| Deposit ID | 10085438 |
|---|---|
| MRDS ID | W701029 |
| Record type | Site |
| Current site name | Barrio Pasto Deposits |
| Geographic coordinates: | -66.43363, 18.28955 (WGS84) |
|---|---|
| Relative position | ABOUT 4 MILES SOUTHWEST OF MOROVIS AND THE SAME DISTANCE SOUTHEAST OF CIALES |
Political divisions (FIPS codes)
Morovis Municipio(county)
Puerto Rico(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ciales(quadrangle 1:24,000 scale)
Puerto Rico C(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Puerto Rico(hydrologic accounting unit)
Puerto Rico(hydrologic subregion)
Caribbean(hydrologic region)
| Country | State |
|---|---|
| United States | Puerto Rico |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Bornite | Ore |
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Rock unit name | Avispa Formation |
| Rock description | Avispa Formation |
| (1) | -66.43363, 18.28955 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W701029 |
COX, DENNIS P., AND BRIGGS, REGINALD P., 1973, METALLOGENIC MAP OF PUERTO RICO: U.S. GEOLOGICAL SURVEY, MISCELLANEOUS GEOLOGIC INVESTIGATIONS MAP I-721, ACCOMPANIED BY EXPLANATORY PAMPHLET, 6 P.
MITCHELL, R.C., 1954, A SURVEY OF THE GEOLOGY OF PUERTO RICO: PUERTO RICO UNIV., AGR. EXPT. STA. TECH. PAPER 13, P. 107-8.
BRIGGS, R. P., 1969, CHANGES IN STRATIGRAPHIC NOMENCLATURE IN THE CRETACEOUS SYSTEM, EAST-CENTRAL PUERTO RICO: U.S. GEOLOGICAL SURVEY BULL. 1274-O, 31 P.
BERRYHILL, H. L., JR., 1965, GEOLOGY OF THE CIALES QUADRANGLE, PUERTO RICO: U.S. GEOLOGICAL SURVEY BULL. 1184, 116 P.
| Subject category | Comment text |
|---|---|
| Deposit | TWO TYPES OF ORE ARE PRESENT: (1) PRIMARY SULFIDES, INCLUDING PYRITE, CHALCOPYRITE, AND BORNITE, CLOSELY RELATED TO QUARTZ AND CALCITE; (2) OXIDATION AND SECONDARY ENRICHMENT HAS RESULTED IN FORMATION OF CHALCOCITE, MALACHITE, AZURITE, CHRYSOCOLLA, LIMONITIC PRODUCTS, AND SMALLER QUANTITIES OF RARER SECONDARY MINERALS. IN PLACES THERE IS TOTAL SUBSTITUTION OF CHALCOCITE FOR CHALCOPYRITE AND BORNITE, AND THROUGHOUT, VARIOUS STAGES OF SUBSTITUTION ARE EVIDENT. |
| Deposit | [PREVIOUS UPDATER: SCHELLEKENS, J.H., 91 07, UPR.] |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1990 | Paidakovich, Matthew E. | U.S. Geological Survey | |
| Updater | 01-SEP-1991 | Paidakovich, Matthew E. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.