| Deposit ID | 10068091 |
|---|---|
| MRDS ID | W001016 |
| Record type | Site |
| Current site name | Brookfield Lead Mine |
| Related records | 10119109 |
| Geographic coordinates: | -73.40554, 41.46699 (WGS84) |
|---|
Political divisions (FIPS codes)
Fairfield(county)
Connecticut(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Danbury(quadrangle 1:24,000 scale)
Bridgeport(quadrangle 1:100,000 scale)
Hartford(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Housatonic(hydrologic unit)
Connecticut Coastal(hydrologic accounting unit)
Connecticut Coastal(hydrologic subregion)
New England(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Connecticut | Fairfield |
| Commodity | Importance |
|---|---|
| Lead | Primary |
| Zinc Critical | Primary |
| Sulfur | Primary |
| Materials | Type of material |
|---|---|
| Sphalerite | Ore |
| Galena | Ore |
| Phlogopite | Gangue |
| Diopside | Gangue |
| Tremolite | Gangue |
| Dolomite | Gangue |
| Calcite | Gangue |
| Result | CHEMICAL ANALYSES OF SOUTH PIT ORE SAMPLE TAG NO. BCT 200 GIVES (IN PERCENT): 0.7 FE, 0.03 MG, 0.01 TL, AND IN PARTS PER MILLION: 1.5 AG, 50 BA, GT 1000 BI, 15 CU, 5 NI, AND AT LOWER LIMIT OF DETECTION: CA, MN, BE, CO, CR, PB, SC, V, Y, ZR, NOT DETECTED WERE AS, AU, LA, MO, NB, SB, SN, SR, W, AND ZN. FOR ORE SAMPLE FROM NORTH PIT TAG NO. BCT 201 GIVES (IN PERCENT): 1.0 FE, 10 MG, 20 CA, 0.07 TI, AND IN PARTS PER MILLION: 150 MN, 100 BA, 20 CR, 7 CU, 5 MO, 10 NI, 100 SR, 10 V, 300 ZN, 20 ZR, AND AT LOWER LIMIT OF DETECTION: B, BI, CO, PB, SC, Y, AND NOT DETECTED: AG, AS, AU, BE, CD, LA, NB, SB, SN, AND W. |
|---|
| Model code | 60 |
|---|---|
| USGS model code | 18c |
| Deposit model name | Skarn Zn-Pb |
| Mark3 model number | 22 |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Marble |
| (1) | -73.40554, 41.46699 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Significant | No |
| Production years | UNKNOWN |
| District name | Brookfield |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W001016 |
SCHAIRER, J. R., 1931, "MINERALS OF CONN.", CONN. GEOLOGICAL SURVEY, BULL. NO. 51, TEXT, PG. 107
PERCIVAL, 1842.
Schairer, J. R., 1931, "Minerals Of Conn.", Conn. Geol. Survey, Bull. No. 51, Text, Pg. 107.Schairer, J. R., 1931, "Minerals Of Conn.", Conn. Geol. Survey, Bull. No. 51, Text, Pg. 107.
Harte, C.R., 1945, "Conn. Minor Metals And Her Minerals," Conn. Society Of Civil Engineers, 61st Annual Report, Pg. 148-149Harte, C.R., 1945, "Conn. Minor Metals And Her Minerals," Conn. Society Of Civil Engineers, 61st Annual Report, Pg. 148-149
| Subject category | Comment text |
|---|---|
| Deposit | USGS, Geochem. Sample Control Files, Job No. Hm 3336, Sample Tag No. Bct 200 and Bct 201 Submitted By R. Weeks. ; Info.Src : 1 Pub Lit |
| Deposit | USGS, GEOCHEM. SAMPLE CONTROL FILES, JOB NO. HM 3336, SAMPLE TAG NO. BCT 200 AND BCT 201 SUBMITTED BY R. WEEKS. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1972 | D'Agostino, John P. | U.S. Geological Survey | Added Model_Num And Model |
| Updater | 21-AUG-1997 | Mchone, Nancy | Connecticut Geological and Natural History Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.