Sample 95ID-47
NavDat sample number 38662 · DACITE
Sample
| Sample ID | 95ID-47 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, cpx, opx, opaq; cryptocrystalline g.m. |
Location
| Latitude | 44.505 |
|---|---|
| Longitude | -114.133 |
| Location | Leaton Gulch; same locality as 95ID-46 |
| State / province | Idaho |
| Volcanic field | Tdf, Challis Volcanic Group |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49 | 48 | 50 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.91 | WT% | XRF | |
| TIO2 | 0.75 | WT% | XRF | |
| AL2O3 | 15.3 | WT% | XRF | |
| FEOT | 4.45 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 3.08 | WT% | XRF | |
| CAO | 4.81 | WT% | XRF | |
| NA2O | 3.96 | WT% | XRF | |
| K2O | 2.4 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| LOI | 2.24 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 12 | PPM | XRF | |
| CR | 70 | PPM | XRF | |
| SC | 18 | PPM | XRF | |
| V | 101 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| CU | 10 | PPM | XRF | |
| ZN | 67 | PPM | XRF | |
| BA | 1094 | PPM | ICPMS | |
| RB | 152 | PPM | ICPMS | |
| SR | 495 | PPM | ICPMS | |
| U | 3.38 | PPM | ICPMS | |
| PB | 16.47 | PPM | ICPMS | |
| CS | 8.88 | PPM | ICPMS | |
| TH | 12.74 | PPM | ICPMS | |
| ZR | 208 | PPM | XRF | |
| Y | 21.7 | PPM | ICPMS | |
| NB | 17.53 | PPM | XRF | |
| HF | 5.36 | PPM | ICPMS | |
| TA | 1.15 | PPM | ICPMS | |
| LA | 44.46 | PPM | ICPMS | |
| CE | 79.03 | PPM | ICPMS | |
| PR | 8.52 | PPM | ICPMS | |
| ND | 32.23 | PPM | ICPMS | |
| SM | 6.41 | PPM | ICPMS | |
| EU | 1.49 | PPM | ICPMS | |
| GD | 4.79 | PPM | ICPMS | |
| TB | 0.73 | PPM | ICPMS | |
| DY | 4.1 | PPM | ICPMS | |
| HO | 0.79 | PPM | ICPMS | |
| ER | 2.17 | PPM | ICPMS | |
| TM | 0.29 | PPM | ICPMS | |
| YB | 1.82 | PPM | ICPMS | |
| LU | 0.29 | PPM | ICPMS |