Sample 97RB006B
NavDat sample number 49778 · DACITE
Sample
| Sample ID | 97RB006B |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Russ Burmester |
Location
| Latitude | 47.0869 |
|---|---|
| Longitude | -115.644 |
| 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 | 65.57 | WT% | XRF | |
| TIO2 | 0.3 | WT% | XRF | |
| AL2O3 | 17.58 | WT% | XRF | |
| FEOT | 2.53 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 1.43 | WT% | XRF | |
| CAO | 3.55 | WT% | XRF | |
| NA2O | 4.56 | WT% | XRF | |
| K2O | 2.75 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| TOTAL | 98.45 | WT% | XRF | |
| LOI | 0.77 | WT% | XRF | |
| NI | -10 | PPM | XRF | |
| CR | 43 | PPM | XRF | |
| BA | 840 | PPM | XRF | |
| RB | 67 | PPM | XRF | |
| SR | 390 | PPM | XRF | |
| ZR | 188 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| NB | 14 | PPM | XRF | |
| CU | -10 | PPM | XRF | |
| ZN | 52 | PPM | XRF | |
| LA | -30 | PPM | XRF | |
| CE | 36 | PPM | XRF | |
| BA | 830 | PPM | INAA | |
| SR | 433 | PPM | INAA | |
| CO | 38.4 | PPM | INAA | |
| NI | 14.6 | PPM | INAA | |
| CR | 46 | PPM | INAA | |
| CS | 1.6 | PPM | INAA | |
| HF | 5.84 | PPM | INAA | |
| RB | 72 | PPM | INAA | |
| TA | 1.83 | PPM | INAA | |
| TH | 9.56 | PPM | INAA | |
| U | 2.18 | PPM | INAA | |
| ZN | 44 | PPM | INAA | |
| ZR | 220 | PPM | INAA | |
| SC | 7.04 | PPM | INAA | |
| LA | 30.4 | PPM | INAA | |
| CE | 56.4 | PPM | INAA | |
| ND | 23.1 | PPM | INAA | |
| SM | 4.88 | PPM | INAA | |
| EU | 0.99 | PPM | INAA | |
| TB | 0.535 | PPM | INAA | |
| YB | 1.81 | PPM | INAA | |
| LU | 0.244 | PPM | INAA |