BGS mineralogy and petrology collection record
Sample number | MR20671 |
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Sample Donor | Not entered |
Rock name | Granite, Pegmatitic. 'Original entry: Pegmatitic Biotite Granite' |
Stratigraphy | Not entered |
Comments | pegmatitic biotite granite, ,Collected by T C F Hall:235 |
Locality details | Old fort, Tang Ah San Sung,surface exposure,North Korea |
50k map sheet | Not entered |
Map reference | Not entered |
Year collected | 1956 |
Bore name | Not applicable |
Confidentiality | No restrictions |