Sample HCQpb
NavDat sample number 36944 · BASALT
Sample
| Sample ID | HCQpb |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Alkali basalt |
Location
| Latitude | 37.735 |
|---|---|
| Longitude | -118.873 |
| 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 | 49.29 | WT% | XRF | |
| TIO2 | 1.47 | WT% | XRF | |
| AL2O3 | 17.87 | WT% | XRF | |
| FE2O3 | 9.52 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 7.06 | WT% | XRF | |
| CAO | 9.79 | WT% | XRF | |
| NA2O | 3.41 | WT% | XRF | |
| K2O | 1.01 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| TOTAL | 99.96 | WT% | XRF | |
| BA | 553 | PPM | XRF | |
| CR | 89 | PPM | XRF | |
| NB | 13 | PPM | XRF | |
| NI | 106 | PPM | ICPAES | |
| RB | 14 | PPM | XRF | |
| SR | 920 | PPM | XRF | |
| V | 169 | PPM | ICPAES | |
| Y | 21 | PPM | XRF | |
| ZR | 163 | PPM | XRF | |
| LA | 23.18 | PPM | ICPMS | |
| CE | 51.75 | PPM | ICPMS | |
| PR | 6.52 | PPM | ICPMS | |
| ND | 26.38 | PPM | ICPMS | |
| SM | 5.22 | PPM | ICPMS | |
| EU | 1.74 | PPM | ICPMS | |
| GD | 4.72 | PPM | ICPMS | |
| TB | 0.69 | PPM | ICPMS | |
| DY | 3.83 | PPM | ICPMS | |
| HO | 0.77 | PPM | ICPMS | |
| ER | 1.97 | PPM | ICPMS | |
| TM | 0.28 | PPM | ICPMS | |
| YB | 1.75 | PPM | ICPMS | |
| LU | 0.27 | PPM | ICPMS | |
| SC | 20 | PPM | ICPAES | |
| TH | 2.04 | PPM | ICPMS | |
| U | 0.53 | PPM | ICPMS | |
| BE | 1.13 | PPM | ICPAES | |
| CO | 39 | PPM | ICPAES | |
| CS | 0.18 | PPM | ICPMS | |
| HF | 3.7 | PPM | ICPMS | |
| TA | 0.68 | PPM | ICPMS | |
| SR87_SR86 | 0.70591 | TIMS | ||
| ND143_ND144 | 0.51255 | TIMS | ||
| PB208_PB204 | 38.79 | TIMS | ||
| PB207_PB204 | 15.64 | TIMS | ||
| PB206_PB204 | 19.19 | 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