Sample 1242
NavDat sample number 53023 · ANDESITE
Sample
| Sample ID | 1242 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.49 |
|---|---|
| Longitude | -121.567 |
| 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 | 58.5 | WT% | XRF | |
| AL2O3 | 16.6 | WT% | XRF | |
| FEOT | 7.72 | WT% | XRF | |
| MGO | 2.85 | WT% | XRF | |
| CAO | 6.18 | WT% | XRF | |
| NA2O | 4.71 | WT% | XRF | |
| K2O | 1.49 | WT% | XRF | |
| TIO2 | 1.45 | WT% | XRF | |
| P2O5 | 0.38 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| TOTAL | 99.29 | WT% | XRF | |
| LOI | 0.71 | WT% | XRF | |
| NA2O | 4.77 | WT% | FPHOT | |
| K2O | 1.487 | WT% | FPHOT | |
| RB | 31 | PPM | XRF | |
| SR | 493 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 185 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| BA | 602 | PPM | XRF | |
| NI | -20 | PPM | XRF | |
| CU | 55 | PPM | XRF | |
| ZN | 90 | PPM | XRF | |
| SC | 24.9 | PPM | INAA | |
| CR | 7 | PPM | INAA | |
| CO | 17.8 | PPM | INAA | |
| ZN | 100 | PPM | INAA | |
| RB | 31 | PPM | INAA | |
| SR | 463 | PPM | INAA | |
| ZR | 230 | PPM | INAA | |
| SB | 0.31 | PPM | INAA | |
| CS | 1.3 | PPM | INAA | |
| BA | 610 | PPM | INAA | |
| LA | 17 | PPM | INAA | |
| CE | 35.1 | PPM | INAA | |
| ND | 20 | PPM | INAA | |
| SM | 5.2 | PPM | INAA | |
| EU | 1.66 | PPM | INAA | |
| TB | 0.79 | PPM | INAA | |
| YB | 2.6 | PPM | INAA | |
| LU | 0.412 | PPM | INAA | |
| HF | 4.04 | PPM | INAA | |
| TA | 0.56 | PPM | INAA | |
| TH | 2.99 | PPM | INAA | |
| U | 0.94 | PPM | INAA |