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Sample F-64
NavDat sample number 5182 · ANDESITE
Sample
| Sample ID | F-64 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | erupted on top of the darker trachyandesites or onto sediments contained within the caldera |
|---|
Location
| Latitude | 38.2749 |
|---|
| Longitude | -119.377 |
|---|
| Location | Rickey Peak |
|---|
| State / province | California |
|---|
| Location comment | medium to light grey trachyandesites |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33.4 |
|
1.8 |
65 |
Tertiary |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 58.18 | | WT% | XRF |
| TIO2 | 0.98 | | WT% | XRF |
| AL2O3 | 16.8 | | WT% | XRF |
| FE2O3 | 6.72 | | WT% | XRF |
| FEO | 6.05 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| MGO | 2.75 | | WT% | XRF |
| CAO | 5.97 | | WT% | XRF |
| NA2O | 3.72 | | WT% | XRF |
| K2O | 3.02 | | WT% | XRF |
| P2O5 | 0.35 | | WT% | XRF |
| LOI | 0.58 | | WT% | XRF |
| TOTAL | 98.6 | | WT% | XRF |
| RB | 107 | | PPM | XRF |
| SR | 864 | | PPM | XRF |
