Sample PBQa-3
NavDat sample number 36935 · BASALT
Sample
| Sample ID | PBQa-3 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Alkali basalt |
Location
| Latitude | 37.56 |
|---|---|
| Longitude | -119.062 |
| 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 | 56.68 | WT% | XRF | |
| TIO2 | 1.65 | WT% | XRF | |
| AL2O3 | 16.68 | WT% | XRF | |
| FE2O3 | 9 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 3.01 | WT% | XRF | |
| CAO | 5.95 | WT% | XRF | |
| NA2O | 4.31 | WT% | XRF | |
| K2O | 2.28 | WT% | XRF | |
| P2O5 | 0.39 | WT% | XRF | |
| LOI | 0.12 | WT% | XRF | |
| TOTAL | 100.07 | WT% | XRF | |
| BA | 1136 | PPM | XRF | |
| CR | 32 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| NI | 6 | PPM | ICPAES | |
| RB | 47 | PPM | XRF | |
| SR | 790 | PPM | XRF | |
| V | 202 | PPM | ICPAES | |
| Y | 23 | PPM | XRF | |
| ZR | 207 | PPM | XRF | |
| LA | 32.36 | PPM | ICPMS | |
| CE | 69.39 | PPM | ICPMS | |
| PR | 8.56 | PPM | ICPMS | |
| ND | 32.47 | PPM | ICPMS | |
| SM | 6.09 | PPM | ICPMS | |
| EU | 1.91 | PPM | ICPMS | |
| GD | 5.14 | PPM | ICPMS | |
| TB | 0.75 | PPM | ICPMS | |
| DY | 3.91 | PPM | ICPMS | |
| HO | 0.81 | PPM | ICPMS | |
| ER | 2.06 | PPM | ICPMS | |
| TM | 0.3 | PPM | ICPMS | |
| YB | 1.84 | PPM | ICPMS | |
| LU | 0.28 | PPM | ICPMS | |
| SC | 16.8 | PPM | ICPAES | |
| TH | 4.04 | PPM | ICPMS | |
| U | 1.32 | PPM | ICPMS | |
| BE | 1.75 | PPM | ICPAES | |
| CO | 24 | PPM | ICPAES | |
| CS | 0.91 | PPM | ICPMS | |
| HF | 5.08 | PPM | ICPMS | |
| TA | 0.85 | PPM | ICPMS | |
| SR87_SR86 | 0.70629 | TIMS | ||
| ND143_ND144 | 0.51251 | 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