Sample 955
NavDat sample number 52962 · ANDESITE
Sample
| Sample ID | 955 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7917 |
|---|---|
| Longitude | -121.562 |
| 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 | 57.7 | WT% | XRF | |
| AL2O3 | 16.7 | WT% | XRF | |
| FEOT | 6.45 | WT% | XRF | |
| MGO | 5.2 | WT% | XRF | |
| CAO | 7.37 | WT% | XRF | |
| NA2O | 3.68 | WT% | XRF | |
| K2O | 1.68 | WT% | XRF | |
| TIO2 | 0.85 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| TOTAL | 99.86 | WT% | XRF | |
| LOI | 0.19 | WT% | XRF | |
| FEOT | 5.24 | WT% | WET | |
| H2O_PLUS | 0.27 | WT% | WET | |
| H2O_MINUS | 0.11 | WT% | WET | |
| CO2 | 0.08 | WT% | WET | |
| RB | 41 | PPM | XRF | |
| SR | 225 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 200 | PPM | XRF | |
| NB | 6 | PPM | XRF | |
| BA | 391 | PPM | XRF | |
| SC | 27.6 | PPM | INAA | |
| CR | 112 | PPM | INAA | |
| CO | 25.5 | PPM | INAA | |
| ZN | 58 | PPM | INAA | |
| RB | 50 | PPM | INAA | |
| ZR | 182 | PPM | INAA | |
| SB | 0.3 | PPM | INAA | |
| CS | 2.58 | PPM | INAA | |
| BA | 457 | PPM | INAA | |
| LA | 13.8 | PPM | INAA | |
| CE | 31.5 | PPM | INAA | |
| ND | 14.9 | PPM | INAA | |
| SM | 4.11 | PPM | INAA | |
| EU | 1.29 | PPM | INAA | |
| GD | 4.95 | PPM | INAA | |
| TB | 0.882 | PPM | INAA | |
| TM | 0.57 | PPM | INAA | |
| YB | 3.65 | PPM | INAA | |
| LU | 0.559 | PPM | INAA | |
| HF | 4.91 | PPM | INAA | |
| TA | 0.499 | PPM | INAA | |
| TH | 4.91 | PPM | INAA | |
| U | 1.64 | PPM | INAA |