← Search
Sample 452
NavDat sample number 88030 · RHYODACITE
Sample
| Sample ID | 452 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Hildreth and others |
|---|
| Comment | Intrusive-extrusive dome |
|---|
Location
| Latitude | 48.8153 |
|---|
| Longitude | -121.722 |
|---|
| Location | Corax Dome |
|---|
| State / province | Washington |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.109 |
|
1.09 |
1.128 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.4 | | WT% | XRF |
| TIO2 | 0.43 | | WT% | XRF |
| AL2O3 | 15.61 | | WT% | XRF |
| FEOT | 2.57 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 0.9 | | WT% | XRF |
| CAO | 2.47 | | WT% | XRF |
| NA2O | 4.31 | | WT% | XRF |
| K2O | 2.74 | | WT% | XRF |
| P2O5 | 0.16 | | WT% | XRF |
| LOI | 2.24 | | WT% | XRF |
| TOTAL | 96.73 | | WT% | XRF |
| RB | 53 | | PPM | XRF |
| SR | 287 | | PPM | XRF |
| Y | 18 | | PPM | XRF |
| ZR | 201 | | PPM | XRF |
| BA | 1120 | | PPM | XRF |
