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Sample F-69-b
NavDat sample number 5187 · TUFF
Sample
| Sample ID | F-69-b |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | upper member unwelded tuffs |
|---|
Location
| Latitude | 38.4301 |
|---|
| Longitude | -119.449 |
|---|
| Location | Little Walker Center |
|---|
| State / province | California |
|---|
| Formation | Eureka Valley Tuff |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 9.65 |
|
8.6 |
10.7 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.86 | | WT% | XRF |
| TIO2 | 0.92 | | WT% | XRF |
| AL2O3 | 17.3 | | WT% | XRF |
| FE2O3 | 4.34 | | WT% | XRF |
| FEO | 3.91 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 1.64 | | WT% | XRF |
| CAO | 3.15 | | WT% | XRF |
| NA2O | 3.64 | | WT% | XRF |
| K2O | 4.68 | | WT% | XRF |
| P2O5 | 0 | | WT% | XRF |
| LOI | 4.64 | | WT% | XRF |
| TOTAL | 99.62 | | WT% | XRF |
| RB | 0 | | PPM | XRF |
| SR | 0 | | PPM | XRF |
