Sample 1723
NavDat sample number 53200 · DACITE
Sample
| Sample ID | 1723 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5767 |
|---|---|
| Longitude | -121.512 |
| 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 | 63.5 | WT% | XRF | |
| AL2O3 | 16 | WT% | XRF | |
| FEOT | 5.73 | WT% | XRF | |
| MGO | 1.84 | WT% | XRF | |
| CAO | 4.35 | WT% | XRF | |
| NA2O | 4.91 | WT% | XRF | |
| K2O | 2.12 | WT% | XRF | |
| TIO2 | 1.1 | WT% | XRF | |
| P2O5 | 0.34 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| TOTAL | 99.9 | WT% | XRF | |
| LOI | 0.1 | WT% | XRF | |
| RB | 61 | PPM | XRF | |
| SR | 421 | PPM | XRF | |
| Y | 38 | PPM | XRF | |
| ZR | 230 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 597 | PPM | XRF | |
| NI | 5 | PPM | XRF | |
| CU | 19 | PPM | XRF | |
| ZN | 81 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| SC | 17.6 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 10.2 | PPM | INAA | |
| ZN | 67 | PPM | INAA | |
| RB | 54 | PPM | INAA | |
| SR | 430 | PPM | INAA | |
| ZR | 228 | PPM | INAA | |
| SB | 0.25 | PPM | INAA | |
| CS | 2.43 | PPM | INAA | |
| BA | 571 | PPM | INAA | |
| LA | 20.3 | PPM | INAA | |
| CE | 40.7 | PPM | INAA | |
| ND | 21.5 | PPM | INAA | |
| SM | 5.5 | PPM | INAA | |
| EU | 1.49 | PPM | INAA | |
| TB | 0.842 | PPM | INAA | |
| YB | 3.35 | PPM | INAA | |
| LU | 0.491 | PPM | INAA | |
| HF | 5.36 | PPM | INAA | |
| TA | 0.59 | PPM | INAA | |
| TH | 5.62 | PPM | INAA | |
| U | 1.76 | PPM | INAA |