Sample SF9518b
NavDat sample number 40705 · DACITE
Sample
| Sample ID | SF9518b |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | greenish gray with large euhedral hornblende lathes |
Location
| Latitude | 44.5622 |
|---|---|
| Longitude | -115.07 |
| Location | NW of Stanley |
| State / province | Idaho |
| Volcanic field | Seafoam Dike Swarm |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49.8 | 49.4 | 50.2 |
Analyses
Minerial
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.54 | WT% | XRF | |
| AL2O3 | 16.45 | WT% | XRF | |
| TIO2 | 0.651 | WT% | XRF | |
| FEOT | 4.21 | WT% | XRF | |
| MNO | 0.075 | WT% | XRF | |
| CAO | 4.17 | WT% | XRF | |
| MGO | 2.8 | WT% | XRF | |
| K2O | 2.95 | WT% | XRF | |
| NA2O | 3.93 | WT% | XRF | |
| P2O5 | 0.182 | WT% | XRF | |
| TOTAL | 99.958 | WT% | XRF | |
| NI | 20 | PPM | XRF | |
| CR | 77 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| V | 68 | PPM | XRF | |
| BA | 1075 | PPM | XRF | |
| RB | 81 | PPM | XRF | |
| SR | 614 | PPM | XRF | |
| ZR | 178 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| NB | 15.1 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 61 | PPM | XRF | |
| PB | 15 | PPM | XRF | |
| TH | 10 | PPM | XRF | |
| LA | 37.26 | PPM | ICPMS | |
| CE | 64.98 | PPM | ICPMS | |
| PR | 6.86 | PPM | ICPMS | |
| ND | 25.48 | PPM | ICPMS | |
| SM | 4.98 | PPM | ICPMS | |
| EU | 1.28 | PPM | ICPMS | |
| GD | 3.91 | PPM | ICPMS | |
| TB | 0.57 | PPM | ICPMS | |
| DY | 3.19 | PPM | ICPMS | |
| HO | 0.61 | PPM | ICPMS | |
| ER | 1.59 | PPM | ICPMS | |
| TM | 0.24 | PPM | ICPMS | |
| YB | 1.39 | PPM | ICPMS | |
| LU | 0.23 | PPM | ICPMS | |
| HF | 4.57 | PPM | ICPMS | |
| TA | 0.91 | PPM | ICPMS | |
| U | 2.57 | PPM | ICPMS | |
| CS | 2.43 | PPM | ICPMS |