Sample LVQpb
NavDat sample number 36946 · BASALT
Sample
| Sample ID | LVQpb |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Alkali basalt |
Location
| Latitude | 37.745 |
|---|---|
| Longitude | -118.868 |
| Location | Long Valley Caldera |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.22 | 0.02 | 0.42 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 50.92 | WT% | XRF | |
| TIO2 | 1.62 | WT% | XRF | |
| AL2O3 | 18.01 | WT% | XRF | |
| FE2O3 | 9.14 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 5.5 | WT% | XRF | |
| CAO | 8.76 | WT% | XRF | |
| NA2O | 3.82 | WT% | XRF | |
| K2O | 1.64 | WT% | XRF | |
| P2O5 | 0.62 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| TOTAL | 100.17 | WT% | XRF | |
| BA | 1012 | PPM | XRF | |
| CR | 56 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| NI | 33 | PPM | ICPAES | |
| RB | 22 | PPM | XRF | |
| SR | 1219 | PPM | XRF | |
| V | 179 | PPM | ICPAES | |
| Y | 25 | PPM | XRF | |
| ZR | 220 | PPM | XRF | |
| LA | 46.27 | PPM | ICPMS | |
| CE | 8.32 | PPM | ICPMS | |
| PR | 12.57 | PPM | ICPMS | |
| ND | 47.97 | PPM | ICPMS | |
| SM | 8.03 | PPM | ICPMS | |
| EU | 2.4 | PPM | ICPMS | |
| GD | 6.79 | PPM | ICPMS | |
| TB | 0.94 | PPM | ICPMS | |
| DY | 4.39 | PPM | ICPMS | |
| HO | 0.89 | PPM | ICPMS | |
| ER | 2.33 | PPM | ICPMS | |
| TM | 0.33 | PPM | ICPMS | |
| YB | 2.02 | PPM | ICPMS | |
| LU | 0.3 | PPM | ICPMS | |
| SC | 19.4 | PPM | ICPAES | |
| TH | 4.25 | PPM | ICPMS | |
| U | 0.78 | PPM | ICPMS | |
| BE | 1.42 | PPM | ICPAES | |
| CO | 32 | PPM | ICPAES | |
| CS | 0.09 | PPM | ICPMS | |
| HF | 4.88 | PPM | ICPMS | |
| TA | 0.91 | PPM | ICPMS | |
| SR87_SR86 | 0.70634 | TIMS | ||
| ND143_ND144 | 0.51247 | TIMS | ||
| PB208_PB204 | 38.88 | TIMS | ||
| PB207_PB204 | 15.66 | 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