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Sample BH89SB-76
NavDat sample number 38357 · RHYOLITE
Sample
| Sample ID | BH89SB-76 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | DONNELLY-NOLAN, JULIE |
|---|
| Comment | Extrusive rock Porph/glassy Plag dom/no Q |
Location
| Latitude | 39.2281 |
|---|
| Longitude | -121.782 |
|---|
| Location | SHT HILL RHYOLITE DOME |
|---|
| State / province | California |
|---|
| Volcanic field | Sutter Buttes volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 1.56 |
|
1.36 |
1.59 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 68.8 | | WT% | XRF |
| AL2O3 | 15.9 | | WT% | XRF |
| MGO | 0.81 | | WT% | XRF |
| CAO | 2.84 | | WT% | XRF |
| NA2O | 4.47 | | WT% | XRF |
| K2O | 2.81 | | WT% | XRF |
| TIO2 | 0.22 | | WT% | XRF |
| P2O5 | 0.12 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| FE2O3T | 2.02 | | WT% | XRF |
| TOTAL | 98.06 | | WT% | XRF |