← Search
Sample F-11
NavDat sample number 7520 · DACITE
Sample
| Sample ID | F-11 |
|---|
| Alternate ID | B68-32 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Crowder and others, 1972 |
|---|
Location
| Latitude | 37.82 |
|---|
| Longitude | -118.267 |
|---|
| State / province | Nevada |
|---|
| Volcanic field | Adobe |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 32.5 |
|
0 |
65 |
Cenozoic |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.2 | | WT% | XRF |
| AL2O3 | 17.5 | | WT% | XRF |
| FE2O3 | 3.4 | | WT% | XRF |
| FEO | 0.9 | | WT% | TIT |
| MGO | 1.4 | | WT% | XRF |
| CAO | 3.1 | | WT% | XRF |
| NA2O | 4.5 | | WT% | XRF |
| K2O | 4.5 | | WT% | XRF |
| H2O_PLUS | 0.72 | | WT% | TIT |
| H2O_MINUS | 0.28 | | WT% | TIT |
| TIO2 | 0.81 | | WT% | XRF |
| P2O5 | 0.32 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| CO2 | 0.05 | | WT% | UNKNOWN |
