Sample 828
NavDat sample number 53382 · 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 | 66.9 | WT% | XRF | |
| AL2O3 | 16.1 | WT% | XRF | |
| FEOT | 4.37 | WT% | XRF | |
| MGO | 1.01 | WT% | XRF | |
| CAO | 2.53 | WT% | XRF | |
| NA2O | 5.48 | WT% | XRF | |
| K2O | 2.53 | WT% | XRF | |
| TIO2 | 0.75 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| TOTAL | 95.28 | WT% | XRF | |
| LOI | 4.5 | WT% | XRF | |
| RB | 48 | PPM | XRF | |
| SR | 207 | PPM | XRF | |
| Y | 43 | PPM | XRF | |
| ZR | 321 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 672 | PPM | XRF | |
| ZN | 103 | PPM | XRF | |
| SC | 12.4 | PPM | INAA | |
| CR | 4 | PPM | INAA | |
| CO | 3.6 | PPM | INAA | |
| ZN | 84 | PPM | INAA | |
| RB | 49 | PPM | INAA | |
| ZR | 342 | PPM | INAA | |
| SB | 0.28 | PPM | INAA | |
| CS | 2.29 | PPM | INAA | |
| BA | 693 | PPM | INAA | |
| LA | 23.2 | PPM | INAA | |
| CE | 48.6 | PPM | INAA | |
| ND | 27 | PPM | INAA | |
| SM | 6.82 | PPM | INAA | |
| EU | 1.61 | PPM | INAA | |
| GD | 6.8 | PPM | INAA | |
| TB | 1.06 | PPM | INAA | |
| TM | 0.75 | PPM | INAA | |
| YB | 5.1 | PPM | INAA | |
| LU | 0.746 | PPM | INAA | |
| HF | 7.64 | PPM | INAA | |
| TA | 0.85 | PPM | INAA | |
| TH | 4.54 | PPM | INAA | |
| U | 1.4 | PPM | INAA |