Sample s_LC84-446
NavDat sample number 20559 · RHYOLITE
Sample
| Sample ID | s_LC84-446 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | subaerial |
Location
| Latitude | 40.49 |
|---|---|
| Longitude | -121.51 |
| Location | CASCADES / HIGH CASCADES / SOUTHERN CASCADES / LASSEN VOLCANIC CENTER / ROCKLAND SEQUENCE / PACIFIC OCEAN |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.2 | 0 | 0.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.47 | WT% | XRF | |
| TIO2 | 0.35 | WT% | XRF | |
| AL2O3 | 13.99 | WT% | XRF | |
| FE2O3 | 0.44 | WT% | XRF | |
| FEOT | 1.99 | WT% | XRF | |
| FEO | 1.59 | WT% | XRF | |
| CAO | 2.03 | WT% | XRF | |
| MGO | 0.88 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| K2O | 3.43 | WT% | XRF | |
| NA2O | 3.64 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| LOI | 2.76 | WT% | IGN | |
| LA | 23.5 | PPM | XRF/INAA | |
| SM | 2.19 | PPM | XRF/INAA | |
| EU | 0.45 | PPM | XRF/INAA | |
| YB | 1.27 | PPM | XRF/INAA | |
| SC | 4.6 | PPM | XRF/INAA | |
| CR | 4.5 | PPM | XRF/INAA | |
| CO | 3.93 | PPM | XRF/INAA | |
| RB | 77 | PPM | XRF/INAA | |
| SR | 218 | PPM | XRF/INAA | |
| Y | 14 | PPM | XRF/INAA | |
| ZR | 132 | PPM | XRF/INAA | |
| NB | 6 | PPM | XRF/INAA | |
| CS | 4.33 | PPM | XRF/INAA | |
| BA | 844 | PPM | XRF/INAA | |
| HF | 3.7 | PPM | XRF/INAA | |
| TA | 0.84 | PPM | XRF/INAA | |
| PB | 11.2 | PPM | XRF/INAA | |
| TH | 11.5 | PPM | XRF/INAA | |
| U | 3.86 | PPM | XRF/INAA | |
| ND143_ND144 | 0.512804 | TIMS | ||
| SR87_SR86 | 0.70409 | TIMS | ||
| PB206_PB204 | 18.957 | TIMS | ||
| PB207_PB204 | 15.622 | TIMS | ||
| PB208_PB204 | 38.645 | TIMS |