An Overview of Mining-Related Environmental and Human Health Issues, Marinduque Island, Philippines: Observations from a Joint U.S. Geological Survey – Armed Forces Institute of Pathology Reconnaissance Field Evaluation, May 12-19, 2000 U. S. Geological Survey Open-File Report 00-397 Geoffrey S. Plumlee1 Robert A. Morton2 Terence P. Boyle3 Jack H. Medlin4 José A. Centeno5 1U.S. Geological Survey, MS935 Federal Center, Denver, CO 80225;
[email protected] 2U.S. Geological Survey, 600 4th Street South, St. Petersburg, FL 33701;
[email protected] 3U.S. Geological Survey, Aylesworth Hall NW, Colorado State University, Ft Collins, CO 80523;
[email protected] 4U.S. Geological Survey, National Center, Reston, VA 22091;
[email protected] 5U.S. Armed Forces Institute of Pathology, Washington, DC 20306-6000;
[email protected] This report is available online at: http://geology.cr.usgs.gov/pub/open-file-reports/ofr-00-0397/ Boac River,, tailings from 1996 spill Tapian pit lake An Overview of Mining-Related Environmental and Human Health Issues, Marinduque Island, Philippines: Observations from a Joint U.S. Geological Survey – Armed Forces Institute of Pathology Reconnaissance Field Evaluation, May 12-19, 2000 By Geoffrey S. Plumlee, Robert A. Morton, Terence P. Boyle, Jack H. Medlin, and José A. Centeno Executive Summary received or are still receiving acid rock This report summarizes results of a visit by the drainage, high sediment loads, and tailings report authors to Marinduque Island, Philippines, transported from the mine site; in May 2000. The purpose of the visit was to con- " The beaches and ocean at and near the mouth duct a preliminary examination of environmental of the Mogpog and Boac River systems; problems created by a 1996 tailings spill from the " Calancan Bay, into which very large volumes Marcopper open-pit copper mine.