Sample 1721
NavDat sample number 53198 · ANDESITE
Sample
| Sample ID | 1721 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6883 |
|---|---|
| Longitude | -121.72 |
| 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 | 58.9 | WT% | XRF | |
| AL2O3 | 16.2 | WT% | XRF | |
| FEOT | 7.4 | WT% | XRF | |
| MGO | 3.43 | WT% | XRF | |
| CAO | 6.49 | WT% | XRF | |
| NA2O | 4.01 | WT% | XRF | |
| K2O | 1.92 | WT% | XRF | |
| TIO2 | 1.23 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| TOTAL | 99.24 | WT% | XRF | |
| LOI | 0.36 | WT% | XRF | |
| RB | 41 | PPM | XRF | |
| SR | 306 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 194 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 439 | PPM | XRF | |
| NI | 21 | PPM | XRF | |
| CU | 54 | PPM | XRF | |
| ZN | 72 | PPM | XRF | |
| CR | 39 | PPM | XRF | |
| SC | 28.2 | PPM | INAA | |
| CR | 39 | PPM | INAA | |
| CO | 22.3 | PPM | INAA | |
| ZN | 67 | PPM | INAA | |
| RB | 49 | PPM | INAA | |
| SR | 340 | PPM | INAA | |
| ZR | 205 | PPM | INAA | |
| SB | 0.39 | PPM | INAA | |
| CS | 2.58 | PPM | INAA | |
| BA | 458 | PPM | INAA | |
| LA | 16.7 | PPM | INAA | |
| CE | 34.2 | PPM | INAA | |
| ND | 18.6 | PPM | INAA | |
| SM | 5.35 | PPM | INAA | |
| EU | 1.43 | PPM | INAA | |
| TB | 0.934 | PPM | INAA | |
| YB | 3.72 | PPM | INAA | |
| LU | 0.543 | PPM | INAA | |
| HF | 4.83 | PPM | INAA | |
| TA | 0.522 | PPM | INAA | |
| TH | 4.53 | PPM | INAA | |
| U | 1.54 | PPM | INAA |