Metadata: Identification_Information: Citation: Citation_Information: Originator: Singer, Donald A. Originator: Berger, Vladimir I. Originator: Moring, Barry C. Title: Porphyry copper deposits of the world Publication_Date: 2008 Series_Information: Series_Name: Open-File Report Issue_Identification: 2008-1155 Publication_Information: Publisher: Geological Survey (U.S.) Publication_Place: Menlo Park, California Online_Linkage: http://tin.er.usgs.gov/porcu/ Description: Abstract: 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. Purpose: Support regional to national scale mineral resource assessment Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2008 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: As needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -160.666944 East_Bounding_Coordinate: 178.178333 North_Bounding_Coordinate: 67.866667 South_Bounding_Coordinate: -48.075 Access_Constraints: none Use_Constraints: none Keywords: Theme: Theme_Keyword_Thesaurus: Alexandria Digital Library Feature Type Thesaurus Theme_Keyword: mineral deposit areas Theme: Theme_Keyword_Thesaurus: General glossary for mineral resources spatial data Theme_Keyword: comma-delimited text Theme_Keyword: DBF Theme_Keyword: HTML table Theme_Keyword: KML Theme_Keyword: shapefile Theme_Keyword: tab-delimited text Theme: Theme_Keyword_Thesaurus: Mineral Resources Data System commodity types Theme_Keyword: Copper Theme_Keyword: Gold Theme_Keyword: Molybdenum Theme_Keyword: Silver Theme: Theme_Keyword_Thesaurus: USGS Thesaurus Theme_Keyword: copper Theme_Keyword: economic geology Theme_Keyword: geospatial datasets Theme_Keyword: gold Theme_Keyword: mathematical modeling Theme_Keyword: metallic ores Theme_Keyword: molybdenum Theme_Keyword: natural resource assessment Theme_Keyword: ore formation Theme_Keyword: Plutonic rocks Theme_Keyword: silver Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Donald A Singer Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: 345 Middlefield Road Mail Stop 901 City: Menlo Park State_or_Province: CA Postal_Code: 94025 Country: USA Contact_Voice_Telephone: 650-329-5370 Contact_Electronic_Mail_Address: dsinger@usgs.gov Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Point Point_and_Vector_Object_Information: SDTS_Terms_Description: SDTS_Point_and_Vector_Object_Type: Entity point Point_and_Vector_Object_Count: 690 Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Geographic: Geographic_Coordinate_Units: decimal degrees Geodetic_Model: Horizontal_Datum_Name: World Geodetic System 1984 Ellipsoid_Name: WGS 84 Semi-major_Axis: 6378137 Denominator_of_Flattening_Ratio: 298.257 Data_Quality_Information: Lineage: Process_Step: Process_Description: Modified location given in record 260 (El Cobre, Cuba) to the inundated pit where mining occurred in the past. Thanks to Mr. Mario J. Faz, P.G., of Miami Florida for finding and alerting us to this problem. Process_Date: 20111212 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: main Entity_Type_Definition: General descriptive information about the deposit Attribute: Attribute_Label: rec_id Attribute_Definition: Record ID. A distinct numerical identifier for the database record without further scientific significance, assigned by the data manager of mrdata.usgs.gov. Integer values. Int of width 4. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 690 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: depname Attribute_Definition: Deposit name. The most recent deposit name. Textual values of no more than 36 characters. Attribute: Attribute_Label: includes Attribute_Definition: Includes. The names of deposits that have been combined with the primary deposit as a result of the two-kilometer minimum separation rule. Textual values of no more than 58 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 614 records have no value for includes. Attribute: Attribute_Label: altname Attribute_Definition: Other names. Alternative names that have been used for the deposit. Textual values of no more than 154 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 525 records have no value for altname. Attribute: Attribute_Label: country Attribute_Definition: Country. Name of the country where the deposit occurs. Textual values of no more than 18 characters. Attribute: Attribute_Label: cntrycd Attribute_Definition: Country code. Coded abbreviation combining the country and state or province. Textual values of no more than 4 characters. Attribute: Attribute_Label: stprov Attribute_Definition: State or province. State or province, if known, where the deposit occurs. Textual values of no more than 40 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 233 records have no value for stprov. Attribute: Attribute_Label: latitude Attribute_Definition: Latitude. Geographic latitude in decimal degrees, datum WGS84. South is negative, north positive. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -48.075 Range_Domain_Maximum: 67.8666666666667 Attribute_Units_of_Measure: decimal degrees Attribute: Attribute_Label: longitude Attribute_Definition: Longitude. Geographic longitude in decimal degrees, datum WGS84. West is negative, east positive. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -160.666944444444 Range_Domain_Maximum: 178.178333333333 Attribute_Units_of_Measure: decimal degrees Attribute: Attribute_Label: agemy Attribute_Definition: Age. Age of the deposit in millions of years before the present based on reported absolute (typically thermal dates) ages or midpoints of geologic time scale units. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 60 records have no value for agemy. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 3234 Attribute_Units_of_Measure: million years Attribute: Attribute_Label: depage Attribute_Definition: Deposit age. Textual values of no more than 67 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 97 records have no value for depage. Attribute: Attribute_Label: oreton Attribute_Definition: Ore tonnage. Total tons of ore based on total production, reserves, and resources at the lowest possible cutoff grade, in millions of metric tons. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 267 records have no value for oreton. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 21277 Attribute_Units_of_Measure: million metric tons Attribute: Attribute_Label: cugrd Attribute_Definition: Copper grade. Average grade of copper for the deposit, as percent of metal in ore. Zero value means the grade (always for byproducts) was unavailable. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 1.8 Attribute_Units_of_Measure: percent Attribute: Attribute_Label: mogrd Attribute_Definition: Molybdenum grade. Average grade of molybdenum for the deposit, as percent of metal in ore. Zero value means the grade (always for byproducts) was unavailable. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 1 records have no value for mogrd. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 0.1 Attribute_Units_of_Measure: percent Attribute: Attribute_Label: augrd Attribute_Definition: Gold grade. Average grade of gold for the deposit, as grams per metric ton of ore. Zero value means the grade (always for byproducts) was unavailable. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 1.3 Attribute_Units_of_Measure: grams per metric ton Attribute: Attribute_Label: aggrd Attribute_Definition: Silver grade. Average grade of silver for the deposit, as grams per metric ton of ore. Zero value means the grade (always for byproducts) was unavailable. Real numbers stored in double precision. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 21 Attribute_Units_of_Measure: grams per metric ton Attribute: Attribute_Label: deptype Attribute_Definition: Type of deposit. Classification of the deposit using a system new to this report using the observed rocks reported in maps rather than characteristics that are frequently unobservable in yet-to-be discovered deposits. Textual values of no more than 3 characters. Attribute: Attribute_Label: empldepth Attribute_Definition: Emplacement depth. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 3 records have no value for empldepth. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 7.5 Attribute_Units_of_Measure: km Attribute: Attribute_Label: dep5km10km Attribute_Definition: Other deposits between 5km and 10km. Listing of other deposits by type that are between 5 and 10 km of the subject deposit. Each deposit type is coded as the deposit-type number and deposit type as listed in USGS Bulletins 1693 (Cox and Singer, 1986) and 2004 (Bliss, 1992). Textual values of no more than 37 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 460 records have no value for dep5km10km. Attribute: Attribute_Label: dep5km Attribute_Definition: Other deposits within 5km. Listing of other deposits by type that are within 5 km of the subject deposit. Each deposit type is coded as the deposit-type number and deposit type as listed in USGS Bulletins 1693 (Cox and Singer, 1986) and 2004 (Bliss, 1992). Textual values of no more than 59 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 352 records have no value for dep5km. Attribute: Attribute_Label: dep_id Attribute_Definition: Deposit ID. Integer values. Int of width 8. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 710 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: latdeg Attribute_Definition: Latitude degrees. Degrees of latitude. Integer values. Int of width 3. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -48 Range_Domain_Maximum: 67 Attribute_Units_of_Measure: degrees Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: latmin Attribute_Definition: Latitude minutes. Minutes of latitude. Integer values. Int of width 2. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -59 Range_Domain_Maximum: 59 Attribute_Units_of_Measure: minutes Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: latsec Attribute_Definition: Latitude seconds. Seconds of latitude. Integer values. Int of width 2. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 355 records have no value for latsec. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -58 Range_Domain_Maximum: 59 Attribute_Units_of_Measure: seconds Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: londeg Attribute_Definition: Longitude degrees. Degrees of lontitude. Integer values. Int of width 4. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -160 Range_Domain_Maximum: 178 Attribute_Units_of_Measure: degrees Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: lonmin Attribute_Definition: Longitude minutes. Minutes of longitude. Integer values. Int of width 2. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -59 Range_Domain_Maximum: 59 Attribute_Units_of_Measure: minutes Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: lonsec Attribute_Definition: Longitude seconds. Seconds of longitude. Integer values. Int of width 2. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 365 records have no value for lonsec. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: -59 Range_Domain_Maximum: 59 Attribute_Units_of_Measure: seconds Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: rockdep Attribute_Definition: Rocks in deposit. Textual values of no more than 204 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 45 records have no value for rockdep. Attribute: Attribute_Label: rockmap Attribute_Definition: Rocks on map. Textual values of no more than 184 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 408 records have no value for rockmap. Attribute: Attribute_Label: rockmapdep Attribute_Definition: Rocks on map in deposit. Textual values of no more than 213 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 19 records have no value for rockmapdep. Attribute: Attribute_Label: discdate Attribute_Definition: Discovery date. Date the deposit was discovered, where this is known. Textual values of no more than 35 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 306 records have no value for discdate. Attribute: Attribute_Label: startdate Attribute_Definition: Startup date. Date mining of the deposit began, if this is know. Textual values of no more than 19 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 553 records have no value for startdate. Attribute: Attribute_Label: ore_a Attribute_Definition: Ore A-axis. Length in km of the major axis of the ellipse that best fits the shape of the ore body projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 17 records have no value for ore_a. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 303 Attribute_Units_of_Measure: km Attribute: Attribute_Label: ore_b Attribute_Definition: Ore BA-axis. Length in km of the minor axis of the ellipse that best fits the shape of the ore body projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 11 records have no value for ore_b. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 3 Attribute_Units_of_Measure: km Attribute: Attribute_Label: ore_area Attribute_Definition: Ore Area. Area in sq km of the ellipse that best fits the shape of the ore body projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 11 records have no value for ore_area. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 28 Attribute_Units_of_Measure: sq km Attribute: Attribute_Label: alter_a Attribute_Definition: Alteration A-axis. Length in km of the major axis of the ellipse that best fits the shape of the alteration zone projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 10 records have no value for alter_a. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 25 Attribute_Units_of_Measure: km Attribute: Attribute_Label: alter_b Attribute_Definition: Alteration B-axis. Length in km of the minor axis of the ellipse that best fits the shape of the alteration zone projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 10 records have no value for alter_b. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 9 Attribute_Units_of_Measure: km Attribute: Attribute_Label: alter_area Attribute_Definition: Alteration area. Area in sq km of the ellipse that best fits the shape of the alteration zone projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 10 records have no value for alter_area. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 82 Attribute_Units_of_Measure: sq km Attribute: Attribute_Label: sulf_a Attribute_Definition: Sulfide A-axis. Length in km of the major axis of the ellipse that best fits the shape of the sulfide occurrence zone projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 10 records have no value for sulf_a. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 13 Attribute_Units_of_Measure: km Attribute: Attribute_Label: sulf_b Attribute_Definition: Sulfide B-axis. Length in km of the minor axis of the ellipse that best fits the shape of the sulfide occurrence zone projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 10 records have no value for sulf_b. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 7 Attribute_Units_of_Measure: km Attribute: Attribute_Label: sulf_area Attribute_Definition: Sulfide area. Area in sq km of the ellipse that best fits the shape of the sulfide occurrence zone projected in two dimensions to the surface. Real numbers stored in double precision. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 10 records have no value for sulf_area. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 0 Range_Domain_Maximum: 89 Attribute_Units_of_Measure: sq km Attribute: Attribute_Label: comments Attribute_Definition: Comments. Supplementary information. Textual values of no more than 255 characters. Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: (no value) Enumerated_Domain_Value_Definition: Information not available for this record. 203 records have no value for comments. Detailed_Description: Entity_Type: Entity_Type_Label: minerals Entity_Type_Definition: Mineralogy of the deposit as reported in scientific literature Attribute: Attribute_Label: rec_id Attribute_Definition: Record ID. Numerical identifier for the deposit, matches a value in main:rec_id. Integer values. Int of width 4. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 690 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: value Attribute_Definition: Mineralogy. Name of minerals reported as present in the deposit, without regard for their abundance. Most rock-forming minerals, such as feldspar, calcite, and quartz, are not included. Some variants of rock forming minerals that may be related to mineralization or alteration, such as Ag calcite, are included. Textual values of no more than 44 characters. Detailed_Description: Entity_Type: Entity_Type_Label: ref Entity_Type_Definition: Scientific literature consulted by the authors to characterize the deposit Attribute: Attribute_Label: rec_id Attribute_Definition: Record ID. Numerical identifier for the deposit, matches a value in main:rec_id. Integer values. Int of width 4. Attribute_Domain_Values: Range_Domain: Range_Domain_Minimum: 1 Range_Domain_Maximum: 690 Attribute_Measurement_Resolution: 1 Attribute: Attribute_Label: value Attribute_Definition: References. Papers and web sites that were used to describe the deposit. In a few cases unpublished sources were used. Textual values of no more than 255 characters. Distribution_Information: Distributor: Contact_Information: Contact_Person_Primary: Contact_Person: Peter N Schweitzer Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: 12201 Sunrise Valley Drive Mail Stop 954 City: Reston State_or_Province: VA Postal_Code: 20192-0002 Country: USA Contact_Voice_Telephone: 703-648-6533 Contact_Electronic_Mail_Address: pschweitzer@usgs.gov Resource_Description: USGS Open File Report 2008-1155 Distribution_Liability: This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards (or with the North American Stratigraphic Code). Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: Shapefile Format_Version_Number: 1.0 Format_Information_Content: Deposit locations with characteristics and references File_Decompression_Technique: unzip Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://tin.er.usgs.gov/porcu/porcu.zip Fees: none Metadata_Reference_Information: Metadata_Date: 20111212 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Peter N Schweitzer Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing address Address: 12201 Sunrise Valley Drive Mail Stop 954 City: Reston State_or_Province: VA Postal_Code: 20192-0002 Country: USA Contact_Voice_Telephone: 703-648-6533 Contact_Electronic_Mail_Address: pschweitzer@usgs.gov Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998