Sample 387
NavDat sample number 52851 · ANDESITE
Sample
| Sample ID | 387 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6733 |
|---|---|
| Longitude | -121.715 |
| 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 | 59.5 | WT% | XRF | |
| AL2O3 | 17.3 | WT% | XRF | |
| FEOT | 6.82 | WT% | XRF | |
| MGO | 3.07 | WT% | XRF | |
| CAO | 6.28 | WT% | XRF | |
| NA2O | 4.12 | WT% | XRF | |
| K2O | 1.64 | WT% | XRF | |
| TIO2 | 0.97 | WT% | XRF | |
| P2O5 | 0.2 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| TOTAL | 99.99 | WT% | XRF | |
| RB | 48 | PPM | XRF | |
| SR | 446 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 153 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 496 | PPM | XRF | |
| SC | 20.2 | PPM | INAA | |
| CR | 17 | PPM | INAA | |
| CO | 18.2 | PPM | INAA | |
| RB | 41 | PPM | INAA | |
| SR | 484 | PPM | INAA | |
| ZR | 102 | PPM | INAA | |
| SB | 0.16 | PPM | INAA | |
| CS | 2.02 | PPM | INAA | |
| BA | 446 | PPM | INAA | |
| LA | 13.2 | PPM | INAA | |
| CE | 26.4 | PPM | INAA | |
| ND | 15.5 | PPM | INAA | |
| SM | 3.35 | PPM | INAA | |
| EU | 1.04 | PPM | INAA | |
| GD | 3.11 | PPM | INAA | |
| TB | 0.559 | PPM | INAA | |
| DY | 3.47 | PPM | INAA | |
| TM | 0.33 | PPM | INAA | |
| YB | 1.96 | PPM | INAA | |
| LU | 0.301 | PPM | INAA | |
| HF | 3.13 | PPM | INAA | |
| TA | 0.377 | PPM | INAA | |
| TH | 3.94 | PPM | INAA | |
| U | 1.3 | PPM | INAA | |
| MN | 951 | PPM | INAA |