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Sample s_747
NavDat sample number 33830 · RHYODACITE
Sample
| Sample ID | s_747 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 42.88 |
|---|
| Longitude | -121.96 |
|---|
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT MAZAMA / PACIFIC OCEAN |
|---|
| State / province | OREGON |
|---|
| Location comment | CRATER LAKE, SCOTT CREEK |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.41 |
|
0.395 |
0.423 |
QUATERNARY |
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 68.6 | | WT% | XRF |
| TIO2 | 0.45 | | WT% | XRF |
| AL2O3 | 15.5 | | WT% | XRF |
| FE2O3T | 2.94 | | WT% | XRF |
| CAO | 2.46 | | WT% | XRF |
| MGO | 0.79 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| K2O | 2.33 | | WT% | AES |
| NA2O | 4.87 | | WT% | AES |
| P2O5 | 0.13 | | WT% | XRF |
| LOI | 0.69 | | WT% | IGN |
| RB | 36 | | PPM | XRF |
| SR | 318 | | PPM | XRF |
| Y | 25 | | PPM | XRF |
| ZR | 213 | | PPM | XRF |
| BA | 808 | | PPM | XRF |
