Sample 137
NavDat sample number 52812 · DACITE
Sample
| Sample ID | 137 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6783 |
|---|---|
| Longitude | -121.571 |
| 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 | 15.2 | WT% | XRF | |
| FEOT | 2.7 | WT% | XRF | |
| MGO | 0.79 | WT% | XRF | |
| CAO | 2.08 | WT% | XRF | |
| NA2O | 4.42 | WT% | XRF | |
| K2O | 3.88 | WT% | XRF | |
| TIO2 | 0.51 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| TOTAL | 98.81 | WT% | XRF | |
| LOI | 0.16 | WT% | XRF | |
| RB | 114 | PPM | XRF | |
| SR | 184 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 291 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 791 | PPM | XRF | |
| NI | 0 | PPM | XRF | |
| CU | 18 | PPM | XRF | |
| ZN | 41 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| SC | 7.9 | PPM | INAA | |
| CO | 4.3 | PPM | INAA | |
| RB | 111 | PPM | INAA | |
| SR | 198 | PPM | INAA | |
| ZR | 270 | PPM | INAA | |
| SB | 0.73 | PPM | INAA | |
| CS | 6.9 | PPM | INAA | |
| BA | 784 | PPM | INAA | |
| LA | 23.1 | PPM | INAA | |
| CE | 47.6 | PPM | INAA | |
| ND | 23 | PPM | INAA | |
| SM | 4.5 | PPM | INAA | |
| EU | 0.931 | PPM | INAA | |
| GD | 5.27 | PPM | INAA | |
| TB | 0.756 | PPM | INAA | |
| DY | 4.78 | PPM | INAA | |
| TM | 0.49 | PPM | INAA | |
| YB | 3.25 | PPM | INAA | |
| LU | 0.513 | PPM | INAA | |
| HF | 7.35 | PPM | INAA | |
| TA | 0.907 | PPM | INAA | |
| TH | 11.5 | PPM | INAA | |
| U | 4.48 | PPM | INAA | |
| MN | 465 | PPM | INAA |