Sample SM-6
NavDat sample number 33096 · RHYOLITE
Sample
| Sample ID | SM-6 |
|---|---|
| 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 | 75.6 | WT% | XRF | |
| TIO2 | 0.13 | WT% | XRF | |
| AL2O3 | 13.28 | WT% | XRF | |
| FEO | 0.98 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.34 | WT% | XRF | |
| CAO | 0.65 | WT% | XRF | |
| NA2O | 4.01 | WT% | XRF | |
| K2O | 4.89 | WT% | XRF | |
| P2O5 | 0.02 | WT% | XRF | |
| LOI | 1.95 | WT% | XRF | |
| TOTAL | 100.41 | WT% | XRF | |
| RB | 220 | PPM | XRF | |
| SR | 28.4 | PPM | XRF | |
| Y | 60 | PPM | XRF | |
| ZR | 120 | PPM | XRF | |
| NB | 62.4 | PPM | XRF | |
| MO | 5.2 | PPM | XRF | |
| BA | 126 | PPM | XRF | |
| PB | 26 | PPM | XRF | |
| SC | 2.4 | PPM | INAA | |
| CR | -0.6 | PPM | INAA | |
| ZN | 21 | PPM | INAA | |
| CS | 7.4 | PPM | INAA | |
| LA | 36.3 | PPM | INAA | |
| CE | 76 | PPM | INAA | |
| ND | 24 | PPM | INAA | |
| SM | 6.2 | PPM | INAA | |
| EU | 0.239 | PPM | INAA | |
| TB | 1.34 | PPM | INAA | |
| YB | 5.65 | PPM | INAA | |
| LU | 0.975 | PPM | INAA | |
| HF | 4.6 | PPM | INAA | |
| TA | 6.2 | PPM | INAA | |
| TH | 28.2 | PPM | INAA | |
| SR87_SR86 | 0.70532 | 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