Red Bank Mine (Goldbank Mine), Virgilina District, Halifax Co., Virginia, USA
|Latitude & Longitude (WGS84):||36° 35' 58'' North , 78° 44' 42'' West|
|Latitude & Longitude (decimal):||36.59945,-78.74500|
REF:Deposit:: LANEY, F.B., 1917, THE GEOLOGY AND ORE DEPOSITS OF THE VIRGILINA DISTRICT OF VIRGINIA AND NORTH CAROLINA: VIRGINIA GEOLOGICAL SURVEY BULLETIN 14, 176 P.
Deposit:: SWEET, P.C., 1971, GOLD MINES AND PROSPECTS IN VIRGINIA: VIRGINIA MINERALS, V.
Commodities (Major) - Gold
Development Status: Past Producer
Host Rock Unit: Unicoi Formation
Structure: Virgilina Synclinorium, NE-SW Trend
Host Rock: Greenstone, Meta-Basalt, Tuff
Tectonic Structure: Piedmont
4 valid minerals.
Rock Types Recorded
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Entries shown in red are rocks recorded for this region.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
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541 - 1000 Ma
Age: Neoproterozoic (541 - 1000 Ma)
Stratigraphic Name: Virgilina Greenstone
Description: Virgilina greenstone (Laney, 1917). Grayish-green, fine- to coarse-grained basaltic tuff, metavolcanic breccia, and porphyritic to amygdaloidal greenstone, with minor interlayered metasedimentary rocks. Hydrothermally mineralized zones occur within the greenstones; these contain bornite, chalcocite, and chalcopyrite, and have been mined for copper. Mineralogy: plagioclase + hornblende + chlorite + epidote + calcite + apatite + quartz + opaque minerals. Geophysical signature: linear positive magnetic anomaly. Watson (1911) used the term Virgilina Group for a wide belt of rocks in the vicinity of Virgilina, Virginia. Mafic metavolcanic rocks in this sequence were named Virgilina greenstone, and felsic metavolcanic rocks and associated metasedimentary rocks were named Aaron slate by Laney (1917). Kreisa (1980) refined Laney's stratigraphy in defining the Aaron Formation as containing upper and lower members equivalent to Laney's Aaron slate, and a middle member equivalent to the Virgilina greenstone. The stratigraphy was further modified by Harris and Glover (1985), who combined the middle and upper members of Kreisa's Aaron Formation to make the Virgilina Formation. Virgilina greenstone is herein used in the sense of Laney (1917), but is equivalent to the middle member of the Aaron Formation of Kreisa (1980), and the lower portion of the Virgilina Formation of Harris and Glover (1985) (Figure 2).
Comments: Carolina Slate Belt
Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052.