Sample E62989-8
NavDat sample number 49770 · DACITE
Sample
| Sample ID | E62989-8 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Bruce Eversmeyer |
Location
| Latitude | 45.7196 |
|---|---|
| Longitude | -115.276 |
| State / province | Idaho |
| Volcanic field | Challis volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47 | 43 | 52 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.8 | WT% | XRF | |
| TIO2 | 0.39 | WT% | XRF | |
| AL2O3 | 15.1 | WT% | XRF | |
| FEOT | 2.98 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.77 | WT% | XRF | |
| CAO | 2.79 | WT% | XRF | |
| NA2O | 3.77 | WT% | XRF | |
| K2O | 3.79 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| TOTAL | 97.62 | WT% | XRF | |
| LOI | 0.45 | WT% | XRF | |
| FEO | 1.78 | WT% | TIT | |
| FE2O3 | 1.33 | WT% | TIT | |
| NI | -10 | PPM | XRF | |
| CR | -20 | PPM | XRF | |
| BA | 920 | PPM | XRF | |
| RB | 62 | PPM | XRF | |
| SR | 840 | PPM | XRF | |
| ZR | 210 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| CU | -10 | PPM | XRF | |
| ZN | 53 | PPM | XRF | |
| LA | 38 | PPM | XRF | |
| CE | 70 | PPM | XRF | |
| BA | 930 | PPM | INAA | |
| SR | 950 | PPM | INAA | |
| CO | 60.9 | PPM | INAA | |
| CR | 23.8 | PPM | INAA | |
| CS | 0.66 | PPM | INAA | |
| HF | 5.12 | PPM | INAA | |
| RB | 66 | PPM | INAA | |
| SB | 0.09 | PPM | INAA | |
| TA | 1.93 | PPM | INAA | |
| TH | 9.07 | PPM | INAA | |
| U | 0.87 | PPM | INAA | |
| ZN | 50.3 | PPM | INAA | |
| ZR | 214 | PPM | INAA | |
| SC | 9.43 | PPM | INAA | |
| LA | 35.9 | PPM | INAA | |
| CE | 69 | PPM | INAA | |
| ND | 29.7 | PPM | INAA | |
| SM | 6.31 | PPM | INAA | |
| EU | 1.1 | PPM | INAA | |
| TB | 0.658 | PPM | INAA | |
| YB | 1.48 | PPM | INAA | |
| LU | 0.2 | PPM | INAA |