Sample DCQab
NavDat sample number 36947 · BASALT
Sample
| Sample ID | DCQab |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Alkali basalt |
Location
| Latitude | 37.7467 |
|---|---|
| Longitude | -118.982 |
| 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 | 53.2 | WT% | XRF | |
| TIO2 | 1.92 | WT% | XRF | |
| AL2O3 | 16.65 | WT% | XRF | |
| FE2O3 | 9.48 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 3.89 | WT% | XRF | |
| CAO | 7.32 | WT% | XRF | |
| NA2O | 4.33 | WT% | XRF | |
| K2O | 2.33 | WT% | XRF | |
| P2O5 | 0.72 | WT% | XRF | |
| LOI | 0.05 | WT% | XRF | |
| TOTAL | 99.98 | WT% | XRF | |
| BA | 1270 | PPM | XRF | |
| CR | 18 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| NI | 10 | PPM | ICPAES | |
| RB | 40 | PPM | XRF | |
| SR | 1156 | PPM | XRF | |
| V | 221 | PPM | ICPAES | |
| Y | 28 | PPM | XRF | |
| ZR | 252 | PPM | XRF | |
| LA | 51.91 | PPM | ICPMS | |
| CE | 113.01 | PPM | ICPMS | |
| PR | 14.18 | PPM | ICPMS | |
| ND | 53.82 | PPM | ICPMS | |
| SM | 9.14 | PPM | ICPMS | |
| EU | 2.64 | PPM | ICPMS | |
| GD | 7.38 | PPM | ICPMS | |
| TB | 1.02 | PPM | ICPMS | |
| DY | 5.11 | PPM | ICPMS | |
| HO | 1.03 | PPM | ICPMS | |
| ER | 2.62 | PPM | ICPMS | |
| TM | 0.38 | PPM | ICPMS | |
| YB | 2.45 | PPM | ICPMS | |
| LU | 0.37 | PPM | ICPMS | |
| SC | 19.7 | PPM | ICPAES | |
| TH | 4.67 | PPM | ICPMS | |
| U | 1.2 | PPM | ICPMS | |
| BE | 1.91 | PPM | ICPAES | |
| CO | 27 | PPM | ICPAES | |
| CS | 0.53 | PPM | ICPMS | |
| HF | 5.19 | PPM | ICPMS | |
| TA | 0.81 | PPM | ICPMS | |
| PB | 13.6 | PPM | MS-ID | |
| SR87_SR86 | 0.70628 | TIMS | ||
| ND143_ND144 | 0.51247 | TIMS | ||
| PB208_PB204 | 38.92 | TIMS | ||
| PB207_PB204 | 15.68 | TIMS | ||
| PB206_PB204 | 19.2 | 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