Sample 1694
NavDat sample number 53187 · TUFF
Sample
| Sample ID | 1694 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.56 |
|---|---|
| Longitude | -121.503 |
| 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 | 56.7 | WT% | XRF | |
| AL2O3 | 17.4 | WT% | XRF | |
| FEOT | 8.44 | WT% | XRF | |
| MGO | 3.7 | WT% | XRF | |
| CAO | 7.41 | WT% | XRF | |
| NA2O | 3.74 | WT% | XRF | |
| K2O | 0.92 | WT% | XRF | |
| TIO2 | 1.27 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| TOTAL | 95.22 | WT% | XRF | |
| LOI | 4.68 | WT% | XRF | |
| RB | 28 | PPM | XRF | |
| SR | 563 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 146 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 396 | PPM | XRF | |
| NI | 13 | PPM | XRF | |
| CU | 95 | PPM | XRF | |
| ZN | 83 | PPM | XRF | |
| CR | 39 | PPM | XRF | |
| SC | 29.6 | PPM | INAA | |
| CR | 34 | PPM | INAA | |
| CO | 22.9 | PPM | INAA | |
| ZN | 66 | PPM | INAA | |
| RB | 24 | PPM | INAA | |
| SR | 592 | PPM | INAA | |
| ZR | 149 | PPM | INAA | |
| SB | 0.18 | PPM | INAA | |
| CS | 0.95 | PPM | INAA | |
| BA | 393 | PPM | INAA | |
| LA | 12.36 | PPM | INAA | |
| CE | 25.6 | PPM | INAA | |
| ND | 15.4 | PPM | INAA | |
| SM | 3.92 | PPM | INAA | |
| EU | 1.306 | PPM | INAA | |
| TB | 0.593 | PPM | INAA | |
| YB | 2.06 | PPM | INAA | |
| LU | 0.321 | PPM | INAA | |
| HF | 2.98 | PPM | INAA | |
| TA | 0.318 | PPM | INAA | |
| TH | 2.32 | PPM | INAA | |
| U | 0.64 | PPM | INAA |