Geosciences 1 University Station C9000, Austin, TX 78712, adamllambert@gmail.com, adamllambert@gmail.com

11

4:15 PM

Uralitization (Ca-Pyroxene to Actinolite) and Gold Deposition in the Bullrun Creek District, Northeastern Oregon

JOHNSON, Kenneth, Department of Natural Sciences, University of Houston-Downtown, 1 Main Street, Suite N813, Houston, TX 77002, johnsonk@uhd.edu, johnsonk@uhd.edu

12

4:30 PM

Mineralogy, Textures and Origin of the Pilot Knob Magnetite Deposit, St. Francois Mountains Proterozoic Terrane, Missouri

NOLD, John L., Department of Earth Science, University of Central Missouri, 107 WCM Science Building, Warrensburg, MO 64093 and DUDLEY, Mark A., Earth Science, University of Central Missouri, Warrensburg, MO 64093, nold@ucmo.edu, nold@ucmo.edu