| Deposit ID | 10243171 |
|---|---|
| MAS/MILS ID | 0240310001 |
| Record type | Site |
| Current site name | Etchison Mine |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -77.15638, 39.25533 (WGS84) |
| Elevation | 165 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Montgomery(county)
Maryland(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Damascus(quadrangle 1:24,000 scale)
Frederick(quadrangle 1:100,000 scale)
Baltimore(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Potomac-Catoctin(hydrologic unit)
Potomac(hydrologic accounting unit)
Potomac(hydrologic subregion)
Mid Atlantic(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Maryland | Montgomery |
| Commodity | Importance |
|---|---|
| Aluminum Critical | Tertiary |
| Calcium | Tertiary |
| Chromium Critical | Tertiary |
| Iron | Tertiary |
| Magnesite | Tertiary |
| Silica | Tertiary |
| Ore Body (1) | -77.15638, 39.25533 |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Both |
| Significant | No |
| District name | Montgomery Co. |
|---|
| Type of mineral rights | Fee Ownership |
|---|---|
| Type of mineral rights | Unknown |
| Ownership category | Private |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0240310001 |
PEARRE N HEYL A JR USGS BULL 1082K PG 755 1960
| Subject category | Comment text |
|---|---|
| Deposit | ABOUT 1950 THE WORKINGS WERE BULLDOZED. OVER CHEMICAL ANALYSIS OF CHROMITE FROM ETCHISON MINE IS AS FOLLOWS 3 20.56% AL203 17.88% FEO 17.62% MGO 20.98% CAO 1.08% S102 1 42% H20 6.64% FROM USGS BULL 1082K TABLE 6 CR FE 1:1 SAMPLE ANALYSIS AS GIVEN IN USGS BULL 1082K TABLE 6 DOES NOT CURRENT GSA SPECS FOR DETERMINING THE TYPE GRADE ORE INFORMATION ABOUT THIS DISTRICT IS SPARSE. DATE OF COMMENTS 1975. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 03-NOV-1983 | Harrison | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.