Sample 97-LT-90
NavDat sample number 130829 · BASALT
Sample
| Sample ID | 97-LT-90 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Cousens and others |
Location
| Latitude | 39.1898 |
|---|---|
| Longitude | -120.26 |
| Location | Squaw 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 | 53.7 | WT% | XRF | |
| TIO2 | 0.722 | WT% | XRF | |
| AL2O3 | 14.4 | WT% | XRF | |
| FE2O3 | 8.99 | WT% | XRF | |
| MNO | 0.2193 | WT% | XRF | |
| MGO | 6.176 | WT% | XRF | |
| CAO | 9.846 | WT% | XRF | |
| NA2O | 2.37 | WT% | XRF | |
| K2O | 1.152 | WT% | XRF | |
| P2O5 | 0.179 | WT% | XRF | |
| LOI | 1.5 | WT% | XRF | |
| V | 235 | PPM | XRF | |
| CR | 290 | PPM | XRF | |
| NI | 29 | PPM | XRF | |
| RB | 10 | PPM | XRF | |
| SR | 833 | PPM | XRF | |
| Y | 12 | PPM | XRF | |
| ZR | 68 | PPM | XRF | |
| BA | 351 | PPM | XRF | |
| LA | 11.34 | PPM | ICPMS | |
| ND | 14.91 | PPM | ICPMS | |
| YB | 1.2 | PPM | ICPMS | |
| NB | 5 | PPM | ICPMS | |
| CS | 0.18 | PPM | ICPMS | |
| HF | 1.91 | PPM | ICPMS | |
| TH | 1.94 | PPM | ICPMS | |
| CE | 25.06 | PPM | UNKNOWN | |
| PR | 3.47 | PPM | UNKNOWN | |
| TA | 0.2 | PPM | UNKNOWN | |
| SM | 3.21 | PPM | UNKNOWN | |
| EU | 0.96 | PPM | UNKNOWN | |
| GD | 2.78 | PPM | UNKNOWN | |
| TB | 0.39 | PPM | UNKNOWN | |
| DY | 2.44 | PPM | UNKNOWN | |
| HO | 0.47 | PPM | UNKNOWN | |
| ER | 1.32 | PPM | UNKNOWN | |
| TM | 0.19 | PPM | UNKNOWN | |
| LU | 0.19 | PPM | UNKNOWN | |
| NB | 2.8 | PPM | UNKNOWN | |
| U | 0.69 | PPM | UNKNOWN | |
| CO | 34 | PPM | UNKNOWN | |
| ZN | 91 | PPM | UNKNOWN | |
| SR87_SR86 | 0.703834 | UNKNOWN | ||
| ND143_ND144 | 0.512707 | UNKNOWN | ||
| PB208_PB204 | 38.481 | UNKNOWN | ||
| PB207_PB204 | 15.617 | UNKNOWN | ||
| PB206_PB204 | 18.86 | 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