Sample SM-5
NavDat sample number 33095 · RHYOLITE
Sample
| Sample ID | SM-5 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 35.8698 |
|---|---|
| Longitude | -106.57 |
| Location | Valles Caldera |
| State / province | New Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.521 | 0.4689 | 0.5731 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.7 | WT% | XRF | |
| TIO2 | 0.12 | WT% | XRF | |
| AL2O3 | 12.77 | WT% | XRF | |
| FEO | 0.91 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.27 | WT% | XRF | |
| CAO | 0.59 | WT% | XRF | |
| NA2O | 3.79 | WT% | XRF | |
| K2O | 4.78 | WT% | XRF | |
| P2O5 | 0.02 | WT% | XRF | |
| LOI | 2.57 | WT% | XRF | |
| TOTAL | 99.87 | WT% | XRF | |
| RB | 208 | PPM | XRF | |
| SR | 27.2 | PPM | XRF | |
| Y | 55.7 | PPM | XRF | |
| ZR | 120 | PPM | XRF | |
| NB | 60.2 | PPM | XRF | |
| MO | 4.5 | PPM | XRF | |
| BA | 114 | PPM | XRF | |
| PB | 26 | PPM | XRF | |
| SC | 2.2 | PPM | INAA | |
| CR | -0.7 | PPM | INAA | |
| ZN | 29 | PPM | INAA | |
| CS | 6.8 | PPM | INAA | |
| LA | 37.4 | PPM | INAA | |
| CE | 76.8 | PPM | INAA | |
| ND | 20 | PPM | INAA | |
| SM | 5.9 | PPM | INAA | |
| EU | 0.199 | PPM | INAA | |
| TB | 1.21 | PPM | INAA | |
| YB | 6.12 | PPM | INAA | |
| LU | 0.97 | PPM | INAA | |
| HF | 5.1 | PPM | INAA | |
| TA | 6.2 | PPM | INAA | |
| TH | 29.5 | PPM | INAA | |
| U | 8.9 | PPM | INAA | |
| SR87_SR86 | 0.70552 | TIMS | ||
| ND143_ND144 | 0.512424 | TIMS |
References
- Spell, Terry L; Kyle, Philip R; Thirlwall, Matthew F; Campbell, AndrewR (1993) Isotopic and geochemical constraints on the origin and evolution ofpostcollapse rhyolites in the Valles Caldera, New Mexico. Journal of Geophysical Research, vol.98, no.B11, pp.19,723-19,739, 10Nov 1993 doi:10.1029/93JB01569