Sample 942
NavDat sample number 52961 · ANDESITE
Sample
| Sample ID | 942 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.535 |
|---|---|
| Longitude | -121.582 |
| 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 | 61.5 | WT% | XRF | |
| AL2O3 | 16 | WT% | XRF | |
| FEOT | 6.68 | WT% | XRF | |
| MGO | 2.03 | WT% | XRF | |
| CAO | 4.6 | WT% | XRF | |
| NA2O | 5.32 | WT% | XRF | |
| K2O | 1.74 | WT% | XRF | |
| TIO2 | 1.44 | WT% | XRF | |
| P2O5 | 0.5 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| TOTAL | 99.93 | WT% | XRF | |
| NA2O | 5.67 | WT% | FPHOT | |
| K2O | 1.768 | WT% | FPHOT | |
| FEOT | 5.29 | WT% | WET | |
| H2O_PLUS | 0.22 | WT% | WET | |
| H2O_MINUS | 0.04 | WT% | WET | |
| CO2 | 0.05 | WT% | WET | |
| RB | 39 | PPM | XRF | |
| SR | 416 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| ZR | 228 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| BA | 754 | PPM | XRF | |
| NI | 11 | PPM | XRF | |
| CU | 37 | PPM | XRF | |
| ZN | 69 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| SC | 20.3 | PPM | INAA | |
| CO | 11.4 | PPM | INAA | |
| ZN | 93 | PPM | INAA | |
| RB | 38 | PPM | INAA | |
| ZR | 198 | PPM | INAA | |
| SB | 0.24 | PPM | INAA | |
| CS | 1.54 | PPM | INAA | |
| BA | 771 | PPM | INAA | |
| LA | 21.8 | PPM | INAA | |
| CE | 44.5 | PPM | INAA | |
| ND | 27 | PPM | INAA | |
| SM | 6.4 | PPM | INAA | |
| EU | 2.03 | PPM | INAA | |
| GD | 6.1 | PPM | INAA | |
| TB | 1 | PPM | INAA | |
| TM | 0.6 | PPM | INAA | |
| YB | 3.51 | PPM | INAA | |
| LU | 0.527 | PPM | INAA | |
| HF | 5.23 | PPM | INAA | |
| TA | 0.68 | PPM | INAA | |
| TH | 3.74 | PPM | INAA | |
| U | 1.2 | PPM | INAA |