Sample 01-LT-02
NavDat sample number 130840 · ANDESITE
Sample
| Sample ID | 01-LT-02 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Cousens and others |
| Comment | hornblende andesite |
Location
| Latitude | 39.2837 |
|---|---|
| Longitude | -120.039 |
| Location | Martis Peak |
| 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 | 59.12 | WT% | XRF | |
| TIO2 | 0.679 | WT% | XRF | |
| AL2O3 | 17.69 | WT% | XRF | |
| FE2O3 | 6.035 | WT% | XRF | |
| MNO | 0.1042 | WT% | XRF | |
| MGO | 2.943 | WT% | XRF | |
| CAO | 6.204 | WT% | XRF | |
| NA2O | 3.753 | WT% | XRF | |
| K2O | 2.008 | WT% | XRF | |
| P2O5 | 0.237 | WT% | XRF | |
| LOI | 0.6 | WT% | XRF | |
| V | 138 | PPM | XRF | |
| CR | 31 | PPM | XRF | |
| NI | 24 | PPM | XRF | |
| RB | 45.9 | PPM | XRF | |
| SR | 652 | PPM | XRF | |
| Y | 20.8 | PPM | XRF | |
| ZR | 163.5 | PPM | XRF | |
| BA | 1196 | PPM | XRF | |
| LA | 19.18 | PPM | ICPMS | |
| ND | 18.85 | PPM | ICPMS | |
| YB | 1.58 | PPM | ICPMS | |
| NB | 7.5 | PPM | ICPMS | |
| CS | 1.61 | PPM | ICPMS | |
| HF | 4.11 | PPM | ICPMS | |
| TH | 4.48 | PPM | ICPMS | |
| PB | 12.17 | PPM | MS-ID | |
| CE | 38.26 | PPM | UNKNOWN | |
| PR | 4.81 | PPM | UNKNOWN | |
| TA | 0.4 | PPM | UNKNOWN | |
| SM | 3.79 | PPM | UNKNOWN | |
| EU | 0.93 | PPM | UNKNOWN | |
| GD | 3.2 | PPM | UNKNOWN | |
| TB | 0.46 | PPM | UNKNOWN | |
| DY | 2.8 | PPM | UNKNOWN | |
| HO | 0.56 | PPM | UNKNOWN | |
| ER | 1.55 | PPM | UNKNOWN | |
| TM | 0.23 | PPM | UNKNOWN | |
| LU | 0.237 | PPM | UNKNOWN | |
| NB | 7.15 | PPM | UNKNOWN | |
| U | 1.7 | PPM | UNKNOWN | |
| SC | 11.74 | PPM | UNKNOWN | |
| CO | 14 | PPM | UNKNOWN | |
| ZN | 80 | PPM | UNKNOWN | |
| SR87_SR86 | 0.705483 | UNKNOWN | ||
| PB208_PB204 | 38.731 | UNKNOWN | ||
| PB207_PB204 | 15.638 | UNKNOWN | ||
| PB206_PB204 | 18.999 | 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