Sample TFQpb
NavDat sample number 36932 · BASALT
Sample
| Sample ID | TFQpb |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Alkali basalt |
Location
| Latitude | 37.6117 |
|---|---|
| Longitude | -119.008 |
| 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 | 48.78 | WT% | XRF | |
| TIO2 | 1.26 | WT% | XRF | |
| AL2O3 | 15.04 | WT% | XRF | |
| FE2O3 | 8.6 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 9.87 | WT% | XRF | |
| CAO | 10.46 | WT% | XRF | |
| NA2O | 2.78 | WT% | XRF | |
| K2O | 1.79 | WT% | XRF | |
| P2O5 | 0.73 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| TOTAL | 99.44 | WT% | XRF | |
| BA | 1495 | PPM | XRF | |
| CR | 497 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| NI | 188 | PPM | ICPAES | |
| RB | 25 | PPM | XRF | |
| SR | 2002 | PPM | XRF | |
| V | 170 | PPM | ICPAES | |
| Y | 20 | PPM | XRF | |
| ZR | 193 | PPM | XRF | |
| LA | 65.84 | PPM | ICPMS | |
| CE | 139.27 | PPM | ICPMS | |
| PR | 18.51 | PPM | ICPMS | |
| ND | 70.51 | PPM | ICPMS | |
| SM | 10.73 | PPM | ICPMS | |
| EU | 2.94 | PPM | ICPMS | |
| GD | 7.28 | PPM | ICPMS | |
| TB | 0.96 | PPM | ICPMS | |
| DY | 4.12 | PPM | ICPMS | |
| HO | 0.75 | PPM | ICPMS | |
| ER | 1.85 | PPM | ICPMS | |
| TM | 0.26 | PPM | ICPMS | |
| YB | 1.53 | PPM | ICPMS | |
| LU | 0.25 | PPM | ICPMS | |
| SC | 22.6 | PPM | ICPAES | |
| TH | 5.32 | PPM | ICPMS | |
| U | 1.25 | PPM | ICPMS | |
| BE | 1.43 | PPM | ICPAES | |
| CO | 40 | PPM | ICPAES | |
| CS | 0.28 | PPM | ICPMS | |
| HF | 4.43 | PPM | ICPMS | |
| TA | 0.54 | PPM | ICPMS | |
| SR87_SR86 | 0.70667 | TIMS | ||
| ND143_ND144 | 0.51248 | TIMS | ||
| PB208_PB204 | 38.98 | TIMS | ||
| PB207_PB204 | 15.7 | TIMS | ||
| PB206_PB204 | 19.21 | 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