Sample 828
NavDat sample number 53383 · TUFF
Sample
| Sample ID | 828 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7517 |
|---|---|
| Longitude | -121.298 |
| 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 | 54 | WT% | XRF | |
| AL2O3 | 17.2 | WT% | XRF | |
| FEOT | 9.49 | WT% | XRF | |
| MGO | 4.18 | WT% | XRF | |
| CAO | 8.31 | WT% | XRF | |
| NA2O | 3.81 | WT% | XRF | |
| K2O | 0.87 | WT% | XRF | |
| TIO2 | 1.53 | WT% | XRF | |
| P2O5 | 0.36 | WT% | XRF | |
| MNO | 0.18 | WT% | XRF | |
| TOTAL | 99.69 | WT% | XRF | |
| LOI | 0.36 | WT% | XRF | |
| RB | 16 | PPM | XRF | |
| SR | 425 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 148 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 342 | PPM | XRF | |
| NI | 22 | PPM | XRF | |
| ZN | 104 | PPM | XRF | |
| SC | 30.8 | PPM | INAA | |
| CR | 39 | PPM | INAA | |
| CO | 27.2 | PPM | INAA | |
| ZN | 100 | PPM | INAA | |
| RB | 18 | PPM | INAA | |
| ZR | 141 | PPM | INAA | |
| CS | 0.75 | PPM | INAA | |
| BA | 365 | PPM | INAA | |
| LA | 12.5 | PPM | INAA | |
| CE | 26.8 | PPM | INAA | |
| ND | 20 | PPM | INAA | |
| SM | 5 | PPM | INAA | |
| EU | 1.57 | PPM | INAA | |
| GD | 3.5 | PPM | INAA | |
| TB | 0.79 | PPM | INAA | |
| TM | 0.44 | PPM | INAA | |
| YB | 3.18 | PPM | INAA | |
| LU | 0.469 | PPM | INAA | |
| HF | 3.29 | PPM | INAA | |
| TA | 0.42 | PPM | INAA | |
| TH | 1.52 | PPM | INAA | |
| U | 0.46 | PPM | INAA |