BGS mineralogy and petrology collection record
| Sample number | MR20358 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Sand (Undifferentiated). 'Original entry: Silica Sand' |
| Stratigraphy | Not entered |
| Comments | silica sand, ,Collected by Pinchin Johnson and Associates: |
| Locality details | Ottawa Silica C0 (Miners & Shippers), Ottawa, Illinois,quarry,Enquiry file 7213, October 1956,USA |
| 50k map sheet | Not entered |
| Map reference | 41:20,88:50 |
| Year collected | 1956 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |