06/07/2011 Directory: Data/Geology/ This directory contains geology GIS datasets. The data are contained in two directories: Data/Geology/HamiltonMap - These data were digitized from Hamilton, T. and Klieforth, R.F., 2010, Surficial geologic map of parts of the D-6 and D-7 quadrangles, Pebble project area, southwestern Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2009-4. Data/Geology/Northern_Alaska_Peninsula - Digital geologic data at a scale of 1:250,000 for the Taylor Mountains, Lake Clark, Iliamna, and Dillingham quadrangles from Wilson, F.H., Blodgett, R.B., Blome, C.D., Mahadjer, S, Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L., 2006, Reconnaissance bedrock geologic map for the northern Alaska Peninsula area, southwest Alaska: U.S. Geological Survey Open-File Report 06Ð1303. The data contain attributes that describe lithology and age of geologic units. The original data is accessible at: http://pubs.usgs.gov/of/2006/1303/. Geophysical, Geochemical, and Mineralogical Data from the Pebble Cu-Au-Mo Porphyry Deposit Area, Southwest Alaska: Contributions to Assessment Techniques for Concealed Mineral Resources 2011 By E.D. Anderson, S.M. Smith, S.A. Giles, Matthew Granitto, R.G. Eppinger, P.A. Bedrosian, A.K. Shah, K.D. Kelley, D.L. Fey, B.J. Minsley, and P.J. Brown U.S. Geological Survey Data Series 608, 46 p., 2 plates, http://pubs.usgs.gov/ds/608.