Sample 371
NavDat sample number 52847 · DACITE
Sample
| Sample ID | 371 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6433 |
|---|---|
| Longitude | -121.702 |
| 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 | 70.2 | WT% | XRF | |
| AL2O3 | 14.9 | WT% | XRF | |
| FEOT | 2.69 | WT% | XRF | |
| MGO | 1.19 | WT% | XRF | |
| CAO | 2.36 | WT% | XRF | |
| NA2O | 3.95 | WT% | XRF | |
| K2O | 4.06 | WT% | XRF | |
| TIO2 | 0.48 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| TOTAL | 99.1 | WT% | XRF | |
| LOI | 0.23 | WT% | XRF | |
| FEOT | 2.13 | WT% | WET | |
| H2O_PLUS | 0.26 | WT% | WET | |
| H2O_MINUS | 0.11 | WT% | WET | |
| CO2 | 0.04 | WT% | WET | |
| RB | 135 | PPM | XRF | |
| SR | 158 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 244 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 720 | PPM | XRF | |
| SC | 8.18 | PPM | INAA | |
| CR | 11 | PPM | INAA | |
| CO | 6.4 | PPM | INAA | |
| RB | 133 | PPM | INAA | |
| SR | 153 | PPM | INAA | |
| ZR | 230 | PPM | INAA | |
| SB | 0.9 | PPM | INAA | |
| CS | 8.63 | PPM | INAA | |
| BA | 714 | PPM | INAA | |
| LA | 21.5 | PPM | INAA | |
| CE | 41.9 | PPM | INAA | |
| ND | 22.7 | PPM | INAA | |
| SM | 4.43 | PPM | INAA | |
| EU | 0.855 | PPM | INAA | |
| GD | 4.88 | PPM | INAA | |
| TB | 0.736 | PPM | INAA | |
| DY | 4.51 | PPM | INAA | |
| YB | 3.19 | PPM | INAA | |
| LU | 0.505 | PPM | INAA | |
| HF | 6.1 | PPM | INAA | |
| TA | 0.967 | PPM | INAA | |
| TH | 14.3 | PPM | INAA | |
| U | 5.72 | PPM | INAA | |
| MN | 447 | PPM | INAA |