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Department of Mineral Sciences

Izalco Volcano

  • Edward A. Venzke
  • Website & Database Manager Global Volcanism Program
  • Phone:   (202) 633-1822
  • Fax:   (202) 357-2476
  • E-mail Address:   venzkee atsiedu
  • Mailing Address:
    Smithsonian Institution
    PO Box 37012, MRC 119
    Washington, DC 20013-7012
  • Shipping Address:
    Smithsonian Institution
    National Museum of Natural History
    10th & Constitution NW
    Washington, DC 20560-0119


M.S. University of Minnesota - Duluth (1993)
B.S. Beloit College (1988)


Chandler, V.W., Miller, J.D., Jr., and Venzke, E. A., 1991, Description of map sheets for the Central Duluth Complex drilling project: Minnesota Geological Survey Open File Report 91-4, 4 p., 1 sheet, scale 1:100 000.

Frey, B. A., and Venzke, E. A., 1991, Archean drill core description and assay in Lake of the Woods County, Minnesota: Report 278, Minnesota Department of Natural Resources, Division of Minerals.

Lawler, T. L., and Venzke, E. A., 1991, Aeromagnetic interpretation pseudo-geologic maps, with evaluation, in Lake of the Woods and Lake counties, Minnesota: Report 290, Minnesota Department of Natural Resources, Division of Minerals.

Venzke, Edward A., 1988, The geology of the Guffey volcanic center, north of Guffey, Park County, Colorado, in Fox, William T. (ed.), First Keck research symposium in geology; abstracts volume, Beloit, WI, Apr. 14-17, 1988: Williams College, Geology Department, Williamstown, MA, United States, p. 115-117.

Venzke, Edward A., 1990, The geology of the Greenwood Lake area, Duluth Complex, Lake County, northeastern Minnesota, in Fralick, Philip W. (ed.), Proceedings and Abstracts, Institute on Lake Superior Geology, Annual Meeting: Lakehead Univ., Thunder Bay, ON, Canada, v. 36, no. 1, p. 112-114.

Wobus, Reinhard A., Mochel, David W., Mertzman, Stanley A., Eide, Elizabeth A., Rothwarf, Miriam T., Loeffler, Bruce M., Johnson, David A., Keating, Gordon N., Sultze Kimberly, Benjamin, Anne E., Venzke, Edward A., and Filson, Tammy, 1990, Geochemistry of high potassium rocks from the mid Tertiary Guffey volcanic center, Thirtynine Mile volcanic field, central Colorado: Geology, v. 18, no. 7, p. 642-645.

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