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Sample 565
NavDat sample number 52888 · DACITE
Sample
| Sample ID | 565 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Donnelly-Nolan |
|---|
Location
| Latitude | 41.5833 |
|---|
| Longitude | -121.535 |
|---|
| State / province | California |
|---|
| Volcanic field | Medicine Lake |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.29 |
|
0.029 |
0.549 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64.5 | | WT% | XRF |
| AL2O3 | 15.9 | | WT% | XRF |
| FEOT | 5.19 | | WT% | XRF |
| MGO | 1.6 | | WT% | XRF |
| CAO | 3.87 | | WT% | XRF |
| NA2O | 5.04 | | WT% | XRF |
| K2O | 2.32 | | WT% | XRF |
| TIO2 | 1.05 | | WT% | XRF |
| P2O5 | 0.34 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| TOTAL | 99.15 | | WT% | XRF |
| LOI | 0.19 | | WT% | XRF |
| RB | 65 | | PPM | XRF |
| SR | 395 | | PPM | XRF |
| Y | 37 | | PPM | XRF |
| ZR | 255 | | PPM | XRF |
| NB | 10 | | PPM | XRF |
| BA | 630 | | PPM | XRF |
