Sample 293
NavDat sample number 52836 · DACITE
Sample
| Sample ID | 293 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5967 |
|---|---|
| Longitude | -121.465 |
| 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 | 69.3 | WT% | XRF | |
| AL2O3 | 15.4 | WT% | XRF | |
| FEOT | 3.1 | WT% | XRF | |
| MGO | 0.84 | WT% | XRF | |
| CAO | 2.37 | WT% | XRF | |
| NA2O | 4.56 | WT% | XRF | |
| K2O | 3.6 | WT% | XRF | |
| TIO2 | 0.63 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| TOTAL | 98.95 | WT% | XRF | |
| LOI | 0.4 | WT% | XRF | |
| FEOT | 2.4 | WT% | WET | |
| H2O_PLUS | 0.24 | WT% | WET | |
| H2O_MINUS | 0.13 | WT% | WET | |
| CO2 | 0.05 | WT% | WET | |
| RB | 97 | PPM | XRF | |
| SR | 210 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 270 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 736 | PPM | XRF | |
| ZN | 53 | PPM | XRF | |
| SC | 8.5 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 4.4 | PPM | INAA | |
| RB | 96 | PPM | INAA | |
| SR | 202 | PPM | INAA | |
| ZR | 253 | PPM | INAA | |
| SB | 0.63 | PPM | INAA | |
| CS | 5.75 | PPM | INAA | |
| BA | 736 | PPM | INAA | |
| LA | 20.7 | PPM | INAA | |
| CE | 40.7 | PPM | INAA | |
| ND | 24.1 | PPM | INAA | |
| SM | 4.75 | PPM | INAA | |
| EU | 0.969 | PPM | INAA | |
| GD | 4.27 | PPM | INAA | |
| TB | 0.735 | PPM | INAA | |
| DY | 4.69 | PPM | INAA | |
| TM | 0.52 | PPM | INAA | |
| YB | 3.01 | PPM | INAA | |
| LU | 0.461 | PPM | INAA | |
| HF | 6.26 | PPM | INAA | |
| TA | 0.763 | PPM | INAA | |
| TH | 9.33 | PPM | INAA | |
| U | 3.85 | PPM | INAA | |
| MN | 507 | PPM | INAA |