Sample DM-3
NavDat sample number 33080 · RHYOLITE
Sample
| Sample ID | DM-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 |
|---|---|---|---|---|---|
| 1.133 | 1.0197 | 1.2463 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.4 | WT% | XRF | |
| TIO2 | 0.08 | WT% | XRF | |
| AL2O3 | 12.33 | WT% | XRF | |
| FEO | 0.95 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.04 | WT% | XRF | |
| CAO | 0.34 | WT% | XRF | |
| NA2O | 4 | WT% | XRF | |
| K2O | 4.82 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| LOI | 3.33 | WT% | XRF | |
| TOTAL | 99.64 | WT% | XRF | |
| RB | 153 | PPM | XRF | |
| SR | 4 | PPM | XRF | |
| Y | 44.4 | PPM | XRF | |
| ZR | 155 | PPM | XRF | |
| NB | 50.3 | PPM | XRF | |
| MO | 5 | PPM | XRF | |
| BA | 24 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| SC | 1.4 | PPM | INAA | |
| CR | -0.6 | PPM | INAA | |
| ZN | 32 | PPM | INAA | |
| CS | 5.3 | PPM | INAA | |
| LA | 44.2 | PPM | INAA | |
| CE | 90 | PPM | INAA | |
| ND | 34 | PPM | INAA | |
| SM | 6.7 | PPM | INAA | |
| EU | 0.173 | PPM | INAA | |
| TB | 1.23 | PPM | INAA | |
| YB | 4.58 | PPM | INAA | |
| LU | 0.676 | PPM | INAA | |
| HF | 6.9 | PPM | INAA | |
| TA | 3.8 | PPM | INAA | |
| TH | 17.1 | PPM | INAA | |
| U | 5.6 | PPM | INAA | |
| SR87_SR86 | 0.70923 | TIMS | ||
| ND143_ND144 | 0.512445 | 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