1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Santa Gertrudis

Plant in Sonora, Mexico with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Production statistics
  10. Reserves and resources
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10239744
MRDS ID MX00279
MAS/MILS ID 2010490040
Record type Site
Current site name Santa Gertrudis
Related records 10049063

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -110.49236, 30.62236 (WGS84)
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Sonora

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Ore Body (1) -110.49236, 30.62236
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Metallic
Deposit size Medium
Significant Yes
Discovery year 1986
Plant type Agglomeration
Plant subcategory Hydromet
Milling method Hydrometallurgy Unspecified

Comments on exploration

  • COMPLETED PHASE I DRILLING: 132 HOLES, 10,300M; 16 TARGETS; NEAR CURRENT MINE OPERATIONS. REPORTED GRADES (SEE REFS FOR DETAILS) RANGED FROM 1.1 TO 10.5 G/MT (MJ, 9/29/95 P 232; MJ, 7/7/1995, P 4). OXIDE GOLD. GRADES SIMILAR TO THOSE BEING MINED; SUFFICIENT RESERVES ADDED TO MINE THROUGH 1996. PHASE II DRILLING WILL START AND 5,200 M OF REVERSE CIRCULATION DRILLING WILL BE FINISHED BEFORE END OF 1995.
  • CAMPBELL RESOURCES IS CURRENTLY EXPLORING THE PROPERTY USING REVERSE CICULATION DRILLING ON TWO OF ITS PROSPECTS ON THE PROPERTY (1996).

Ownership information

  • Type Owner-Operator
    Owner Grupo Ariztgui
    Interest 51
    Home office Mexico
    Year 1992
  • Type Owner
    Owner Phelps Dodge
    Interest 49
    Home office Arizona
    Year 1992
  • Type Unknown
    Owner Campbell Resources
    Year 1995

Production statistics

  • Year 1995
    Accuracy Estimate
    Description Forecast Production By Owner 50000 Oz
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 1555174.05g

Reserves and resources

  • Type In-situ
    Estimate year 1994
    Indicated 6168856mt ore
    Demonstrated 6168856mt ore
    Total resources 6168856mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.469 g/mt Gold Major 1994

Comments on the reserve resource information

  • MINE DEVELOPMENT TO START IN 1990. PROPERTY IS OWNED 49% BY SONORAN MINING COMPANY (100% PHELPS DODGE) AND 51% BY A GROUP OF MEXICAN INVESTORS. LOCATION TAKEN FROM MRDS DATA BASE (ENTRY MX00279). PD 1989 ANNUAL REPORT LISTS 8 MILLION ST OF IDENT. RESERVES AT .07 OZ AU/ST. 1988 10K SHOWS AUDITED RESERVES OF 6.2 MILLION ST. AT .07.

Reference information

Bibliographic references

  • Production

    NORTHERN MINER, MAY 8, 1995, P. 10.

  • Deposit

    MINING JOURNAL, SEP 29, 1995, P 232

  • Deposit

    MINING JOURNAL, JUL 7, 1995, P 4

  • Deposit

    PAY DIRT, "PHELPS DODGE MAY SELL OR JOINT VENTURE 2 GOLD

  • Deposit

    PROPERTIES", APRIL 1994, P. 19B.

  • Deposit

    THE NORTHERN MINER, 11-25-96, P.3.

  • Deposit

    CAMPBELL RESOURCES INC. PRESS RELEASE: 7-11-96 AND 11-14-96.

General comments

Subject category Comment text
Deposit SAME AS USGS MRDS MX00279 PD REPORTEDLY SOLD ITS 49% SHARE IN THE PROPERTY IN 1994, BUT THE BUYER IS NOT KNOWN (SEE PD 1994 FORM 10-K).

Reporter information

Type Date Name Affiliation Comment
Reporter 16-APR-97 Unknown U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

  • Phelps Dodge — acquired by Subsidiary of Freeport-McMoRan (2007)
    Acquired by Freeport-McMoRan Copper & Gold in 2007 in what was then the largest mining-industry deal ever (~US$26 B).

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.

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