Twin Peaks Quarry

Producer in Pima county in Arizona, United States with commodities Limestone, General, Stone, Crushed/Broken, Cement Rock
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10060229
MRDS ID TC10196
Record type Site
Current site name Twin Peaks Quarry
Alternate or previous names Rillito Cement Plant Quarry
Related records 10210571

Geographic coordinates

Geographic coordinates: -111.19125, 32.35567 (WGS84)
Relative position 2 MILES NE OF AVRA.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Avra(quadrangle 1:24,000 scale)

Silver Bell Mountains(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brawley Wash(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 012S 011E 26 Arizona

Comments on the location information

  • 5 MILES FROM THE RILLITO CEMENT PLANT WHICH IS AT 32-24-49N, 111-08-16W (SEC 5, T12S, R12E).

Commodities

Commodity Importance
Limestone, General Primary
Stone, Crushed/Broken Primary
Cement Rock Primary

Comments on the commodity information

  • MATERIAL THAT IS TOO HIGH IN SILICA OR MORE THAN 6% MGO IS CRUSHED, SIZED, AND SOLD AS AGGREGATE.

Materials information

Materials Type of material
Limestone Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Naco Group Limestone;Horquilla Limestone;Escabrosa Limestone;Martin Formation
    Rock description Naco Group Limestone;Horquilla Lst;Escabrosa Lst;Martin Formation

Nearby scientific data

(1) -111.19125, 32.35567

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Small
Significant No

Ownership information

  • Type Owner-Operator
    Owner Arizona Portland Cement Co.
    First year 1994

Comments on the production information

  • PRODUCTION CAPACITY IS 1.1 MILLION ST CEMENT/YEAR.

Comments on the workings information

  • DEPOSIT IS SELECTIVELY MINED TO PRODUCE A LOW MAGNESIA, CONTROLLED-SILICA LIMESTONE.

Comments on development

  • ECON.COM: LIMESTONE USED AT THE RILLITO CEMENT PLANT WHICH HAS AN ANNUAL CAPACITY OF 1.1 MILLION TONS.

Reference information

Bibliographic references

  • Deposit

    PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.

  • Deposit

    DIRECTORY OF ACTIVE MINES IN ARIZONA: ARIZONA DMR, SEPT. 1983.

  • Deposit

    PEIRCE, H.W., 1990, ARIZONA GEOLOGICAL SURVEY INDUSTRIAL MINERALS CARD FILE.

  • Deposit

    PHILLIPS, K.A., 1992, MINERAL ECONOMICS OF INDUSTRIAL MINERALS IN SOUTHEASTERN ARIZONA, IN HOUSER, B.B., ED., INDUSTRIAL MINERALS OF THE TUCSON AREA AND SAN PEDRO VALLEY, SOUTHEASTERN ARIZONA: TUCSON, ARIZONA, ARIZONA GEOLOGICAL SOCIETY FIELD TRIP, APRIL 4-5, 1992, GUIDEBOOK, P. 23-36.

  • Deposit

    PHILLIPS, K.A., BEARD, R.R., NIEMUTH, N.J., AND BAIN, D.R., 1991, ACTIVE MINES IN ARIZONA--1992: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 39, 20 P.

  • Deposit

    KUPFERMAN, S.A., 1987, THE GEOLOGY OF CEMENT RAW MATERIALS: PACIFIC SOUTHWEST, IN PEIRCE, H.W., ED., PROCEEDINGS OF THE 21ST FORUM ON THE GEOLOGY OF INDUSTRIAL MINERALS: ARIZONA BUREAU OF GEOLOGY AND MINERAL TECHNOLOGY GEOLOGICAL SURVEY BRANCH SPECIAL PAPER 4, P. 37-43.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit THE LIMESTONE IS TYPICALLY SILICEOUS AND CONTAINS ZONES OF DOLOMITIC LIMESTONE, QUARTZITE, AND SILTSTONE. THE LIMESTONE CONTAINS SUFFICIENT SILICA THAT NO ADDITIONAL SOURCE OF SILICA IS NEEDED FOR PORTLAND CEMENT PRODUCTION. ROCK THAT IS TOO HIGH IN SILICA OR MAGNESIA IS CRUSHED AND SIZED AND SOLD AS AGGREGATE. THE HORQUILLA LST TYPICALLY CONSISTS OF FINE GRAINED, LIGHT YELLOWISH GRAY LIMESTONE INTERBEDDED WITH SHALEY OR SILTY LIMESTONE. THE ESCABROSA LST CONSISTS OF WHITE TO LIGHT GRAY LIMESTONE IN THE UPPER AND MIDDLE PARTS OF THE FORMATION AND LIGHT TO DARK GRAY DOLOMITE AND LIMESTONE IN THE LOWER SECTION. THE MARTIN FORMATION CONSISTS MOSTLY OF VERY FINE TO FINE GRAINED, LAMINATED TO THIN BEDDED, AND MEDIUM DARK GRAY TO OLIVE GRAY DOLOMITE.
Deposit THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD TC10355 OF TINA WELLS WHICH HAS BEEN DELETED FROM MAIN MRDS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1989 Bolm, Karen S. U.S. Geological Survey
Updater 01-APR-1993 Orris, Greta J. U.S. Geological Survey
Updater 01-MAY-1995 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.