Location: | Appomattox County, Virginia, United States, North America |
Lat / long: | 36.48841, -78.92196 |
dep_id: | 10082518 |
mrds_id: | W055360 |
Commodity type: | metallic |
Major mineral: | Manganese |
Operation type: | Unknown |
Production size: | Small ammount of material produced |
Development status: | Past Producer |
ore: | Psilomelane |
gangue: | Jasper |
orebody_fm: | LENSOID AND NODULAR |
work_type: | Surface/Underground |
alteration: | Jasperization |
conc_proc: | Meteoric Ground Water And Hydrothermal Remobilization |
ore_ctrl: | Synsedimentary, Remobilized; Stratabound To Calcareous Quartzites, Marble |
Reporter: | As |
hrock_unit: | Mount Athos Member, Alligator Back Formation, Lynchburg Group |
hrock_type: | Quartzite,Marble,Mica Schist |
Structure: | Triassic Tectonism (?) |
tectonic: | Smith River Allocthon |
Year first produced: | 1957 |
yr_lst_prd: | 1957 |
disc_yr: | 1945 |
References: |
- ESPENSHADE, G.H., 1954, GEOLOGY AND MINERAL RESOURCES OF THE JAMES RIVER-ROANOKE RIVER MANGANESE DISTRICT, U.S. GEOLOGICAL SURVEY BULL. 1008, 155P
|