| Deposit ID | 10106754 |
|---|---|
| MRDS ID | I001522 |
| Record type | Site |
| Current site name | Darrahe-Nur |
| Geographic coordinates: | 70.54233, 34.65965 (WGS84) |
|---|
Political divisions (FIPS codes)
Nangarhar(province)
Afghanistan(country)
| Country | State |
|---|---|
| Afghanistan | Nangarhar |
| Commodity | Importance |
|---|---|
| Beryllium Critical | Primary |
| Feldspar | Primary |
| Niobium (Columbium) Critical | Tertiary |
| Tantalum Critical | Tertiary |
| Tin Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Beryl | Ore |
| Cassiterite | Ore |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | 70.54233, 34.65965 |
|---|
| Thickness | 3M |
|---|
| Development status | Producer |
|---|---|
| Commodity type | Both |
| Significant | No |
| District name | Darrahe-Nur Pegmatite Field |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | I001522 |
ABDULLAH, SH., CHMYRIOV, V.M., STAZHILO-ALAKSEEV, K.F., DRONOV, V.I., GANNAN, P.J., ROSSOVSKIY, L.N., KAFARSKIY, A.KH., AND MALYAROV, E.P., 1977, MINERAL RESOURCES OF AFGHANISTAN (2ND EDITION): KABUL, AFGHANISTAN, REPUBLIC OF AFGHANISTAN GEOLOGICAL AND MINERAL SURVEY, 419 P
| Subject category | Comment text |
|---|---|
| Deposit | OVER 40 PEGMATITES (LARGELY ALBITIZED MICROLINE) OCCUR IN THIS AREA. THE PEGMATITES ARE A FEW TENS TO A FEW HUNDREDS OF METERS LONG AND 0.3-3.0 M THICK. THE BERYL IS COARSELY-CRYSTALLINE AND COLUMBITE-TANTALITE AND CASSITERITE OCCUR AS MINUTE DISSEMINATED CRYSTALS. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1989 | Wells, Tina M. (Orris, Greta J.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.