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Sample s_378
NavDat sample number 34138 · DACITE
Sample
| Sample ID | s_378 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | LAVA |
|---|
Location
| Latitude | 42.733 |
|---|
| Longitude | -122.712 |
|---|
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT MAZAMA / PACIFIC OCEAN |
|---|
| State / province | OREGON |
|---|
| Location comment | THE WATCHMAN FLOW |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.9 |
|
0 |
1.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 67.4 | | WT% | XRF |
| MGO | 1.34 | | WT% | XRF |
| RB | 52 | | PPM | XRF |
| SR | 382 | | PPM | XRF |
| SR87_SR86 | 0.7036 | | | TIMS |
