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Sample F-13
NavDat sample number 5158 · ANDESITE
Sample
| Sample ID | F-13 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | dark grey to black trachyandesites |
|---|
Location
| Latitude | 38.3483 |
|---|
| Longitude | -119.377 |
|---|
| Location | Devils Gate Pack Station |
|---|
| State / province | California |
|---|
| Location comment | erupted around the margin and onto the floor of the caldera |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 10.7 |
|
10.69 |
10.71 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 56.54 | | WT% | XRF |
| TIO2 | 1.11 | | WT% | XRF |
| AL2O3 | 18.96 | | WT% | XRF |
| FE2O3 | 6.35 | | WT% | XRF |
| FEO | 5.73 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 2.21 | | WT% | XRF |
| CAO | 6.62 | | WT% | XRF |
| NA2O | 3.52 | | WT% | XRF |
| K2O | 3.27 | | WT% | XRF |
| P2O5 | 0.57 | | WT% | XRF |
| LOI | 1.34 | | WT% | XRF |
| TOTAL | 99.24 | | WT% | XRF |
| RB | 84.3 | | PPM | XRF |
| SR | 1103 | | PPM | XRF |
| SR87_SR86 | 0.7054 | | | MS |
