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Mineral Resources On-Line Spatial Data

Porphyry copper deposits of the world

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Metadata:

Identification_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Data_Quality_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information

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://mrdata.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: