| Deposit ID | 10069075 |
|---|---|
| MRDS ID | W002376 |
| Record type | Site |
| Current site name | Campo Formoso Iron |
| Geographic coordinates: | -40.33226, -10.51452 (WGS84) |
|---|
Political divisions (FIPS codes)
Bahia(province)
Brazil(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Brazil | Bahia |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Ore |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock |
| (1) | -40.33226, -10.51452 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W002376 |
MONTHLY REPORT, BRAZIL PROJECT, JANUARY 1969, HEDLUND, D.C
| Subject category | Comment text |
|---|---|
| Deposit | A GEOLOGIC ROAD LOG BETWEEN SENHOR DO BONFIM AND CAMPO FORMOSO INDICATES THE JACOBINA SERIES OR PRECAMBRIAN-B IS RELATIVELY COMPLEX. FROM EAST TO WEST THE METAMORPHIC SEQUENCE IS MADE OF SERICITIZED ARKOSIC QUARTZITE; BIOTITE SCHIST; IRON FORMATION WITH ALTERNATING CHERT AND HEMATITE; FINE GRAINED (GRAPHITIC) SCHIST; LIGHT TO MEDIUM RECRYSTALLIZED CHERT WITH SPARSELY DISSEMINATED PYRITE; PURPLE, FERRUGINOUS RECRYSTALLIZED CHERT; AND LIGHT GREEN TO LIGHT GRAY SERICITIC QUARTZITE. THE ENTIRE SECTION STRIKES N20-40E AND DIPS 50-60S. TRUE THICKNESS OF THE IRON FORMATION AND OTHER UNITS ARE DIFFICULT TO DETERMINE UNTIL DETAILED MAPPING IS DONE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1974 | Warfle, Thomas M. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.