Sample 486
NavDat sample number 52878 · ANDESITE
Sample
| Sample ID | 486 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5257 |
|---|---|
| Longitude | -121.757 |
| 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 | 60.8 | WT% | XRF | |
| AL2O3 | 18.8 | WT% | XRF | |
| FEOT | 5.02 | WT% | XRF | |
| MGO | 3.42 | WT% | XRF | |
| CAO | 6.02 | WT% | XRF | |
| NA2O | 3.65 | WT% | XRF | |
| K2O | 1.5 | WT% | XRF | |
| TIO2 | 0.58 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| TOTAL | 98.58 | WT% | XRF | |
| LOI | 1.08 | WT% | XRF | |
| RB | 49 | PPM | XRF | |
| SR | 717 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| ZR | 114 | PPM | XRF | |
| BA | 443 | PPM | XRF | |
| SC | 12.9 | PPM | INAA | |
| CR | 32 | PPM | INAA | |
| CO | 16.6 | PPM | INAA | |
| RB | 31 | PPM | INAA | |
| SR | 725 | PPM | INAA | |
| ZR | 80 | PPM | INAA | |
| CS | 0.78 | PPM | INAA | |
| BA | 383 | PPM | INAA | |
| LA | 12 | PPM | INAA | |
| CE | 21.7 | PPM | INAA | |
| ND | 13 | PPM | INAA | |
| SM | 2.52 | PPM | INAA | |
| EU | 0.822 | PPM | INAA | |
| TB | 0.397 | PPM | INAA | |
| DY | 2.22 | PPM | INAA | |
| TM | 0.16 | PPM | INAA | |
| YB | 1.14 | PPM | INAA | |
| LU | 0.148 | PPM | INAA | |
| HF | 2.34 | PPM | INAA | |
| TA | 0.23 | PPM | INAA | |
| TH | 3.49 | PPM | INAA | |
| U | 1.06 | PPM | INAA | |
| MN | 677 | PPM | INAA |