Sample 116
NavDat sample number 18421 · DACITE
Sample
| Sample ID | 116 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | phenos of plag and hb; hyalopilitic groundmass |
Location
| Latitude | 44.3706 |
|---|---|
| Longitude | -114.9 |
| Location | above upper Basin Creek |
| State / province | Idaho |
| Volcanic field | Challis Volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 46 | 43 | 49 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.25 | WT% | AAS | |
| TIO2 | 0.72 | WT% | AAS | |
| AL2O3 | 16.41 | WT% | AAS | |
| FE2O3 | 2.25 | WT% | AAS | |
| FEO | 2.27 | WT% | TIT | |
| MNO | 0.07 | WT% | AAS | |
| MGO | 1.27 | WT% | AAS | |
| CAO | 4.68 | WT% | AAS | |
| NA2O | 4.22 | WT% | AAS | |
| K2O | 1.7 | WT% | AAS | |
| P2O5 | 0.28 | WT% | AAS | |
| H2O_PLUS | 2.51 | WT% | UNKNOWN | |
| H2O_MINUS | 1.3 | WT% | UNKNOWN | |
| TOTAL | 99.93 | WT% | AAS | |
| RB | 106 | PPM | XRF | |
| SR | 724 | PPM | XRF | |
| BA | 1793 | PPM | AAS | |
| NI | 11 | PPM | AAS | |
| CR | 24 | PPM | AAS | |
| ZR | 230 | PPM | XRF | |
| ZN | 87 | PPM | AAS | |
| CU | 20 | PPM | AAS |