Mine Index 10069405 Addick Company/Crystal Fluorspar Company/Minerva Oil Company, Jefferson Mine,Humm Fluorspar Mines,Jefferson No. 1 and 2 Shafts
| Disclaimer | ||
|---|---|---|
| S-T-R | 23(N1/2SW)-12S-7E | |
| County: | Hardin | |
| Quadrangle: | Shetlerville | |
| District: | Fluorspar District | |
| Subdistrict: | Stewart Subdistrict | |
Mine Index Number: 10069405
| ISGS ID: | 9085,9094 | MSHA ID: | |
|---|---|---|---|
| MAS ID: | MRDS ID: | W006922 | |
| Company Name: | Minerva Oil Company, Addick Company, Crystal Fluorspar Company | ||
| Mine/Site Name: | Jefferson No. 1 and 2 Shafts, Jefferson Mine, Humm Fluorspar Mines | ||
| Active/Abandoned: | Abandoned | ||
| Start Date: | circa 1972 | End Date: | Unknown |
| Commodity Type: | Metallic, Non-Metallic | ||
| Commodity: | Fluorspar, Lead, Zinc | ||
| Minerals Present: | Galena, Fluorite, Sphalerite | ||
| Type of Mine: | Unknown | ||
| District: | Fluorspar District | Subdistrict: | Stewart Subdistrict |
| County: | Hardin | ||
| Section/Township/Range: | 23(N1/2SW)-12S-7E | ||
| Latitude,Longitude: | 37.4645099999998,-88.41226 | ||
| Unit(s) Mined: | Chesterian Series, Glen Dean Limestone, Renault Limestone | ||
| Feature(s) Mined: | Stewart_Fault | ||
| MRDS Link: | https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10069405 | ||
| Mindat link: | |||
Discussion
Humm and Jefferson seem to be two separate mines. See https://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10169308 for more info, not all has been entered here.
Ownership information
| Type | Operator |
| Owner | Miller - Addick Co. (Humm Mine); Crystal Fluorspar Co. (Jefferson Mine) |
| Type | Owner |
| Owner | Miller - Addickco. (Humm Mine); Crystal Fluorspar Co. (Jefferson Mine) |
HUMM MINE VEIN STRIKES N 20 - 31 DEG E., DIP NEAR VERTICAL, AVERAGE OF 2 M. WIDE, SHAFTS 40 - 55 M. DEEP. JEFFERSON MINE VEIN STRIKES N 30 DEG E. DIPS 80 DEG SE, AVERAGES 1.2 M. WIDE, SHAFT 80 M. DEEP. (WELLER 1952)
Mine Data/Information
Mine Data
Host and associated rocks
| Host or associated | Associated |
| Rock type | Plutonic Rock > Mafic Intrusive Rock |
| Rock unit name | Mafic Dikes And Breccia Bodies (Mafic-Alkalic) |
| Rock description | Mafic Dikes And Breccia Bodies (Mafic-Alkalic) |
| Stratigraphic age (youngest) | Early Permian |
| Stratigraphic age (youngest) | Early Permian |
| Stratigraphic age (youngest) | Mississippian |
| Stratigraphic age (youngest) | Mississippian |
| Host or associated | Host |
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Limestones |
| Rock description | Limestones |
Ore Body Information
| Width | 0M |
| Length | 0M |
| Area | 4HA |
| Field | Value |
| Type of Orebody #1 | FISSURE VEIN |
| Shape of Orebody #1 | TABULAR |
| Type of Orebody #2 | SHEAR ZONE |
| Type of Orebody #3 | BRECCIA FILL |
| Primary mode of Origin | HYDROTHERMAL |
| Secondary mode of Origin | CONT METASOMATIC |
| Primary Ore Control | FAULTING |
| Secondary Ore Control | IGNEOUS |
| Degree of Wallrock Alter. | UNKNOWN |
| Type of Wallrock Alter. #1 | UNKNOWN |
| Strike And Dip | N25E |
| Total Surface Area (HA) | 4 |
| Date of Last Modification | 820224 |
References
External Links
Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10069405https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10069405
Also referenced as 10169308