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Sample 724
NavDat sample number 9198 · RHYODACITE
Sample
| Sample ID | 724 |
|---|
| Alternate ID | 25-I |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Dacite |
|---|
Location
| Latitude | 44.8176 |
|---|
| Longitude | -118.394 |
|---|
| State / province | Oregon |
|---|
| Formation | Clarno Formation |
|---|
| Elevation | 1500 |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 39.3 |
|
23.8 |
54.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.21 | | WT% | XRF |
| AL2O3 | 16.6 | | WT% | XRF |
| TIO2 | 0.34 | | WT% | XRF |
| FEOT | 2.74 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| CAO | 3.94 | | WT% | XRF |
| MGO | 0.96 | | WT% | XRF |
| K2O | 1.38 | | WT% | XRF |
| NA2O | 2.71 | | WT% | XRF |
| P2O5 | 0.1 | | WT% | XRF |
