Sample TBQob-1
NavDat sample number 36929 · BASALT
Sample
| Sample ID | TBQob-1 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Alkali basalt |
Location
| Latitude | 37.62 |
|---|---|
| Longitude | -119.092 |
| 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 | 45.5 | WT% | XRF | |
| TIO2 | 1.91 | WT% | XRF | |
| AL2O3 | 14.14 | WT% | XRF | |
| FE2O3 | 12.06 | WT% | XRF | |
| MNO | 0.16 | WT% | XRF | |
| MGO | 9.66 | WT% | XRF | |
| CAO | 9.74 | WT% | XRF | |
| NA2O | 3.09 | WT% | XRF | |
| K2O | 0.95 | WT% | XRF | |
| P2O5 | 0.74 | WT% | XRF | |
| LOI | 2.02 | WT% | XRF | |
| TOTAL | 97.95 | WT% | XRF | |
| BA | 1093 | PPM | XRF | |
| CR | 325 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| NI | 166 | PPM | ICPAES | |
| RB | 31 | PPM | XRF | |
| SR | 1249 | PPM | XRF | |
| V | 208 | PPM | ICPAES | |
| Y | 24 | PPM | XRF | |
| ZR | 191 | PPM | XRF | |
| LA | 46.32 | PPM | ICPMS | |
| CE | 103.04 | PPM | ICPMS | |
| PR | 13.34 | PPM | ICPMS | |
| ND | 50.13 | PPM | ICPMS | |
| SM | 8.84 | PPM | ICPMS | |
| EU | 2.45 | PPM | ICPMS | |
| GD | 6.71 | PPM | ICPMS | |
| TB | 0 | PPM | ICPMS | |
| DY | 4.43 | PPM | ICPMS | |
| HO | 0.86 | PPM | ICPMS | |
| ER | 2.17 | PPM | ICPMS | |
| TM | 0.32 | PPM | ICPMS | |
| YB | 1.93 | PPM | ICPMS | |
| LU | 0.3 | PPM | ICPMS | |
| SC | 22 | PPM | ICPAES | |
| TH | 4.49 | PPM | ICPMS | |
| U | 1.1 | PPM | ICPMS | |
| BE | 1.58 | PPM | ICPAES | |
| CO | 43 | PPM | ICPAES | |
| CS | 0.54 | PPM | ICPMS | |
| HF | 4.4 | PPM | ICPMS | |
| TA | 0.93 | PPM | ICPMS | |
| PB | 9.5 | PPM | MS-ID | |
| SR87_SR86 | 0.70646 | TIMS | ||
| ND143_ND144 | 0.51242 | TIMS | ||
| PB208_PB204 | 38.83 | TIMS | ||
| PB207_PB204 | 15.64 | TIMS | ||
| PB206_PB204 | 18.92 | 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