Sample SR-3
NavDat sample number 33088 · RHYOLITE
Sample
| Sample ID | SR-3 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 0.915 | 0.8235 | 1.0065 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76 | WT% | XRF | |
| TIO2 | 0.08 | WT% | XRF | |
| AL2O3 | 13.71 | WT% | XRF | |
| FEO | 0.89 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 0.17 | WT% | XRF | |
| CAO | 0.36 | WT% | XRF | |
| NA2O | 4.31 | WT% | XRF | |
| K2O | 4.4 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| LOI | 1.6 | WT% | XRF | |
| TOTAL | 100.56 | WT% | XRF | |
| RB | 169 | PPM | XRF | |
| SR | 4.9 | PPM | XRF | |
| Y | 60 | PPM | XRF | |
| ZR | 126 | PPM | XRF | |
| NB | 78.9 | PPM | XRF | |
| MO | 8.2 | PPM | XRF | |
| BA | 146 | PPM | XRF | |
| PB | 38 | PPM | XRF | |
| SC | 1.7 | PPM | INAA | |
| CR | -0.6 | PPM | INAA | |
| ZN | 28 | PPM | INAA | |
| CS | 6.8 | PPM | INAA | |
| LA | 28 | PPM | INAA | |
| CE | 71.8 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 6 | PPM | INAA | |
| EU | 0.103 | PPM | INAA | |
| TB | 1.43 | PPM | INAA | |
| YB | 6.3 | PPM | INAA | |
| LU | 0.942 | PPM | INAA | |
| HF | 7.2 | PPM | INAA | |
| TA | 6.7 | PPM | INAA | |
| TH | 29.1 | PPM | INAA | |
| U | 9.4 | PPM | INAA | |
| SR87_SR86 | 0.70918 | TIMS | ||
| ND143_ND144 | 0.512413 | 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