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

Torlon

Past Producer in Guatemala with commodities Lead, Zinc, Silver
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10106488
MRDS ID W701850
Record type Site
Current site name Torlon

Geographic coordinates

Geographic coordinates: -91.52011, 15.37082 (WGS84)
Relative position 15 MILES NW OF CHIANTLA IN FOOTHILLS OF SIERRA DE LOS CUCHUMANTANES

Site location context

Political divisions (FIPS codes)

Guatemala(country)

North America(continent)

Land(continent)

Geographic areas

Country
Guatemala

Commodities

Commodity Importance
Lead Primary
Zinc Critical Secondary
Silver Secondary

Materials information

Materials Type of material
Galena Ore
Pyrite Ore

Analytical data

Result PB ISOTOPE DATA IN KESLER AND OTHERS (1990) ON 2 GALENAS.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Chochal Formation
    Rock description Chochal Formation
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -91.52011, 15.37082
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Miogeosyncline

Ore body information

  • General form LENSES
    Thickness 36.58M
    Length 426.72M
    Width 106.68M

Comments on the geologic information

  • DEPOSITS NEAR CONTACT OF LIMESTONE AND SERPENTINITE WHICH IS A FAULT STRIKING NW AND DIPPING STEEPLY. SULFUR ISOTOPES FOR GALENA-SPHALERITE PAIRS SUGGEST TEMPERATURES OF DEPOSITION 0-100 DEGREES C AND 150-250 DEGREES C (KESLER AND ASCARRUNZ-K., 1973).

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1755

Mining district

District name Chiantla-San Sebastian District

Ownership information

  • Type Owner
    Owner Recinos Family, At Least To 1957

Comments on the production information

  • IN PRODUCTION FOR MORE THAN 200 YEARS, IN 1944 IT WAS PRODUCING ABOUT 5 SHORT TONS OF PB PER MONTH.

Comments on the workings information

  • FRACTURE ALONG BEDDING; STOPE 160 X 80 X 35 FT VERDE ADIT: EXPLORES SERPENTINE ADIT 4: 295 FT WEST TREND IN LIMESTONE ADIT H: IN LIMESTONE RUBBLE ADIT A: ABOUT 300-400 FT OF WORKING EXPOSES ORE IN LIMESTONE WITH GALENA VEIN AND POCKETS ADIT B: EXPOSES ALTERED LIMESTONE WITH GALENA AND PB-ZN CARBONATES, SAMPLE ASSAYED 13.6% PB, 25.2% ZN ADIT N & M ARE POROUS CARBONATE ORES WITH ZN CONTENT GREATER THAN PB SANTA ROSA WORKINGS ARE OPEN PIT ALL WORKINGS ONLY EXPLORE OXIDIZED ZONE.
  • ADIT 1: ENTIRELY IN SERPENTINITE, 300 FT LONG WITH RAISE OF 75 FT THAT IS REPORTED TO HAVE CUT ORE NO. 2 WORKINGS: 2 ADITS EXPLORE SERPENTINE-LIMESTONE CONTACT-ONE OBSERVED IN RAISES ABOVE THE ADITS SAMPLE ASSAYS 9.1% PB, 18.7% ZN, 1.3 OZ/TON AG, ORE FLAT TO GENTLE DIPPING LENSES. ANOTHER SAMPLE ASSAYED 12.3% PB, 2.9% ZN, 0.27 OZ/TON AG. SAN JUAN WORKINGS: STOPES, ADITS AND SHAFT ESPLORE IRREGULAR ORE BODY IN LIMESTONE: ASSAYS RANGE, 4.7-10.3% PB, 7.3-36.0% ZN, 0.8-1.2 OZ/TON AG (ALL SAMPLES FROM STOPE WALLS WHERE MATERIAL WAS NOT MINED AND IS PROBABLY LOW GRADE) GALERIA NUEVA (LA CANADA ADIT): ABOUT 400 FT E-W, ADIT CROSSES FAULT BETWEEN SERPENTINE AND LIMESTONE LOS RAMOS WORKING: ADITS EXPLORE OREBODY IN N TRENDING, 65-80E DIPPING FAULT ZONE IN LIMESTONE; STOPE 165 X 35 X 68 FT; ASSAYS: 17.3% PB, 13.3% ZN, 1.4 OZ/TON AG; 10.7% PB, 14.9% ZN, 2.3 OZ/TON AG ADIT F: EXPLORES GROUND IN LIMESTONE BY CURVING INCLINE ADIT 3: EXPLORES OREBODIES IN N TO NW TRENDING, E DIPPING

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit UNKNOWN SIZE CRITERIA AS REPORTED BY ICAITA ; INFO.SRC : 1 PUB LIT
Deposit IRREGULAR REPLACEMENT ALONG BEDDING AND ADJACENT TO A FAULT ZONE. SIZE GIVEN FOR ORE ZONE, THICKNESS IS DEPTH.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1990 Bliss, James D. U.S. Geological Survey
Updater 01-JAN-1992 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site