Sample 95ID-50
NavDat sample number 38686
Sample
| Sample ID | 95ID-50 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of oliv, cpx; glomeroporphyritic |
Location
| Latitude | 44.25 |
|---|---|
| Longitude | -114.443 |
| Location | Birch Creek |
| State / province | Idaho |
| Volcanic field | Tbal of early 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 | 55.39 | WT% | XRF | |
| TIO2 | 1 | WT% | XRF | |
| AL2O3 | 14.16 | WT% | XRF | |
| FEOT | 6.96 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 3.88 | WT% | XRF | |
| CAO | 11.84 | WT% | XRF | |
| NA2O | 3.28 | WT% | XRF | |
| K2O | 2.85 | WT% | XRF | |
| P2O5 | 0.51 | WT% | XRF | |
| LOI | 4.72 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 42 | PPM | XRF | |
| CR | 219 | PPM | XRF | |
| SC | 20 | PPM | XRF | |
| V | 170 | PPM | XRF | |
| GA | 22 | PPM | XRF | |
| CU | 47 | PPM | XRF | |
| ZN | 77 | PPM | XRF | |
| BA | 1060 | PPM | ICPMS | |
| RB | 97.5 | PPM | ICPMS | |
| SR | 735 | PPM | ICPMS | |
| U | 1.65 | PPM | ICPMS | |
| PB | 11.51 | PPM | ICPMS | |
| CS | 1.01 | PPM | ICPMS | |
| TH | 8.18 | PPM | ICPMS | |
| ZR | 241 | PPM | XRF | |
| Y | 23.75 | PPM | ICPMS | |
| NB | 15.78 | PPM | XRF | |
| HF | 5.99 | PPM | ICPMS | |
| TA | 0.77 | PPM | ICPMS | |
| LA | 52.65 | PPM | ICPMS | |
| CE | 100.45 | PPM | ICPMS | |
| PR | 11.64 | PPM | ICPMS | |
| ND | 47.22 | PPM | ICPMS | |
| SM | 9.53 | PPM | ICPMS | |
| EU | 2.45 | PPM | ICPMS | |
| GD | 7.22 | PPM | ICPMS | |
| TB | 0.98 | PPM | ICPMS | |
| DY | 4.99 | PPM | ICPMS | |
| HO | 0.91 | PPM | ICPMS | |
| ER | 2.26 | PPM | ICPMS | |
| TM | 0.3 | PPM | ICPMS | |
| YB | 1.87 | PPM | ICPMS | |
| LU | 0.27 | PPM | ICPMS |