Sample HLQpb
NavDat sample number 36931 · BASALT
Sample
| Sample ID | HLQpb |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Alkali basalt |
Location
| Latitude | 37.6125 |
|---|---|
| Longitude | -119.02 |
| Location | Long Valley Caldera |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.9 | 0.8 | 1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 48.97 | WT% | XRF | |
| TIO2 | 1.26 | WT% | XRF | |
| AL2O3 | 14.69 | WT% | XRF | |
| FE2O3 | 8.84 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 10.05 | WT% | XRF | |
| CAO | 10.57 | WT% | XRF | |
| NA2O | 2.6 | WT% | XRF | |
| K2O | 1.83 | WT% | XRF | |
| P2O5 | 0.75 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| TOTAL | 99.69 | WT% | XRF | |
| BA | 1515 | PPM | XRF | |
| CR | 560 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| NI | 191 | PPM | ICPAES | |
| RB | 24 | PPM | XRF | |
| SR | 2025 | PPM | XRF | |
| V | 170 | PPM | ICPAES | |
| Y | 19 | PPM | XRF | |
| ZR | 193 | PPM | XRF | |
| LA | 65.37 | PPM | ICPMS | |
| CE | 138.72 | PPM | ICPMS | |
| PR | 18.3 | PPM | ICPMS | |
| ND | 67.72 | PPM | ICPMS | |
| SM | 10.8 | PPM | ICPMS | |
| EU | 2.85 | PPM | ICPMS | |
| GD | 7.59 | PPM | ICPMS | |
| TB | 0.92 | PPM | ICPMS | |
| DY | 4.03 | PPM | ICPMS | |
| HO | 0.75 | PPM | ICPMS | |
| ER | 1.89 | PPM | ICPMS | |
| TM | 0.26 | PPM | ICPMS | |
| YB | 1.55 | PPM | ICPMS | |
| LU | 0.24 | PPM | ICPMS | |
| SC | 23.8 | PPM | ICPAES | |
| TH | 5.65 | PPM | ICPMS | |
| U | 1.31 | PPM | ICPMS | |
| BE | 1.49 | PPM | ICPAES | |
| CO | 40 | PPM | ICPAES | |
| CS | 0.28 | PPM | ICPMS | |
| HF | 4.49 | PPM | ICPMS | |
| TA | 0.54 | PPM | ICPMS | |
| SR87_SR86 | 0.7067 | TIMS | ||
| ND143_ND144 | 0.51247 | TIMS | ||
| PB208_PB204 | 38.89 | TIMS | ||
| PB207_PB204 | 15.67 | TIMS | ||
| PB206_PB204 | 19.18 | 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