| Deposit ID | 10169501 |
|---|---|
| MAS/MILS ID | 0240050007 |
| Record type | Site |
| Current site name | Choate Mine |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -76.83387, 39.41193 (WGS84) |
| Elevation | 200 |
Political divisions (FIPS codes)
Baltimore(county)
Maryland(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Reisterstown(quadrangle 1:24,000 scale)
Baltimore(quadrangle 1:100,000 scale)
Baltimore(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Gunpowder-Patapsco(hydrologic unit)
Upper Chesapeake(hydrologic accounting unit)
Upper Chesapeake(hydrologic subregion)
Mid Atlantic(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Maryland | Baltimore |
| Commodity | Importance |
|---|---|
| Chromium Critical | Tertiary |
| Iron | Tertiary |
| Silica | Tertiary |
| Materials | Type of material |
|---|---|
| Aragonite | Unknown |
| Brucite | Unknown |
| Chalcedony | Unknown |
| Chromite | Unknown |
| Jasper | Unknown |
| Magnesite | Unknown |
| Serpentine | Unknown |
| Talc | Unknown |
| Ore Body (1) | -76.83387, 39.41193 |
|---|
| Strike | N00S | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 19E | ||||||||||||||||||||||
| |||||||||||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| District name | Soldiersdelight |
|---|
| Type of mineral rights | Fee Ownership |
|---|---|
| Type of mineral rights | Unknown |
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Dr Louis D Coriell |
| Interest | 100 |
| Home office | Maryland |
| Year | 1975 |
| Type | Operator |
|---|---|
| Owner | Maryland Chrome Corp. Of Baltimore Maryland |
| Home office | Maryland |
| Year | 1975 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0240050007 |
PEARRE N HEYL A U S G S BUL 1082K PGS 756-757
JERMAIN J D CONFIDENTIAL WAR MINERAL REPORT REGIONAL FILE 35
SINGEWALD J THE CHROME ORES OF MARYLAND MARYLAND GEOL SUR VO
PEARRE N HEYL A PA GEOL SUR IC 14 PG 16 1959
KNOPF E USGS BULL 725B PG 96 1921
| Subject category | Comment text |
|---|---|
| Deposit | REC 030 UTM LOCATION IS APPROXIMATE CENTER OF DEPOSIT REC 050 THE CHOATE MINE WAS OPENED SOMETIME BEFORE 1839 AND KED INTERMITTENLY UNTIL 1877 OR 1880 ACTIVITY STARTED IN 191 ED IN 1918 BECAUSE OF THE WAR ARMISTICE REC 080 COLS 53-58 & 63-68 THE CHROMITE OCCURS AS A SERIES O -L IRREGULAR LENSES VARYING IN WIDTH FROM 1.5 FT TO 4.0 FEET LENSES WERE SAID TO BE EXTREMELY IRREGULAR WITH A TENDENCY T -OR SWELL WITHIN SHORT DISTANCES THE ORE EXISTING AT THE APP OF MINE HAS AN AVERAGE WIDTH OF 1.5 FT THE AGGREGATE LENGTH -E LENSES IS REPORTED TO BE 120 FEET THE ORE BODY SEEMS TO H WIDENED CONSIDERABLY WITH DEPTH AT THE BOTTOM AN ORE LENS WA RTED TO EXTEND THE ENTIRE WIDTH OF THE 160 FOOT FACE AND TO SEVERAL INCHES TO 4.5 FT THICK DIPPING WESTWARD REC 060 THE CHROMITE ORE IS FOUND IN A GANGUE OF GREEN SERPE BOTH AS THE MASSIVE AND DISSEMINATED VARIETIES REC 020 OWNERSHIP DATA TAKEN FROM WMR REG FILE NO 356 JULY 1 REC 040 COLS 32-33 THE DOMAIN MAY NOW BE STATE OWNED AS THE OF A RECENT PROGRAM TO ACQUIRE LANDS AND DESIGNATE THEM AS E MENTAL ENHANCEMENT AREAS RECORD 040 COL 47 THE DOMAIN MAY NOW BE STATE OWNED AS THE R OF A RECENT PROGRAM TO ACQUIRE LANDS AND DESIGNATE THEM AS E OMENTAL ENHANCEMENT AREAS THESE AREAS ARE PART OF THE REGION EN SPACE SYSTEM REC 040 COLS 50-64 THIS AREA IS DESIGNATED AS A WATER RESOUR TE AND ENVIRONMENTAL ENHANCEMENT AREA IN THE GENERAL DEVELOP PLAN FOR THE BALTIMORE REGION SEPT 1972 PREPARED BY THE BALT COUNTY REGIONAL PLANNING COUNCIL A TELEPHONE CONVERSATION WI E SAME PLANNING BOARD INDICATED THAT THE STATE HAS PURCHASED TRACTS IN THE AREA FOR THE PURPOSE OF PRESERVING THE NATURAL RES IN THE AREA CALLED SOLDIERS DELIGHT STATE NATURAL ENVIRO NT AREA A FEW OF THE PLACER STREAMS DRAIN INTO LIBERTY LAKE ESERVOIR FOR THE BALTIMORE CITY AREA ENVIRONMENTAL PROBLEM PARTIAL CHEMICAL ANALYSES OF 4 SAMPLES OF CHROMITE FROM CHOA INDICATED AN AVERAGE CR2O3 OF 42.79%,FEO=14.4-24.96% AND SI PCT - 16.9 PCT. THE CR:FE RATIO RANGE 1:1.5 TO 2.9:1- ALTHO SAMPLE ANALYSES DO NOT MEET CURRENT GSA SPECS FOR DETERMININ E GRADE MOST OF THE ORES IN PA & MD WERE USED BY THE CHEM IN COSTING NOT DONE BECAUSE TONNAGE IS TOO LOW SINGEWALD 1928 I CATED THAT THE METHOD OF MINING HAD BEEN TO GOUGE OUT ALL TH ABLE ORE POSSIBLE LEAVING PILLARS OF ORE OR ROCK WHERE NECES 1975 COMMENTS 800-839 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Harrison | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.