Estimates of the tonnages and amounts of contained metal in undiscovered deposits, mineral deposit types.

Geochemical data for all solid sample media, along with mineralogical data, and results of weathering experiments on Valzinco tailings and field experiments on sediment accumulation in Knights Branch.

Detailed chemical and isotopic analysis of host and associated rocks within an area that is currently the largest producer of gold in the US. Part of a study of the hydrothermal activity leading to the formation of these gold deposits.

Regional tracts of land where the geology is permissive for the occurrence of undiscovered porphyry copper deposits, with probabilistic estimates of undiscovered resources, along with tables of discovered deposits and prospects.

Multi-element geochemical analysis of host rock, ore, mine waste, flotation-mill tailings, slag, stream sediments, creek and adit waters, and leachates of mine waste and mill tailings.

Probabilistic estimates of the amounts of undiscovered gold, silver, copper, lead, and zinc in conventional types of mineral deposits in the United States.

Geological characteristics and resource estimates for 36 known deposits of this type worldwide.

Chemical analysis of surface samples taken over a well known but concealed deposit to understand metal migration into the surface materials and to assess the power of surface sampling for detecting concealed deposits of this type.

Report on known and undiscovered nonfuel mineral deposits and resources of the Asia and Pacific region. Includes the age and type of rocks that contain the deposits, and regional exploration history.

Geologic map at 1:500,000 scale, digitized from USGS I-1865. Includes mines, prospects, and occurrences, permissive tracts for several mineral deposit types, and gravity anomaly contours.

Geologic units, structural features, geochemical sample points, and detailed information about the Tilaran gold mining area.

Includes data on mineral deposit locations and geochemical analyses

Uninterpreted geophysical measurements and geochemical and mineralogical analytical data from samples collected during the summer field seasons from 2007 to 2010. Data are available in a single Geographic Information System (GIS) database.

Major assessment of the environmental effects of historical mining in the Animas River watershed with GIS data files, tables, and plates.

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Haji-Gak mineral district, which has copper and gold deposits.

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain gold deposits.

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain gold deposits.

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain porphyry copper and gold deposits.

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain placer gold deposits.

GeoTIFF rendition of locally enhanced ALOS image mosaics for the Parwan mineral district, which has gold and copper deposits.

GeoTIFF rendition of locally enhanced ALOS image mosaics for this area known to contain copper and gold deposits.

Initial results of a petrographic, geochemical, and isotopic study of Mesozoic intrusive rocks and spatially associated Zn-Pb-Ag-Cu-Au prospects in the area.

Estimates of the tonnages and amounts of contained metal in undiscovered deposits, mineral deposit types.

Information on porphyry copper deposits from around the world with grade and tonnage models, a general classification based on geologic setting, mineralogy, with data allowing locations of these deposits to be plotted using GIS.

A compilation of worldwide mineral deposits of this type. This older version was revised and updated in OFR-2008-1155.

A compilation of worldwide mineral deposits of this type. This older version was revised and updated in OFR-2008-1155.

Revised and updated information about mineral deposit models for porphyry copper deposits to facilitate assessment of undiscovered resources

Permissive tracts for a variety of types of mineral deposits, with information about deposits that have already been mined.

Description and estimated amounts of resources with supporting data for use in GIS

Map interface and data download of Sed Zn-Pb data including KML and GIS data formats

This report provides information on sediment-hosted zinc-lead mineral deposits based on the geologic settings that are observed on regional geologic maps.

Map interface and data download of VMS data including KML and GIS data formats

This report presents geochemical analyses for 220 mostly altered and mineralized rock samples from the Red Dog Zn-Pb-Ag district in the western Brooks Range of northern Alaska.

This report presents geochemical analyses for 210 unaltered and unmineralized rock samples of Paleozoic age in the western Brooks Range of northern Alaska.