← Search
Sample I-2
NavDat sample number 7547 · RHYOLITE
Sample
| Sample ID | I-2 |
|---|
| Alternate ID | M-175 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Rinehart & Ross, 1964 |
|---|
Location
| Latitude | 37.68 |
|---|
| Longitude | -118.987 |
|---|
| State / province | California |
|---|
| Volcanic field | Long Valley |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 3.1 |
|
3.1 |
3.1 |
Cenozoic |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.4 | | WT% | XRF |
| AL2O3 | 13.5 | | WT% | XRF |
| FE2O3 | 1 | | WT% | XRF |
| FEO | 0.21 | | WT% | TIT |
| MGO | 0.28 | | WT% | XRF |
| CAO | 0.78 | | WT% | XRF |
| NA2O | 3.8 | | WT% | XRF |
| K2O | 4.5 | | WT% | XRF |
| TIO2 | 0.15 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| CO2 | 0.05 | | WT% | UNKNOWN |
