Sample 97-LT-30PA
NavDat sample number 130813 · ANDESITE
Sample
| Sample ID | 97-LT-30PA |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Cousens and others |
| Comment | pyroxene andesite |
Location
| Latitude | 39.3676 |
|---|---|
| Longitude | -120.222 |
| Location | Alder Hill |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14 | 1 | 28 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.26 | WT% | XRF | |
| TIO2 | 0.614 | WT% | XRF | |
| AL2O3 | 18.18 | WT% | XRF | |
| FE2O3 | 6.804 | WT% | XRF | |
| MNO | 0.1229 | WT% | XRF | |
| MGO | 2.859 | WT% | XRF | |
| CAO | 6.51 | WT% | XRF | |
| NA2O | 3.54 | WT% | XRF | |
| K2O | 1.587 | WT% | XRF | |
| P2O5 | 0.282 | WT% | XRF | |
| LOI | 1 | WT% | XRF | |
| V | 129 | PPM | XRF | |
| CR | 25 | PPM | XRF | |
| NI | 10 | PPM | XRF | |
| RB | 42 | PPM | XRF | |
| SR | 722 | PPM | XRF | |
| Y | 19 | PPM | XRF | |
| ZR | 131 | PPM | XRF | |
| BA | 1055 | PPM | XRF | |
| LA | 24.88 | PPM | ICPMS | |
| ND | 23.47 | PPM | ICPMS | |
| YB | 1.67 | PPM | ICPMS | |
| NB | 9 | PPM | ICPMS | |
| CS | 2.12 | PPM | ICPMS | |
| HF | 3.3 | PPM | ICPMS | |
| TH | 3.68 | PPM | ICPMS | |
| CE | 46.6 | PPM | UNKNOWN | |
| PR | 6.02 | PPM | UNKNOWN | |
| TA | 0.4 | PPM | UNKNOWN | |
| SM | 4.35 | PPM | UNKNOWN | |
| EU | 1.2 | PPM | UNKNOWN | |
| GD | 3.63 | PPM | UNKNOWN | |
| TB | 0.52 | PPM | UNKNOWN | |
| DY | 3.23 | PPM | UNKNOWN | |
| HO | 0.61 | PPM | UNKNOWN | |
| ER | 1.85 | PPM | UNKNOWN | |
| TM | 0.25 | PPM | UNKNOWN | |
| LU | 0.28 | PPM | UNKNOWN | |
| NB | 6.37 | PPM | UNKNOWN | |
| U | 1.34 | PPM | UNKNOWN | |
| CO | 16 | PPM | UNKNOWN | |
| ZN | 96 | PPM | UNKNOWN | |
| SR87_SR86 | 0.705278 | UNKNOWN | ||
| ND143_ND144 | 0.512614 | UNKNOWN | ||
| PB208_PB204 | 38.675 | UNKNOWN | ||
| PB207_PB204 | 15.625 | UNKNOWN | ||
| PB206_PB204 | 18.98 | UNKNOWN |
References
- Cousens, Brian; Prytulak, Julie; Henry, Christopher; Alcazar, Al; Brownrigg, Tim (2008) Geology, geochronology, and geochemistry of the Miocene-Pliocene ancestral Cascades Arc, northern Sierra Nevada, California and Nevada;the roles of the upper mantle, subducting slab, and the Sierra Nevadalithosphere. Geosphere, vol. 4, no. 5, pp.829-853, Oct 2008 doi:10.1130/GES00166.1