Sample 95ID-51
NavDat sample number 38628 · TRACHYANDESITE
Sample
| Sample ID | 95ID-51 |
|---|---|
| Rock name | TRACHYANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of plag, cpx, opx, oliv(?); g.m. with secondary carbonate filling vesicles |
Location
| Latitude | 44.1183 |
|---|---|
| Longitude | -114.45 |
| Location | Boulder Creek |
| State / province | Idaho |
| Volcanic field | Tl of main effusive phase, 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 | 58.47 | WT% | XRF | |
| TIO2 | 0.78 | WT% | XRF | |
| AL2O3 | 14.59 | WT% | XRF | |
| FEOT | 6.76 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 4.84 | WT% | XRF | |
| CAO | 7.94 | WT% | XRF | |
| NA2O | 2.87 | WT% | XRF | |
| K2O | 3.28 | WT% | XRF | |
| P2O5 | 0.35 | WT% | XRF | |
| LOI | 1.76 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 33 | PPM | XRF | |
| CR | 203 | PPM | XRF | |
| SC | 22 | PPM | XRF | |
| V | 172 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 19 | PPM | XRF | |
| ZN | 73 | PPM | XRF | |
| BA | 1339 | PPM | ICPMS | |
| RB | 103.8 | PPM | ICPMS | |
| SR | 581 | PPM | ICPMS | |
| U | 3.43 | PPM | ICPMS | |
| PB | 17.09 | PPM | ICPMS | |
| CS | 4.08 | PPM | ICPMS | |
| TH | 9.84 | PPM | ICPMS | |
| ZR | 165 | PPM | XRF | |
| Y | 22.36 | PPM | ICPMS | |
| NB | 15.87 | PPM | XRF | |
| HF | 4.17 | PPM | ICPMS | |
| TA | 1 | PPM | ICPMS | |
| LA | 37.53 | PPM | ICPMS | |
| CE | 67.74 | PPM | ICPMS | |
| PR | 7.46 | PPM | ICPMS | |
| ND | 29 | PPM | ICPMS | |
| SM | 6.12 | PPM | ICPMS | |
| EU | 1.63 | PPM | ICPMS | |
| GD | 4.96 | PPM | ICPMS | |
| TB | 0.75 | PPM | ICPMS | |
| DY | 4.32 | PPM | ICPMS | |
| HO | 0.83 | PPM | ICPMS | |
| ER | 2.31 | PPM | ICPMS | |
| TM | 0.31 | PPM | ICPMS | |
| YB | 1.94 | PPM | ICPMS | |
| LU | 0.31 | PPM | ICPMS | |
| SR87_SR86 | 0.70996 | TIMS | ||
| ND143_ND144 | 0.51193 | TIMS |