| Deposit ID | 10068876 |
|---|---|
| MRDS ID | W002148 |
| Record type | Site |
| Current site name | Buldibuyo Gold 60 |
| Alternate or previous names | Leguia Adit Veins: Santa Teresa, Bancos Bajos, Bancos Altos, Chipocos, Santa Barbara |
| Geographic coordinates: | -77.39975, -8.57468 (WGS84) |
|---|---|
| Elevation | 3500 |
| Relative position | 400 KM FROM TRUJILLO, BULDIBUYO IS 35 KM BY ROAD SE OF PARCOY, IS THE MOST SOUTHERLY OF THE IMPORTANT GOLD PRODUCERS OF PATAZ. LA ESTRELLA DEPOSIT IS 2.5 KM EAST OF HUAYLILLAS, 5 KM. NNW OF TAYABAMBA, AND 10-15 KM SE OF BULDIBUYO AT ALTITUDE 3500 METERS. |
Political divisions (FIPS codes)
La Libertad(province)
Peru(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Peru | La Libertad |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Electrum | Ore |
| Galena | Ore |
| Pyrrhotite | Ore |
| Sphalerite | Ore |
| Hematite | Gangue |
| Quartz | Gangue |
| Result | AG IN GALENA 1.0-1.5 KG/MT |
|---|---|
| Result | ELECTRUM (3 SAMPLES) AU = 58.7 WEIGHT % |
| Result | AG = 40.6 WEIGHT %, 0.37-1.07% CU |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Rock unit name | Pataz Batholite;Pataz Batholith |
| Rock description | Pataz Batholite;Pataz Batholith |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -77.39975, -8.57468 |
|---|
| Name | GENERAL DEPOSIT |
|---|---|
| General form | SOME VEINS ARE LENTICULAR |
| Strike | NE TO E}NE-NNE}NE}N60E}E}NE |
| Dip | 15N}30NW}}45-60NW}25-35N}50 NW |
| Plunge | STEEP W |
| Thickness | 0.3M |
| Length | 800M |
| Width | 600M |
| Depth to bottom | 400M |
| Name | SANTA TERESA VEIN |
|---|---|
| General form | SOME VEINS ARE LENTICULAR |
| Strike | NE TO E}NE-NNE}NE}N60E}E}NE |
| Dip | 15N}30NW}}45-60NW}25-35N}50 NW |
| Thickness | 0.15M |
| Length | 1000M |
| Width | 700M |
| Depth to bottom | 300M |
| Name | BANCOS BAJOS VEIN |
|---|---|
| General form | SOME VEINS ARE LENTICULAR |
| Strike | NE TO E}NE-NNE}NE}N60E}E}NE |
| Dip | 15N}30NW}}45-60NW}25-35N}50 NW |
| Thickness | 0.05M |
| Length | 150M |
| Width | 100M |
| Name | BANCOS ALTOS VEIN |
|---|---|
| General form | SOME VEINS ARE LENTICULAR |
| Strike | NE TO E}NE-NNE}NE}N60E}E}NE |
| Dip | 15N}30NW}}45-60NW}25-35N}50 NW |
| Thickness | 0.07M |
| Length | 200M |
| Width | 200M |
| Name | CHIPOCOS VEIN |
|---|---|
| General form | SOME VEINS ARE LENTICULAR |
| Strike | NE TO E}NE-NNE}NE}N60E}E}NE |
| Dip | 15N}30NW}}45-60NW}25-35N}50 NW |
| Length | 200M |
| Name | SANTA BARBARA VEIN |
|---|---|
| General form | SOME VEINS ARE LENTICULAR |
| Dip | 15N}30NW}}45-60NW}25-35N}50 NW |
| Length | 60M |
| Development status | Prospect |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1937 |
| District name | Buldibuyo |
|---|
| Type | Operator |
|---|---|
| Owner | Compania Aurifera Buldibuyo Limitada ). |
| First year | 1934 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W002148 |
SIMONS, FRANK, 1960, USGS UNPUB. REPORT P. 438
PERU-MAPA METALOGENETICO, 1969, AND, GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969.
BROGGI
WELTER, OTTO, 1941
NOBLE, D.C. AND VIDAL, C.E., 1994, GOLD IN PERU: SEG NEWSLETTER, APRIL 1994, NO. 17, P. 1, 6-13.
1960 COMPILE FRANK SIMONS, UNPUB. REP
F. SIMONS, 1969, UNPUB. REP., SIMMONS (1960)
METALLOGENIC MAPS OF PERU. 1969, 1972
| Subject category | Comment text |
|---|---|
| Deposit | DESCRIPTION OF THE MAIN VEINS AT BULDIBUYO FOLLOWS. VEIN MATERIAL, IN GENERAL, CONSISTS MAINLY OF MILKY QUARTZ, AND AURIFEROUS PYRITE WITH MINOR AMOUNTS OF ARSENOPYRITE, PYRRHOTITE, SPHALERITE, GALENA, CHALCOPYRITE, AND HEMATITE. SPHALERITE AND ARSENOPYRITE APPEAR TO INCREASE AT DEPTH. GOLD IS CONTAINED LARGELY IN PYRITE, CONTAINING 15-200 G/TON/AU. ARSENOPYRITE IS REPORTED TO CONTAIN 20-150 G/TON/AU AND PYRRHOTITE 5-15 G/TON/AU; PYRRHOTITE IS MORE ABUNDANT THAN PYRITE WHERE VEIN WALLS ARE CALCAREOUS SHALE. GOLD IS VERY FINE-GRAINED, GENERALLY BEING INVISIBLE AT LESS THAN 1000 DIAMETERS MAGNIFICATION. GALENA IS LATE, APPEARING IN POCKETS OR VEINLETS IN PYRITE, CARRYING 1-1.5 KG SILVER PER TON. THE ORE SHOOTS OF THE SANTA TERESA VEIN PLUNGE (RAKE) STEEPLY WEST. THERE ARE TWO LARGE ONES AND SEVERAL SMALLER ONES. THE BANCOS BAJOS VEIN CONTAINS 4-6 G/T AU AND LIES 150 M VERTICALLY ABOVE THE END OF SANTA TERESA VEIN. BANCOS ALTOS CARRIES ABOUT 8 G/T AU AND IS 150-200 M HORIZONTALLY NW |
| Deposit | OF NE END OF SANTA TERESA VEIN. ORE OF THE CHIPOCOS VEIN IS LOW GRADE. IT IS 150 M E OF BANCOS ALTOS VEIN. THE SANTA BARBARA VEIN HAS OXIDXED ORE AS MUCH AS 60 G/T AU. IT IS 500-600 M SOUTH OF SANTA TERESA VEIN. |
| Deposit | First Production Year: PRESENT OPERATOR STARTED PRODUCTION-1937. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1974 | Shaffer, Glenn L. | U.S. Geological Survey | |
| Updater | 01-MAY-1994 | Page, Norman J. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.