Sample DM-10
NavDat sample number 33083 · RHYOLITE
Sample
| Sample ID | DM-10 |
|---|---|
| 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 | 76.9 | WT% | XRF | |
| TIO2 | 0.1 | WT% | XRF | |
| AL2O3 | 12.58 | WT% | XRF | |
| FEO | 0.81 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 0.27 | WT% | XRF | |
| CAO | 0.35 | WT% | XRF | |
| NA2O | 4.3 | WT% | XRF | |
| K2O | 4.6 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| LOI | 0.49 | WT% | XRF | |
| TOTAL | 100.31 | WT% | XRF | |
| RB | 154 | PPM | XRF | |
| SR | 3.7 | PPM | XRF | |
| Y | 45.5 | PPM | XRF | |
| ZR | 165 | PPM | XRF | |
| NB | 51.8 | PPM | XRF | |
| MO | 5.9 | PPM | XRF | |
| BA | 25 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| SC | 1.4 | PPM | INAA | |
| CR | -0.2 | PPM | INAA | |
| ZN | 40 | PPM | INAA | |
| CS | 5.1 | PPM | INAA | |
| LA | 44.3 | PPM | INAA | |
| CE | 90.9 | PPM | INAA | |
| ND | 33 | PPM | INAA | |
| SM | 6.7 | PPM | INAA | |
| EU | 0.184 | PPM | INAA | |
| TB | 1.2 | PPM | INAA | |
| YB | 4.42 | PPM | INAA | |
| LU | 0.663 | PPM | INAA | |
| HF | 6.8 | PPM | INAA | |
| TA | 3.8 | PPM | INAA | |
| TH | 17 | PPM | INAA | |
| U | 5.5 | PPM | INAA | |
| SR87_SR86 | 0.70996 | 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