Sample 777
NavDat sample number 53329 · TRACHYTE
Sample
| Sample ID | 777 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.795 |
|---|---|
| Longitude | -121.738 |
| 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 | 16.2 | WT% | XRF | |
| FEOT | 4.41 | WT% | XRF | |
| MGO | 1.29 | WT% | XRF | |
| CAO | 3.19 | WT% | XRF | |
| NA2O | 4.06 | WT% | XRF | |
| K2O | 2.78 | WT% | XRF | |
| TIO2 | 0.78 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| TOTAL | 94.14 | WT% | XRF | |
| LOI | 5.66 | WT% | XRF | |
| FEOT | 2.2 | WT% | WET | |
| H2O_PLUS | 4.14 | WT% | WET | |
| H2O_MINUS | 1.64 | WT% | WET | |
| CO2 | 0.25 | WT% | WET | |
| RB | 48 | PPM | XRF | |
| SR | 296 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 219 | PPM | XRF | |
| NB | 4 | PPM | XRF | |
| BA | 648 | PPM | XRF | |
| SC | 12.7 | PPM | INAA | |
| CR | 8 | PPM | INAA | |
| CO | 7.9 | PPM | INAA | |
| ZN | 72 | PPM | INAA | |
| RB | 53 | PPM | INAA | |
| ZR | 228 | PPM | INAA | |
| SB | 0.32 | PPM | INAA | |
| CS | 2.46 | PPM | INAA | |
| BA | 659 | PPM | INAA | |
| LA | 21.1 | PPM | INAA | |
| CE | 41.9 | PPM | INAA | |
| ND | 22.2 | PPM | INAA | |
| SM | 5.07 | PPM | INAA | |
| EU | 1.15 | PPM | INAA | |
| GD | 5.5 | PPM | INAA | |
| TB | 0.77 | PPM | INAA | |
| TM | 0.49 | PPM | INAA | |
| YB | 3.13 | PPM | INAA | |
| LU | 0.487 | PPM | INAA | |
| HF | 5.65 | PPM | INAA | |
| TA | 0.65 | PPM | INAA | |
| TH | 5.1 | PPM | INAA | |
| U | 1.87 | PPM | INAA |