Sample SD2-1064
NavDat sample number 45824 · RHYOLITE
Sample
| Sample ID | SD2-1064 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.929 |
|---|---|
| Longitude | -106.943 |
| Location | Deerhorn Cr. Drillhole |
| State / province | COLORADO |
| Formation | Nelson Mountain Caldera cycle, Nelson Mountain Tuff, Equity phase, intracaldera |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.75 | 26 | 27.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.73 | WT% | XRF | |
| TIO2 | 0.325761 | WT% | XRF | |
| AL2O3 | 14.8379 | WT% | XRF | |
| FE2O3 | 2.2488 | WT% | XRF | |
| MGO | 0.567455 | WT% | XRF | |
| CAO | 1.83897 | WT% | XRF | |
| NA2O | 3.71998 | WT% | XRF | |
| K2O | 4.77082 | WT% | XRF | |
| P2O5 | 0.0840674 | WT% | XRF | |
| MNO | 0.0840674 | WT% | XRF | |
| LOI | 4.8 | WT% | XRF | |
| TOTAL | 99.21 | WT% | XRF | |
| ZN | 61 | PPM | XRF | |
| RB | 118 | PPM | XRF | |
| SR | 313 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 226 | PPM | XRF | |
| NB | 28 | PPM | XRF | |
| PB | 40 | PPM | XRF | |
| CU | 40 | PPM | XRF | |
| NI | 29 | PPM | XRF | |
| RB | 117 | PPM | INAA | |
| BA | 1070 | PPM | INAA | |
| SR | 304 | PPM | INAA | |
| TH | 11.5 | PPM | INAA | |
| U | 4.3 | PPM | INAA | |
| LA | 41.6 | PPM | INAA | |
| CE | 87 | PPM | INAA | |
| ND | 35.9 | PPM | INAA | |
| SM | 6.92 | PPM | INAA | |
| EU | 1.25 | PPM | INAA | |
| GD | 5.43 | PPM | INAA | |
| TB | 0.788 | PPM | INAA | |
| TM | 0.454 | PPM | INAA | |
| YB | 2.73 | PPM | INAA | |
| LU | 0.391 | PPM | INAA | |
| TA | 1.38 | PPM | INAA | |
| ZR | 207 | PPM | INAA | |
| HF | 6.61 | PPM | INAA | |
| SB | 0.264 | PPM | INAA | |
| SC | 4.27 | PPM | INAA | |
| CR | 1.41 | PPM | INAA | |
| CO | 2.57 | PPM | INAA | |
| NI | 8.09 | PPM | INAA | |
| ZN | 64.9 | PPM | INAA |