Sample 315
NavDat sample number 53318 · TRACHYTE
Sample
| Sample ID | 315 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.79 |
|---|---|
| Longitude | -121.673 |
| 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 | 70.5 | WT% | XRF | |
| AL2O3 | 15.2 | WT% | XRF | |
| FEOT | 2.59 | WT% | XRF | |
| MGO | 0.81 | WT% | XRF | |
| CAO | 2.2 | WT% | XRF | |
| NA2O | 4.17 | WT% | XRF | |
| K2O | 3.88 | WT% | XRF | |
| TIO2 | 0.45 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| TOTAL | 95.57 | WT% | XRF | |
| LOI | 3.98 | WT% | XRF | |
| RB | 97 | PPM | XRF | |
| SR | 202 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 258 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 826 | PPM | XRF | |
| NI | 11 | PPM | XRF | |
| CU | 16 | PPM | XRF | |
| ZN | 39 | PPM | XRF | |
| CR | 2 | PPM | XRF | |
| SC | 7 | PPM | INAA | |
| CR | 4 | PPM | INAA | |
| CO | 3.9 | PPM | INAA | |
| RB | 95 | PPM | INAA | |
| SR | 174 | PPM | INAA | |
| ZR | 226 | PPM | INAA | |
| SB | 0.57 | PPM | INAA | |
| CS | 4.73 | PPM | INAA | |
| BA | 784 | PPM | INAA | |
| LA | 21.7 | PPM | INAA | |
| CE | 42.4 | PPM | INAA | |
| ND | 22 | PPM | INAA | |
| SM | 4.45 | PPM | INAA | |
| EU | 0.796 | PPM | INAA | |
| GD | 3.7 | PPM | INAA | |
| TB | 0.644 | PPM | INAA | |
| DY | 3.73 | PPM | INAA | |
| TM | 0.42 | PPM | INAA | |
| YB | 2.86 | PPM | INAA | |
| LU | 0.464 | PPM | INAA | |
| HF | 5.74 | PPM | INAA | |
| TA | 0.761 | PPM | INAA | |
| TH | 9.55 | PPM | INAA | |
| U | 3.81 | PPM | INAA | |
| MN | 454 | PPM | INAA |