| Deposit ID | 10067936 |
|---|---|
| MRDS ID | W000838 |
| Record type | Site |
| Current site name | Old Greensand-Diatomaceous Earth Pit |
| Related records | 10145282 |
| Geographic coordinates: | -76.69495, 38.70947 (WGS84) |
|---|---|
| Elevation | 6 |
| Relative position | SW OF DUNKIRK AT THE PATUXENT RIVER |
Political divisions (FIPS codes)
Calvert(county)
Maryland(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Lower Marlboro(quadrangle 1:24,000 scale)
Washington East(quadrangle 1:100,000 scale)
Washington(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Patuxent(hydrologic unit)
Upper Chesapeake(hydrologic accounting unit)
Upper Chesapeake(hydrologic subregion)
Mid Atlantic(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Maryland | Calvert |
| Commodity | Importance |
|---|---|
| Diatomite | Primary |
| Stone, Crushed/Broken | Primary |
| Materials | Type of material |
|---|---|
| Diatomaceous Earth | Ore |
| Marl | Ore |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Unconsolidated Deposit > Clay, Mud | ||||
| Rock unit name | Calvert Formation, Diatomaceous Clay | ||||
| Rock description | Calvert Formation, Diatomaceous Clay | ||||
| |||||
| (1) | -76.69495, 38.70947 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W000838 |
PEARRE, N.C., 1961, USGS MAP MR-12
| Subject category | Comment text |
|---|---|
| Deposit | THIS DEPOSIT IS ONLY REFERENCED ON THE PEARRE MAP. ; INFO.SRC : 4 OTHER SRC |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1972 | Wright, Nancy A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.