Sample 768
NavDat sample number 52935 · ANDESITE
Sample
| Sample ID | 768 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.785 |
|---|---|
| Longitude | -121.59 |
| 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 | 58.4 | WT% | XRF | |
| AL2O3 | 17.2 | WT% | XRF | |
| FEOT | 5.58 | WT% | XRF | |
| MGO | 5.13 | WT% | XRF | |
| CAO | 7.58 | WT% | XRF | |
| NA2O | 3.4 | WT% | XRF | |
| K2O | 1.84 | WT% | XRF | |
| TIO2 | 0.62 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 98.83 | WT% | XRF | |
| LOI | 0.78 | WT% | XRF | |
| NA2O | 3.49 | WT% | FPHOT | |
| K2O | 1.834 | WT% | FPHOT | |
| FEOT | 4.76 | WT% | WET | |
| H2O_PLUS | 0.68 | WT% | WET | |
| H2O_MINUS | 0.26 | WT% | WET | |
| CO2 | 0.11 | WT% | WET | |
| RB | 51 | PPM | XRF | |
| SR | 206 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 169 | PPM | XRF | |
| NB | 4 | PPM | XRF | |
| BA | 326 | PPM | XRF | |
| SC | 21.9 | PPM | INAA | |
| CR | 87 | PPM | INAA | |
| CO | 25.5 | PPM | INAA | |
| ZN | 54 | PPM | INAA | |
| RB | 58 | PPM | INAA | |
| ZR | 162 | PPM | INAA | |
| SB | 0.23 | PPM | INAA | |
| CS | 3.31 | PPM | INAA | |
| BA | 343 | PPM | INAA | |
| LA | 11.5 | PPM | INAA | |
| CE | 23 | PPM | INAA | |
| ND | 15 | PPM | INAA | |
| SM | 3.42 | PPM | INAA | |
| EU | 0.76 | PPM | INAA | |
| GD | 4.8 | PPM | INAA | |
| TB | 0.73 | PPM | INAA | |
| TM | 0.38 | PPM | INAA | |
| YB | 2.64 | PPM | INAA | |
| LU | 0.435 | PPM | INAA | |
| HF | 4.15 | PPM | INAA | |
| TA | 0.47 | PPM | INAA | |
| TH | 5.7 | PPM | INAA | |
| U | 2.03 | PPM | INAA |