| Mine: |
BULL NECK MINE |
| City: |
|
Mine ID: |
337383 |
|
| County |
FAIRFAX |
Seq Nbr: |
W000348 |
|
| State |
VIRGINIA |
Latitude |
38.9653 |
|
| Country |
USA |
Longitude |
-77.2161 |
|
| Alternate Mine Names |
|
|
|
|
|
| Topographic Map |
| Map Name |
Map Scale |
250′ Quad Map |
| FALLS CHURCH |
FALLS CHURCH |
WASHINGTON |
| Map Coordinates |
| Meridian |
Township |
Range |
Section |
Sub Section |
|
|
|
|
|
| Zone |
Hemisphere |
Northing |
Easting |
|
| 18 |
|
4315060 |
307990 |
|
| Geology and Ore Deposit Information |
| Deposit Model |
Deposit Type |
Deposit Size |
Deposit Age |
Deposit Form |
| LOW-SULFIDE AU-QUART |
PLACER, VEIN/SHEAR ZONE |
LINEAR |
POST DEV |
|
| Deposit Desc: |
OPERATED FIRST AS A PLACER REMOVING RESIDUAL GOLD IN ALLUVIUM. |
| Local Structure |
AVERAGE SCHISTOSITY STRIKES N 15 DEG E |
| Non-Ore Minerals |
QUARTZ, GALENA, CHALCOPYRITE, BORNITE, CHLORITE, SERICITE, FELDSPAR, TALC |
| Ore Minerals |
NATIVE GOLD, AURIFEROUS PYRITE |
| Mineral Occurrences |
| Mineral Species |
Variety |
Strunz |
Frequency |
| BORNITE |
Not Specified |
2/B.02-30 |
Reported |
| CHALCOPYRITE |
Not Specified |
2/C.03-10 |
Reported |
| CHLORITE |
Not Specified |
|
Reported |
| FELDSPAR |
Not Specified |
|
Reported |
| GALENA |
Not Specified |
2/C.15-40 |
Reported |
| GOLD |
Native |
1/A.01-40 |
Reported |
| Gold |
Not specified |
1/A.01-40 |
Reported |
| Muscovite |
Not specified |
8/H.10-70 |
Reported |
| MUSCOVITE |
SERICITE |
8/H.10-70 |
Reported |
| PYRITE |
Not Specified |
2/D.17-30 |
Reported |
| QUARTZ |
Not Specified |
4/D.01-10 |
Reported |
| Siderite |
Not specified |
|
Reported |
| TALC |
Not Specified |
8/H.09-40 |
Reported |