| Deposit ID | 10014016 |
|---|---|
| MRDS ID | D010621 |
| Record type | Site |
| Current site name | Lady Bug Mine |
| Alternate or previous names | Claims MS 10261: East Boston, Shackman, Goodie Queen, West Field, Nantucket, Topeka, Elwood Mill Site |
| Related records | 10240091 |
| Geographic coordinates: | -106.70672, 37.40641 (WGS84) |
|---|---|
| Elevation | 2938 |
| Relative position | 6.2 MILES S 75 W FROM SUMMITVILLE |
Political divisions (FIPS codes)
Rio Grande(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Elwood Pass(quadrangle 1:24,000 scale)
Antonito(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper San Juan(hydrologic unit)
Upper San Juan(hydrologic accounting unit)
San Juan(hydrologic subregion)
Upper Colorado(hydrologic region)
Federal lands
San Juan National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
South San Juan Wilderness(Wilderness)
Wilderness FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | Rio Grande |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 037N | 003E | 31 | SW | Colorado |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Zinc Critical | Primary |
| Gold | Secondary |
| Copper | Secondary |
| Cadmium | Secondary |
| Bismuth Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Pyrite | Ore |
| Sphalerite | Ore |
| Result | SAMPLES FROM OLDER PROSPECTS AND STOCKPILES NORTH OF LOWER PORTAL CONTAINED TRACE AU, 0.1 TO 1.4 OZ/TON AG, UP TO 0.06% CU, UP TO 0.15% PB, UP TO 7.9% ZN (VISIBLE SPHALERITE). VEIN SAMPLES FROM DRIFT IN LOWER TUNNEL CONTAINED TRACE TO 0.2 OZ/TON AG, UP TO 0.02% CU, UP TO 0.15% PB, 0.2% ZN. SECOND VEIN IN LATERAL CONTAINED 1.6 TO 1.9 OZ/TON AG, 0.6 TO 1.0% PB, 1 TO 4% ZN, 0.008 TO 0.016% CU. WEIGHTED AVERAGE METAL CONTENTS FOR 14 SAMPLES IN 5.3-FT-WIDE VEIN IN RAISE ARE 0.67 TO 0.72 OZ/TON AG, 0.06% PB, 4.2 TO 4.5% ZN, WITH TRACE AU, MINOR CU, 0.07 TO 0.5% CD (ASSOCIATED WITH SPHALERITE). WEIGHTED AVERAGE METAL CONTENTS FOR 4 SAMPLES ALONG UPPER TUNNEL ARE 3.8 OZ/TON AG, 2.7 TO 3.1% PB, 9.8 TO 11.2% ZN, WITH TRACE AU, MINOR CU, 0.01 TO 0.02% BI, 0.04 TO 0.3% CD. |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Monzonite | ||||||
| |||||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Rock unit name | Conejos Formation--Vent Facies;Intrusive Rocks--Monzonite |
| Rock description | Conejos Formation--Vent Facies;Intrusive Rocks--Monzonite |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Rock unit name | Conejos Formation--Vent Facies |
| Rock description | Conejos Formation--Vent Facies |
| (1) | -106.70672, 37.40641 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Volcanic Field |
| Type of structure | Local |
| Structure description | Platoro Caldera, Elwood Creek Fault Zone, Crater Creek Stock And Satellites |
| General form | POD |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1896 |
| Discoverer | Elwood Mining And Separating Co. (Claimant) |
| District name | Crater District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | San Juan N. F. |
| Type | Owner-Operator |
|---|---|
| Owner | Aztec Industries |
| Home office | Santa Fe, N.M. |
| First year | 1971 |
| Type | In-situ | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1975 | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Type of workings | Surface/Underground |
|---|---|
| Length | 338.33M |
| Overall length | 176.78M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010621 |
LINDQUIST, A.E., 1977, METALLIC AND COAL RESOURCES, IN MINERAL RESOURCES OF THE CHAMA-SOUTHERN SAN JUAN MOUNTAINS WILDERNESS STUDY AREA, MINERAL, RIO GRANDE, ARCHULETA, AND CONEJOS COUNTIES, COLORADO: USGS OPEN-FILE REPT. 77-309.
LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-828.
COLORADO DIV. MINES INF. REPTS.
BLM MINERAL SURVEY MS 10261
| Subject category | Comment text |
|---|---|
| Deposit | TUNNELS DRIVEN INTO ALTERED ANDESITE PORPHYRY OF CONEJOS FM VENT FACIES INTRUDED BY SMALL MONZONITE STOCK TO NE. LOWER TUNNEL INTERSECTS FAULT ZONE TRENDING N 57 E, 81 SE, AND CONTAINING GOUGE WITH MINOR PYRITE AND SPHALERITE. ON HANGING WALL IS VEIN OF FINE-GRAINED CRYSTALLINE QUARTZ WITH DISCONTINUOUS PODS AND STRINGERS OF SPHALERITE AND MINOR PYRITE CONTAINING HIGHER AG, PB, AND ZN VALUES THAN GOUGE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1983 | Schwochow, Stephen D. | Colorado Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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