| Deposit ID | 10067716 |
|---|---|
| MRDS ID | W000523 |
| Record type | Site |
| Current site name | Quarry In the Vicinity of Georgetown |
| Geographic coordinates: | -77.05746, 38.91809 (WGS84) |
|---|---|
| Elevation | 30 |
| Relative position | JUST N. OF MASSACHUSETTS AVE. AT ROCK CREEK |
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)
| Country | State |
|---|---|
| United States | District of Columbia |
| Commodity | Importance |
|---|---|
| Stone, Dimension | Primary |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||
| |||
| (1) | -77.05746, 38.91809 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| Production years | AROUND 1900 AND EARLIER |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W000523 |
DARTON, N.H., AND KEITH, A., 1901, USGS GEOLOGIC ATLAS OF US FOLIO 70, P.7.
HIGGINS, M.W., 1972, GSA BULL., VOL. 83, NO. 4, FIG 1.
| Subject category | Comment text |
|---|---|
| Deposit | QUARRY SYMBOL ON ECONOMIC GEOLOGY SHEET OF FOLIO PLACES QUARRY IN GRANITE, BUT TEXT SAYS QUARRY IN DIORITE. MAYBE GRANITE OVERLIES DIORITE IN THIS AREA. AGE OF ROCK FROM REF. 2. ; 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.