Sample 638
NavDat sample number 52900 · ANDESITE
Sample
| Sample ID | 638 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6273 |
|---|---|
| Longitude | -121.438 |
| 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 | 58 | WT% | XRF | |
| AL2O3 | 17.4 | WT% | XRF | |
| FEOT | 6.42 | WT% | XRF | |
| MGO | 4.43 | WT% | XRF | |
| CAO | 6.89 | WT% | XRF | |
| NA2O | 3.7 | WT% | XRF | |
| K2O | 1.83 | WT% | XRF | |
| TIO2 | 0.87 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| TOTAL | 98.27 | WT% | XRF | |
| LOI | 0.44 | WT% | XRF | |
| FEOT | 5.03 | WT% | WET | |
| H2O_PLUS | 0.65 | WT% | WET | |
| H2O_MINUS | 0.08 | WT% | WET | |
| RB | 48 | PPM | XRF | |
| SR | 476 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 171 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| BA | 555 | PPM | XRF | |
| SC | 19.5 | PPM | INAA | |
| CR | 72 | PPM | INAA | |
| CO | 23.7 | PPM | INAA | |
| RB | 50 | PPM | INAA | |
| SR | 540 | PPM | INAA | |
| ZR | 167 | PPM | INAA | |
| SB | 0.33 | PPM | INAA | |
| CS | 2.38 | PPM | INAA | |
| BA | 613 | PPM | INAA | |
| LA | 20.2 | PPM | INAA | |
| CE | 45.7 | PPM | INAA | |
| ND | 21.8 | PPM | INAA | |
| SM | 4.66 | PPM | INAA | |
| EU | 1.26 | PPM | INAA | |
| GD | 4.27 | PPM | INAA | |
| TB | 0.647 | PPM | INAA | |
| DY | 4.1 | PPM | INAA | |
| TM | 0.4 | PPM | INAA | |
| YB | 2.34 | PPM | INAA | |
| LU | 0.35 | PPM | INAA | |
| HF | 4.27 | PPM | INAA | |
| TA | 0.673 | PPM | INAA | |
| TH | 5.48 | PPM | INAA | |
| U | 2.07 | PPM | INAA | |
| MN | 906 | PPM | INAA |