Sample 95ID-43B
NavDat sample number 38659 · DACITE
Sample
| Sample ID | 95ID-43B |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, opx, cpx, bio, and opaques; cryptocrystalline g.m. |
Location
| Latitude | 44.4433 |
|---|---|
| Longitude | -114.227 |
| Location | Birch Creek; same locality as 95ID-42A but different dike |
| State / province | Idaho |
| Volcanic field | dike from Tdf unit, Challis Volcanic Group |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47.1 | 44.3 | 49.9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.47 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| AL2O3 | 15.34 | WT% | XRF | |
| FEOT | 4.67 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 3.04 | WT% | XRF | |
| CAO | 4.8 | WT% | XRF | |
| NA2O | 4.07 | WT% | XRF | |
| K2O | 2.54 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| LOI | 1.72 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 12 | PPM | XRF | |
| CR | 66 | PPM | XRF | |
| SC | 18 | PPM | XRF | |
| V | 94 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| CU | 8 | PPM | XRF | |
| ZN | 64 | PPM | XRF | |
| BA | 1114 | PPM | ICPMS | |
| RB | 157.3 | PPM | ICPMS | |
| SR | 519 | PPM | ICPMS | |
| U | 3.37 | PPM | ICPMS | |
| PB | 16.74 | PPM | ICPMS | |
| CS | 9.29 | PPM | ICPMS | |
| TH | 12.77 | PPM | ICPMS | |
| ZR | 206 | PPM | XRF | |
| Y | 21.81 | PPM | ICPMS | |
| NB | 17.56 | PPM | XRF | |
| HF | 5.49 | PPM | ICPMS | |
| TA | 1.15 | PPM | ICPMS | |
| LA | 44.24 | PPM | ICPMS | |
| CE | 79.73 | PPM | ICPMS | |
| PR | 8.61 | PPM | ICPMS | |
| ND | 32.65 | PPM | ICPMS | |
| SM | 6.53 | PPM | ICPMS | |
| EU | 1.51 | PPM | ICPMS | |
| GD | 4.81 | PPM | ICPMS | |
| TB | 0.74 | PPM | ICPMS | |
| DY | 4.22 | PPM | ICPMS | |
| HO | 0.8 | PPM | ICPMS | |
| ER | 2.19 | PPM | ICPMS | |
| TM | 0.3 | PPM | ICPMS | |
| YB | 1.86 | PPM | ICPMS | |
| LU | 0.3 | PPM | ICPMS | |
| SR87_SR86 | 0.70855 | TIMS | ||
| ND143_ND144 | 0.51208 | TIMS |