Sample 620
NavDat sample number 52897 · ANDESITE
Sample
| Sample ID | 620 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6733 |
|---|---|
| Longitude | -121.55 |
| 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 | 58.6 | WT% | XRF | |
| AL2O3 | 16.6 | WT% | XRF | |
| FEOT | 8.07 | WT% | XRF | |
| MGO | 2.78 | WT% | XRF | |
| CAO | 5.89 | WT% | XRF | |
| NA2O | 4.39 | WT% | XRF | |
| K2O | 1.89 | WT% | XRF | |
| TIO2 | 1.33 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| TOTAL | 99.18 | WT% | XRF | |
| LOI | 0.24 | WT% | XRF | |
| NA2O | 4.48 | WT% | FPHOT | |
| K2O | 1.897 | WT% | FPHOT | |
| FEOT | 5.5 | WT% | WET | |
| H2O_PLUS | 0.53 | WT% | WET | |
| H2O_MINUS | 0.06 | WT% | WET | |
| RB | 50 | PPM | XRF | |
| SR | 375 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 191 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| BA | 617 | PPM | XRF | |
| CU | 20 | PPM | XRF | |
| ZN | 100 | PPM | XRF | |
| SC | 26.3 | PPM | INAA | |
| CR | 4 | PPM | INAA | |
| CO | 21.9 | PPM | INAA | |
| RB | 58 | PPM | INAA | |
| SR | 439 | PPM | INAA | |
| ZR | 243 | PPM | INAA | |
| SB | 0.49 | PPM | INAA | |
| CS | 3.29 | PPM | INAA | |
| BA | 657 | PPM | INAA | |
| LA | 19.2 | PPM | INAA | |
| CE | 38.6 | PPM | INAA | |
| ND | 22.6 | PPM | INAA | |
| SM | 5.16 | PPM | INAA | |
| EU | 1.94 | PPM | INAA | |
| GD | 5.61 | PPM | INAA | |
| TB | 1.16 | PPM | INAA | |
| DY | 6.31 | PPM | INAA | |
| TM | 0.58 | PPM | INAA | |
| YB | 3.6 | PPM | INAA | |
| LU | 0.55 | PPM | INAA | |
| HF | 5.24 | PPM | INAA | |
| TA | 0.513 | PPM | INAA | |
| TH | 5.5 | PPM | INAA | |
| U | 1.57 | PPM | INAA | |
| MN | 1300 | PPM | INAA |