Sample RCQyb-2
NavDat sample number 36950 · BASALT
Sample
| Sample ID | RCQyb-2 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Subalkaline basalt |
Location
| Latitude | 37.5883 |
|---|---|
| Longitude | -119.062 |
| Location | Long Valley Caldera |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.013 | 0.0117 | 0.0143 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 50.29 | WT% | XRF | |
| TIO2 | 1.29 | WT% | XRF | |
| AL2O3 | 17.1 | WT% | XRF | |
| FE2O3 | 9.48 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 7.84 | WT% | XRF | |
| CAO | 9.51 | WT% | XRF | |
| NA2O | 3.11 | WT% | XRF | |
| K2O | 0.78 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| TOTAL | 99.78 | WT% | XRF | |
| BA | 391 | PPM | XRF | |
| CR | 345 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| NI | 121 | PPM | ICPAES | |
| RB | 14 | PPM | XRF | |
| SR | 573 | PPM | XRF | |
| V | 167 | PPM | ICPAES | |
| Y | 23 | PPM | XRF | |
| ZR | 138 | PPM | XRF | |
| LA | 12.71 | PPM | ICPMS | |
| CE | 30.23 | PPM | ICPMS | |
| PR | 3.97 | PPM | ICPMS | |
| ND | 16.35 | PPM | ICPMS | |
| SM | 3.72 | PPM | ICPMS | |
| EU | 1.33 | PPM | ICPMS | |
| GD | 3.74 | PPM | ICPMS | |
| TB | 0.6 | PPM | ICPMS | |
| DY | 3.54 | PPM | ICPMS | |
| HO | 0.73 | PPM | ICPMS | |
| ER | 2.06 | PPM | ICPMS | |
| TM | 0.29 | PPM | ICPMS | |
| YB | 1.87 | PPM | ICPMS | |
| LU | 0.29 | PPM | ICPMS | |
| SC | 26.4 | PPM | ICPAES | |
| TH | 1.17 | PPM | ICPMS | |
| U | 0.39 | PPM | ICPMS | |
| BE | 0.98 | PPM | ICPAES | |
| CO | 39 | PPM | ICPAES | |
| CS | 0.27 | PPM | ICPMS | |
| HF | 3.05 | PPM | ICPMS | |
| TA | 0.42 | PPM | ICPMS | |
| SR87_SR86 | 0.70531 | TIMS | ||
| ND143_ND144 | 0.51277 | TIMS | ||
| PB208_PB204 | 38.91 | TIMS | ||
| PB207_PB204 | 15.68 | TIMS | ||
| PB206_PB204 | 19.22 | TIMS |
References
- Cousens, Brian L (1996) Magmatic evolution of Quaternary mafic magmas at Long Valley Calderaand the Devils Postpile, California; effects of crustal contaminationon lithospheric mantle-derived magmas. Journal of Geophysical Research, vol.101, no.B12, pp.27,673-27,689, 10Dec 1996 doi:10.1029/96JB02093