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Sample F-2
NavDat sample number 5152 · LATITE
Sample
| Sample ID | F-2 |
|---|
| Rock name | LATITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | light grey trachyandesite, rhyodacite, and quartz latite domes and flows |
|---|
Location
| Latitude | 38.3071 |
|---|
| Longitude | -119.376 |
|---|
| Location | Little Walker Center |
|---|
| State / province | California |
|---|
| Location comment | erupted along the east and west margins and locally within the center of the caldera |
|---|
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 | 63.57 | | WT% | XRF |
| TIO2 | 0.69 | | WT% | XRF |
| AL2O3 | 16.98 | | WT% | XRF |
| FE2O3 | 5.06 | | WT% | XRF |
| FEO | 4.55 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| MGO | 1.76 | | WT% | XRF |
| CAO | 4.73 | | WT% | XRF |
| NA2O | 3.72 | | WT% | XRF |
| K2O | 3.18 | | WT% | XRF |
| P2O5 | 0.21 | | WT% | XRF |
| LOI | 1.38 | | WT% | XRF |
| TOTAL | 99.98 | | WT% | XRF |
| RB | 92.7 | | PPM | XRF |
| SR | 851 | | PPM | XRF |
