| Deposit ID | 10105462 |
|---|---|
| MRDS ID | W000518 |
| Record type | Site |
| Current site name | Broad Branch Road Quarries |
| Geographic coordinates: | -77.05385, 38.95336 (WGS84) |
|---|---|
| Relative position | 1 MI NE OF OLD NATIONAL BUREAU OF STANDARDS ALONG BROAD BRANCH |
Political divisions (FIPS codes)
District of Columbia(county)
District of Columbia(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Washington West(quadrangle 1:24,000 scale)
Washington West(quadrangle 1:100,000 scale)
Washington(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Potomac-Anacostia-Occoquan(hydrologic unit)
Potomac(hydrologic accounting unit)
Potomac(hydrologic subregion)
Mid Atlantic(hydrologic region)
Federal lands
Rock Creek Park(Other Designation)
Other Designation NPS(Type of land area)
NPS(Federal land areas administered by NPS)
| Country | State |
|---|---|
| United States | District of Columbia |
| Commodity | Importance |
|---|---|
| Stone, Dimension | Primary |
| Materials | Type of material |
|---|---|
| Granite | Ore |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||
| |||
| (1) | -77.05385, 38.95336 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W000518 |
DARTON, N.H., AND KEITH, A., 1901, USGS GEOLOGIC ATLAS OF US FOLIO 70, P. 7
WASHINGTON, H.S., 1921, JOUR. WASHINGTON ACAD. SCI., VOL. 11, NO. 19, PP. 461, 463, 464.
HIGGINS, M.W., 1972, GSA BULL, VOL 83, NO. 4, FIG. 1.
MERRILL, G.P., 1895, GSA. BULL., VOL. 6, PP 321-332.
| Subject category | Comment text |
|---|---|
| Deposit | ACCORDING TO REFERENCE 1, THIS GRANITE IS PROBABLY THE MIST VALUABLE BUILDING STONE IN THE VICINITY. TODAY THE AREA IS QUITE NEAR AN URBANIZED AREA. REFERENCE 2 CONTAINS A TABLE ANALYSIS OF THE GRANITE. AGE OF GRANITE FROM REF. 3. FURTHER ANALYSIS OF THE GRANITE FROM REF. 4. AN ADDITIONAL REF. TO THE QUARRY IS COULTER AND CARROLL, 1964, JOUR. WASH. ACAD. SCI., VOL. 54, NO. 5, P. 158. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-1972 | Wright, Nancy A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.