Sample 687
NavDat sample number 52909 · ANDESITE
Sample
| Sample ID | 687 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6767 |
|---|---|
| Longitude | -121.567 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.391 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.7 | WT% | XRF | |
| AL2O3 | 16.9 | WT% | XRF | |
| FEOT | 8.27 | WT% | XRF | |
| MGO | 3.68 | WT% | XRF | |
| CAO | 7.52 | WT% | XRF | |
| NA2O | 4.13 | WT% | XRF | |
| K2O | 1.15 | WT% | XRF | |
| TIO2 | 1.28 | WT% | XRF | |
| P2O5 | 0.27 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| TOTAL | 99.21 | WT% | XRF | |
| LOI | 0.15 | WT% | XRF | |
| FEOT | 5.74 | WT% | WET | |
| H2O_PLUS | 0.39 | WT% | WET | |
| H2O_MINUS | 0.06 | WT% | WET | |
| RB | 33 | PPM | XRF | |
| SR | 567 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 150 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 430 | PPM | XRF | |
| NI | 20 | PPM | XRF | |
| CU | 91 | PPM | XRF | |
| ZN | 62 | PPM | XRF | |
| CR | 30 | PPM | XRF | |
| SC | 31 | PPM | INAA | |
| CR | 24 | PPM | INAA | |
| CO | 22.3 | PPM | INAA | |
| RB | 24 | PPM | INAA | |
| SR | 585 | PPM | INAA | |
| ZR | 123 | PPM | INAA | |
| SB | 0.12 | PPM | INAA | |
| CS | 1.1 | PPM | INAA | |
| BA | 390 | PPM | INAA | |
| LA | 12.7 | PPM | INAA | |
| CE | 28.6 | PPM | INAA | |
| ND | 15.9 | PPM | INAA | |
| SM | 3.8 | PPM | INAA | |
| EU | 1.46 | PPM | INAA | |
| GD | 4.17 | PPM | INAA | |
| TB | 0.675 | PPM | INAA | |
| DY | 4.31 | PPM | INAA | |
| TM | 0.4 | PPM | INAA | |
| YB | 2.38 | PPM | INAA | |
| LU | 0.395 | PPM | INAA | |
| HF | 3.24 | PPM | INAA | |
| TA | 0.318 | PPM | INAA | |
| TH | 2.4 | PPM | INAA | |
| U | 1.19 | PPM | INAA | |
| MN | 1120 | PPM | INAA |