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Sample SSP7
NavDat sample number 54570 · TUFF
Sample
| Sample ID | SSP7 |
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| Rock name | TUFF |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Soda Springs, Sierra County, California [NE 1/4, NE 1/4, SE 1/4, SE 1/4, Sec 34, T 17 N, R 14 E, along Soda Springs Rd. at outlet to Ice Lakes] Stratigraphic section of both the lower and upper phase of the Nine Hill Tuff, lying without intervening sediment on a biotitic unwelded tuff of unknown affinity. Tuff in this section contains granitic lithic fragments up to 1 cm in size, similar to material in the BH samples. Un welded grey-white phenocryst poor, slightly pumiceous lower pahse tuff a few cm above the biotitic tuff, 2 m below a few-cm thick clay zone at the glassy/devitrivified transition. |
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Location
| Latitude | 39.2942 |
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| Longitude | -120.382 |
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| State / province | California |
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| Location comment | Soda Springs Road Stratigraphic Section |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 22.78 |
|
19.21 |
26.34 |
|
|
