USGS - science for a changing world

Central Mineral and Environmental Resources Science Center

  CMERSC Home | About Us | Our Science | Projects | Products | Contact Us

Project status is complete. Please check the CMERSC project list for currently active projects.

Syngenetic Massive Sulfide Deposits in Alaska

Project Objectives

Syngenetic massive sulfide deposits in Alaska, including sedimentary exhalative (SEDEX) and volcanogenic massive sulfide (VMS) deposits, are an important source of Au, Ag, Cu, Pb, and Zn. Three of Alaska's metallogenic provinces for these ores are (1) Miss-Penn strata of the Brooks Range, including the world's largest zinc deposit at Red Dog, (2) Late Triassic rocks of southeast Alaska and Canada that include the giant Greens Creek deposit, and (3) middle and lower(?) Paleozoic rocks of east-central Alaska that are currently important targets for both VMS and SEDEX deposits.

Although the study of massive sulfide deposits is a mature field, there have been new breakthroughs in their understanding from advances in analytical techniques and from the recognition of recent seafloor analogues. Concurrent with this has come the realization that these deposits can be tremendous natural generators of metal-rich acid drainage. This has underscored the necessity of understanding the geology, geochemistry, and mineralogy of these deposits and their application to the development of geoenvironmental models. This project sought to link detailed ore genesis and geoenvironmental models development studies with regional-scale stratigraphic, tectonic, and petrogenetic studies within each metallogenic belt.

Project Contact

Karen Duttweiler Kelley
Phone: (303) 236-2467
Email: E-mail Karen Kelley

Products


Products are listed according to task:


Ore Genesis and Metallogeny of the Red Dog Deposit


Tectonic Setting and Metallogeny of Syngenetic Deposits, East-Central Alaska


Alaskan Component of National Mapping Project of Canada (NATMAP)


Ore Genesis and Metallogeny of the Greens Creek Deposit

Mineral Resources Program
Eastern Central Western Alaska Minerals Information Crustal Geophysics and Geochemistry Spatial Data

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USAGov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://minerals.cr.usgs.gov/projects/ak_sulfides/index.html
Page Contact Information: CMERSC Webmaster
Page Last Modified: 04-Mar-2013@14:35