| Deposit ID | 10105203 |
|---|---|
| MRDS ID | TC34630 |
| Record type | Site |
| Current site name | El Topacio |
| Alternate or previous names | Includes El Mico Vein |
| Geographic coordinates: | -84.58326, 12.08431 (WGS84) |
|---|---|
| Elevation | 200 |
| Location accuracy | 10000(meters) |
| Relative position | ABOUT 70-90 KM ESE OF LA LIBERTAD, 160 KM E OF MANAGUA |
Political divisions (FIPS codes)
Nicaragua(country)
North America(continent)
Land(continent)
| Country |
|---|
| Nicaragua |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Copper | Tertiary |
| Zinc Critical | Tertiary |
| Lead | Tertiary |
| Cobalt Critical | Tertiary |
| Arsenic Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Pyrite | Ore |
| Result | 10'S OF PPM PB, 1-3 PPM CO, 10'S TO 100'S OF PPM AS |
|---|
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) | ||
| |||
| (1) | -84.58326, 12.08431 |
|---|
| Strike | N43-80E |
|---|---|
| Dip | 70N TO VERTICAL |
| Length | 1000M |
| Width | 4M |
| Depth to top | 0M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Production years | 1912-1917? |
| District name | Topacio |
|---|
| Type | Operator |
|---|---|
| Owner | Imisa (Mining Investments Sa) ) |
| First year | 1991 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1993 | ||||||||||||||
| Total resources | 588709000mt ore | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | TC34630 |
HOLCAPEK P., F., 1980, INFORME SUMARIO SOBRE LA MINA TOPACIO, DTO. ZELAYA, 10/3/80, MANAGUA, CONDEMINAH.
MCDONALD, S.A., 1938, INFORME SOBRE LA INSPECCION PRELIMINAR A LA MINA TOPACIO, DPTO. ZELAYA: MANAGUA, NICARAGUA.
SUNDBLAD, KRISTER, 1985, TRACE ELEMENT DISTRIBUTION IN THE NICARAGUAN AURIFEROUS DEPOSITS - A RECONAISSANCE STUDY: MANAGUA, NICARAGUA, SGAB, 12 P.
ANON, 1992, NICARAGUAN PRIVITISATION: MINING JOURNAL, LONDON, SEPTEMBER 11, 1992, V. 319, NO. 8190, P. 175.
U.S. EMBASSY MANAGUA, 1993, A LOOK AT NICARAGUA'S MINING SECTOR: DEPARTMENT OF STATE CABLE, 8/93.
CIMRI
| Subject category | Comment text |
|---|---|
| Deposit | IN WIDER SECTIONS, BARREN HORSES ARE FOUND. TOPACIO "DISTRICT" IS ABOUT 7 KM LONG AND 1 KM WIDE WITH 10 IMPORTANT VEINS AND NUMBERS OF VEINLETS, WITH EL MICO REPRESENTING 50% OF THE PRODUCTION. HOMOGENIZATION TEMPERATURE IN FLUID INCLUSIONS 220-240 DEGREES C, SALINITIES 1.0-2.1 WEIGHT % NACL EQUIVALENT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1992 | Carbonaro, Marguerite M. (Venable, M.) | U.S. Geological Survey | |
| Updater | 01-DEC-1993 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.