Sample 1689
NavDat sample number 53186 · DACITE
Sample
| Sample ID | 1689 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.57 |
|---|---|
| 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 | 62.8 | WT% | XRF | |
| AL2O3 | 16.1 | WT% | XRF | |
| FEOT | 6.03 | WT% | XRF | |
| MGO | 1.83 | WT% | XRF | |
| CAO | 4.26 | WT% | XRF | |
| NA2O | 5.25 | WT% | XRF | |
| K2O | 1.94 | WT% | XRF | |
| TIO2 | 1.24 | WT% | XRF | |
| P2O5 | 0.44 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| TOTAL | 98.93 | WT% | XRF | |
| LOI | 0.14 | WT% | XRF | |
| RB | 48 | PPM | XRF | |
| SR | 421 | PPM | XRF | |
| Y | 40 | PPM | XRF | |
| ZR | 248 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 751 | PPM | XRF | |
| NI | 2 | PPM | XRF | |
| CU | 34 | PPM | XRF | |
| ZN | 77 | PPM | XRF | |
| CR | 6 | PPM | XRF | |
| SC | 19.2 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 10.5 | PPM | INAA | |
| ZN | 77 | PPM | INAA | |
| RB | 45 | PPM | INAA | |
| SR | 446 | PPM | INAA | |
| ZR | 240 | PPM | INAA | |
| SB | 0.25 | PPM | INAA | |
| CS | 1.86 | PPM | INAA | |
| BA | 719 | PPM | INAA | |
| LA | 21.7 | PPM | INAA | |
| CE | 45.6 | PPM | INAA | |
| ND | 25.2 | PPM | INAA | |
| SM | 6.48 | PPM | INAA | |
| EU | 1.89 | PPM | INAA | |
| TB | 0.985 | PPM | INAA | |
| YB | 3.64 | PPM | INAA | |
| LU | 0.506 | PPM | INAA | |
| HF | 5.66 | PPM | INAA | |
| TA | 0.767 | PPM | INAA | |
| TH | 4.56 | PPM | INAA | |
| U | 1.58 | PPM | INAA |