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Sample 85-32
NavDat sample number 88322 · RHYOLITE
Sample
| Sample ID | 85-32 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Baker and others |
Location
| Latitude | 41.3079 |
|---|
| Longitude | -121.575 |
|---|
| State / province | California |
|---|
| Volcanic field | Giant Crater Lava Field |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.0106 |
|
0.00954 |
0.01166 |
|
|
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 71.6 | | WT% | XRF |
| TIO2 | 0.29 | | WT% | XRF |
| AL2O3 | 13.3 | | WT% | XRF |
| FE2O3 | 2.15 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.8 | | WT% | XRF |
| CAO | 1.63 | | WT% | XRF |
| NA2O | 4.01 | | WT% | XRF |
| K2O | 3.85 | | WT% | XRF |
| P2O5 | 0.12 | | WT% | XRF |
| LOI | 1.95 | | WT% | XRF |
| Y | 37 | | PPM | XRF |
| SR | 134 | | PPM | XRF |
| RB | 120 | | PPM | XRF |
| NB | 9 | | PPM | XRF |
| ZR | 202 | | PPM | XRF |
| NI | 15 | | PPM | XRF |
| BA | 701 | | PPM | XRF |
| SR87_SR86 | 0.70376 | | | MS |
| ND143_ND144 | 0.512857 | | | MS |
References
- Baker, Michael B; Grove, Timothy L; Kinzler, R J; Donnelly-Nolan,Julie M; Wandless, G A (1991) Origin of compositional zonation (high-alumina basalt to basalticandesite) in the Giant Crater lava field, Medicine Lake Volcano,Northern California. Journal of Geophysical Research, vol. 96, no. B13, pp.21,819-21,842,10 Dec 1991 doi:10.1029/91JB01945