← Search
Sample SBDCP19
NavDat sample number 60891 · TUFF
Sample
| Sample ID | SBDCP19 |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Busby and others |
|---|
| Comment | Block and ash flow tuff |
|---|
Location
| Latitude | 38.6855 |
|---|
| Longitude | -120.062 |
|---|
| Location | East Kirkwood |
|---|
| State / province | California |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 6.05 |
|
5.93 |
6.17 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 54.47 | | WT% | XRF |
| TIO2 | 1.08 | | WT% | XRF |
| AL2O3 | 17.88 | | WT% | XRF |
| FE2O3 | 7.55 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 3.62 | | WT% | XRF |
| CAO | 8.5 | | WT% | XRF |
| NA2O | 3.22 | | WT% | XRF |
| K2O | 1.77 | | WT% | XRF |
| CR | 16.7 | | PPM | XRF |
| P2O5 | 0.289 | | WT% | XRF |
