Sample 501
NavDat sample number 53378 · DACITE
Sample
| Sample ID | 501 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.555 |
|---|---|
| Longitude | -121.763 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.81 | 0.583 | 3.04 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.1 | WT% | XRF | |
| AL2O3 | 17 | WT% | XRF | |
| FEOT | 3.91 | WT% | XRF | |
| MGO | 0.88 | WT% | XRF | |
| CAO | 2.94 | WT% | XRF | |
| NA2O | 4.83 | WT% | XRF | |
| K2O | 2.66 | WT% | XRF | |
| TIO2 | 0.44 | WT% | XRF | |
| P2O5 | 0.18 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 98.33 | WT% | XRF | |
| LOI | 0.93 | WT% | XRF | |
| RB | 66 | PPM | XRF | |
| SR | 345 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 229 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 809 | PPM | XRF | |
| SC | 4.5 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 3.6 | PPM | INAA | |
| RB | 60 | PPM | INAA | |
| SR | 340 | PPM | INAA | |
| ZR | 197 | PPM | INAA | |
| SB | 0.12 | PPM | INAA | |
| CS | 2.95 | PPM | INAA | |
| BA | 739 | PPM | INAA | |
| LA | 20.6 | PPM | INAA | |
| CE | 42.4 | PPM | INAA | |
| ND | 19.5 | PPM | INAA | |
| SM | 4.13 | PPM | INAA | |
| EU | 1.08 | PPM | INAA | |
| GD | 3.54 | PPM | INAA | |
| TB | 0.628 | PPM | INAA | |
| DY | 4.06 | PPM | INAA | |
| TM | 0.38 | PPM | INAA | |
| YB | 2.52 | PPM | INAA | |
| LU | 0.389 | PPM | INAA | |
| HF | 5.11 | PPM | INAA | |
| TA | 0.561 | PPM | INAA | |
| TH | 5.68 | PPM | INAA | |
| U | 2.03 | PPM | INAA | |
| MN | 780 | PPM | INAA |