| Deposit ID | 10096554 |
|---|---|
| MRDS ID | W031201 |
| Record type | Site |
| Current site name | Alger Prospect |
| Geographic coordinates: | -78.32555, 38.41643 (WGS84) |
|---|---|
| Elevation | 424 |
| Relative position | 2.9 KM (1.8 MI) SW OF AYLOR. |
Political divisions (FIPS codes)
Madison(county)
Virginia(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Madison(quadrangle 1:24,000 scale)
Charlottesville(quadrangle 1:100,000 scale)
Charlottesville(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Rapidan-Upper Rappahannock(hydrologic unit)
Lower Chesapeake(hydrologic accounting unit)
Lower Chesapeake(hydrologic subregion)
Mid Atlantic(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Virginia | Madison |
| Commodity | Importance |
|---|---|
| Sulfur-Pyrite | Primary |
| Materials | Type of material |
|---|---|
| Pyrite | Ore |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||||||
| Rock unit name | Old Rag Granite | ||||||||
| Rock description | Old Rag Granite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Gneiss |
| Rock unit name | Lovingston Formation |
| Rock description | Lovingston Formation |
| (1) | -78.32555, 38.41643 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Ne-Sw Trend, Blue Ridge Anticlinorium |
| Type of structure | Local |
| Structure description | Strike-Slip Fault (Strike Alters From North To Northeast In Vicinity Of Occurrence) |
| General form | IRREGULAR |
|---|---|
| Strike | N. 40 DEG. E. |
| Dip | 70 DEG. SE. |
| Thickness | 1M |
| Depth to top | 0M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | David M. Alger |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W031201 |
ALLEN, R.M., JR., 1963, GEOLOGY AND MINERAL RESOURCES OF GREENE AND MADISON COUNTIES: VIRGINIA DIVISION OF MINERAL RESOURCES, BULLETIN 78, 102 P
1960 GEOLMAP VA. DIV. MIN. RES.: INSPECTED SITE
| Subject category | Comment text |
|---|---|
| Deposit | PYRITE OCCURS AS LARGE CLUSTERS OF FRESH CRYSTALS WITHIN A WHITE, GLASSY QUARTZ VEIN. THE ABOVE FIGURES REFER TO THE VEIN, THE THICKNESS IS AN AVERAGE. ASSOCIATED WITH THE PYRITE ARE SMALL STRINGERS OF HARD, GRAY HEMATITE. |
| Deposit | EXAMINATION OF SEVERAL SMALL STREAMS DRAINING BLAKEY RIDGE SHOWED PYRITE IN ALLUVIUM SUGGESTING ADDITIONAL PYRITE ALONG TREND OF FAULT (ALLEN, 1963). ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1979 | Meintzer, Robert E. (Le Van, D.C.) | Virginia Division of Mineral Resources | |
| Updater | 01-JUN-1982 | Trimble, David, C. | Virginia Division of Mineral Resources |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.