Sample VC1-R
NavDat sample number 33098 · RHYOLITE
Sample
| Sample ID | VC1-R |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 0.3 | 0.27 | 0.33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.9 | WT% | XRF | |
| TIO2 | 0.27 | WT% | XRF | |
| AL2O3 | 12.91 | WT% | XRF | |
| FEO | 1.71 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.6 | WT% | XRF | |
| CAO | 1.24 | WT% | XRF | |
| NA2O | 3.76 | WT% | XRF | |
| K2O | 4.51 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| LOI | 0.75 | WT% | XRF | |
| TOTAL | 100.41 | WT% | XRF | |
| RB | 166 | PPM | XRF | |
| SR | 120.6 | PPM | XRF | |
| Y | 31.7 | PPM | XRF | |
| ZR | 135 | PPM | XRF | |
| NB | 40.3 | PPM | XRF | |
| MO | 3.9 | PPM | XRF | |
| BA | 486 | PPM | XRF | |
| PB | 23 | PPM | XRF | |
| SC | 3.6 | PPM | INAA | |
| CR | 6.9 | PPM | INAA | |
| ZN | 32 | PPM | INAA | |
| CS | 5.2 | PPM | INAA | |
| LA | 36.1 | PPM | INAA | |
| CE | 70.2 | PPM | INAA | |
| ND | 23 | PPM | INAA | |
| SM | 3.9 | PPM | INAA | |
| EU | 0.445 | PPM | INAA | |
| TB | 0.68 | PPM | INAA | |
| YB | 3.66 | PPM | INAA | |
| LU | 0.586 | PPM | INAA | |
| HF | 5.1 | PPM | INAA | |
| TA | 3.8 | PPM | INAA | |
| TH | 21.5 | PPM | INAA | |
| SR87_SR86 | 0.70478 | TIMS | ||
| ND143_ND144 | 0.512486 | 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