Sample 1756
NavDat sample number 53223 · ANDESITE
Sample
| Sample ID | 1756 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7017 |
|---|---|
| Longitude | -121.528 |
| 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 | 59.1 | WT% | XRF | |
| AL2O3 | 16.4 | WT% | XRF | |
| FEOT | 7.6 | WT% | XRF | |
| MGO | 2.75 | WT% | XRF | |
| CAO | 5.88 | WT% | XRF | |
| NA2O | 4.84 | WT% | XRF | |
| K2O | 1.41 | WT% | XRF | |
| TIO2 | 1.43 | WT% | XRF | |
| P2O5 | 0.39 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| TOTAL | 99.44 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| RB | 32 | PPM | XRF | |
| SR | 487 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 191 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| BA | 571 | PPM | XRF | |
| NI | 9 | PPM | XRF | |
| CU | 41 | PPM | XRF | |
| ZN | 86 | PPM | XRF | |
| CR | 13 | PPM | XRF | |
| SC | 25.8 | PPM | INAA | |
| CR | 5 | PPM | INAA | |
| CO | 18.4 | PPM | INAA | |
| ZN | 83 | PPM | INAA | |
| RB | 30 | PPM | INAA | |
| SR | 544 | PPM | INAA | |
| ZR | 183 | PPM | INAA | |
| SB | 0.17 | PPM | INAA | |
| CS | 1.29 | PPM | INAA | |
| BA | 599 | PPM | INAA | |
| LA | 17 | PPM | INAA | |
| CE | 36.9 | PPM | INAA | |
| ND | 20.4 | PPM | INAA | |
| SM | 5.33 | PPM | INAA | |
| EU | 1.81 | PPM | INAA | |
| TB | 0.834 | PPM | INAA | |
| YB | 2.98 | PPM | INAA | |
| LU | 0.416 | PPM | INAA | |
| HF | 4.34 | PPM | INAA | |
| TA | 0.601 | PPM | INAA | |
| TH | 3.24 | PPM | INAA | |
| U | 1 | PPM | INAA |