Counties, states, countries, continents, or oceans | |
Nelson | county |
Virginia | state |
United States | country |
North America | continent |
Land | continent |
Map quadrangles, from USGS or Canadian NTS | |
Montebello | quadrangle 1:24,000 scale |
Buena Vista | quadrangle 1:100,000 scale |
Roanoke | quadrangle 1:250,000 scale |
Watershed boundaries (USGS hydrologic units) | |
Middle James-Buffalo | hydrologic unit |
James | hydrologic accounting unit |
Lower Chesapeake | hydrologic subregion |
Mid Atlantic | hydrologic region |
Areas administered by US Federal agencies | |
George Washington National Forest | National Forest |
National Forest FS | Type of land area |
FS | Federal land areas administered by FS |
Unit | State | Lithology |
---|---|---|
Chilhowee Group | VA | Cambrian |
Leucocratic Granulite and Gneiss | VA | Proterozoic Y |
Megacrystic Charnockite | VA | Proterozoic Y |
Leucocharnockite | VA | Proterozoic Y |
ID | Data type | Description |
---|---|---|
Roanoke Quad. | M-Dz | Roanoke Quad. 11265 line km with spacing 0.80 km over parts of VA |
Roanoke | M/R-D | Roanoke 2784 line km with spacing 9.60 km over parts of VA |
Tract | Deposit Type | Mineralization age |
---|---|---|
SA20 | Low-sulfide Au-quartz vein | Paleozoic |
EC01 | Sandstone-hosted Pb-Zn | Paleozoic |
Domain | Crust type | Region |
---|---|---|
Laurentides | Passive margin | Southeastern Laurentia and Appalachians |
SCAB | Extensional accretionary orogen | Southeastern Laurentia and Appalachians |
Site ID | Land Cover | Secondary land cover |
---|---|---|
7324 | Forested Upland | Mixed Forest |
Sample ID | Sample source | Sample notes |
---|---|---|
D328985 | stream/river | STREAM SEDIMENT; stream |
D329052 | stream/river | STREAM SEDIMENT; stream |
D329119 | stream/river | STREAM SEDIMENT; stream |
Sample ID | Sample source | Sample notes |
---|---|---|
D329183 | stream/river | NON-MAGNETIC HEAVY MINERAL CONCENTRATE FROM STREAM SEDIMENT; stream |