Sample 195
NavDat sample number 53315 · RHYOLITE
Sample
| Sample ID | 195 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.535 |
|---|---|
| Longitude | -121.725 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.81 | 0.583 | 3.04 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.6 | WT% | XRF | |
| AL2O3 | 14.8 | WT% | XRF | |
| FEOT | 1.58 | WT% | XRF | |
| MGO | 0.46 | WT% | XRF | |
| CAO | 1.86 | WT% | XRF | |
| NA2O | 3.88 | WT% | XRF | |
| K2O | 3.58 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| P2O5 | 0.06 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| TOTAL | 99.12 | WT% | XRF | |
| LOI | 0.29 | WT% | XRF | |
| RB | 125 | PPM | XRF | |
| SR | 250 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| ZR | 155 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 860 | PPM | XRF | |
| NI | 2 | PPM | XRF | |
| CU | 11 | PPM | XRF | |
| ZN | 37 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| SC | 2.9 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 2.2 | PPM | INAA | |
| RB | 113 | PPM | INAA | |
| SR | 255 | PPM | INAA | |
| ZR | 118 | PPM | INAA | |
| SB | 0.36 | PPM | INAA | |
| CS | 6.98 | PPM | INAA | |
| BA | 822 | PPM | INAA | |
| LA | 19.7 | PPM | INAA | |
| CE | 34.4 | PPM | INAA | |
| ND | 14.7 | PPM | INAA | |
| SM | 2.62 | PPM | INAA | |
| EU | 0.538 | PPM | INAA | |
| GD | 2.24 | PPM | INAA | |
| TB | 0.34 | PPM | INAA | |
| DY | 2 | PPM | INAA | |
| TM | 0.2 | PPM | INAA | |
| YB | 1.29 | PPM | INAA | |
| LU | 0.216 | PPM | INAA | |
| HF | 3.69 | PPM | INAA | |
| TA | 0.8 | PPM | INAA | |
| TH | 11 | PPM | INAA | |
| U | 4.2 | PPM | INAA | |
| MN | 322 | PPM | INAA |