BGS mineralogy and petrology collection record
| Sample number | MR35427 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Chert. 'Original entry: Chert' |
| Stratigraphy | Not entered |
| Comments | chert, Franciscan Blueschists,Collected by Dr Forbes Robertson:3 |
| Locality details | Creek bed just S of Hy. 152, c. 1� miles W of junction with Dinosaur Point Road, Pacheco Pass, California.,surface exposure,Franciscan Blueschist facies,USA |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | 1981 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |