Sample Towle #1
NavDat sample number 130898 · BASALT
Sample
| Sample ID | Towle #1 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Cousens and others |
Location
| Latitude | 39.2 |
|---|---|
| Longitude | -120.667 |
| Location | Sawtooth Ridge, N.fork Amer. River |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 3.83 | 3.69 | 3.97 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 48.93 | WT% | XRF | |
| TIO2 | 0.656 | WT% | XRF | |
| AL2O3 | 15.19 | WT% | XRF | |
| FE2O3 | 9.468 | WT% | XRF | |
| MNO | 0.156 | WT% | XRF | |
| MGO | 11.97 | WT% | XRF | |
| CAO | 10.04 | WT% | XRF | |
| NA2O | 2.22 | WT% | XRF | |
| K2O | 0.511 | WT% | XRF | |
| P2O5 | 0.15 | WT% | XRF | |
| LOI | 0 | WT% | XRF | |
| V | 226 | PPM | XRF | |
| CR | 983 | PPM | XRF | |
| NI | 292 | PPM | XRF | |
| RB | 11 | PPM | XRF | |
| SR | 412 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| ZR | 52 | PPM | XRF | |
| BA | 254 | PPM | XRF | |
| LA | 8.09 | PPM | ICPMS | |
| ND | 10.8 | PPM | ICPMS | |
| YB | 1.7 | PPM | ICPMS | |
| NB | 3 | PPM | ICPMS | |
| CS | 0.268 | PPM | ICPMS | |
| HF | 1.6 | PPM | ICPMS | |
| TH | 1.23 | PPM | ICPMS | |
| PB | 3.6 | PPM | MS-ID | |
| CE | 17.67 | PPM | UNKNOWN | |
| PR | 2.479 | PPM | UNKNOWN | |
| TA | 0.24 | PPM | UNKNOWN | |
| SM | 2.47 | PPM | UNKNOWN | |
| EU | 0.828 | PPM | UNKNOWN | |
| GD | 2.747 | PPM | UNKNOWN | |
| TB | 0.45 | PPM | UNKNOWN | |
| DY | 2.727 | PPM | UNKNOWN | |
| HO | 0.626 | PPM | UNKNOWN | |
| ER | 1.749 | PPM | UNKNOWN | |
| TM | 0.27 | PPM | UNKNOWN | |
| LU | 0.265 | PPM | UNKNOWN | |
| NB | 2.9 | PPM | UNKNOWN | |
| U | 0.386 | PPM | UNKNOWN | |
| SC | 40.72 | PPM | UNKNOWN | |
| CO | 48 | PPM | UNKNOWN | |
| ZN | 80 | PPM | UNKNOWN | |
| SR87_SR86 | 0.706105 | UNKNOWN | ||
| ND143_ND144 | 0.512418 | UNKNOWN | ||
| PB208_PB204 | 38.73 | UNKNOWN | ||
| PB207_PB204 | 15.6872 | UNKNOWN | ||
| PB206_PB204 | 19.129 | 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