Sample WCTba
NavDat sample number 36953 · BASALT
Sample
| Sample ID | WCTba |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7233 |
|---|---|
| Longitude | -118.603 |
| Location | Long Valley Caldera |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.9 | 2.2 | 3.6 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 47.86 | WT% | XRF | |
| TIO2 | 1.81 | WT% | XRF | |
| AL2O3 | 15.58 | WT% | XRF | |
| FE2O3 | 10.73 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 7.72 | WT% | XRF | |
| CAO | 9.08 | WT% | XRF | |
| NA2O | 2.64 | WT% | XRF | |
| K2O | 2.79 | WT% | XRF | |
| P2O5 | 0.78 | WT% | XRF | |
| LOI | 0.37 | WT% | XRF | |
| TOTAL | 99.14 | WT% | XRF | |
| BA | 1900 | PPM | XRF | |
| CR | 299 | PPM | XRF | |
| NB | 23 | PPM | XRF | |
| NI | 104 | PPM | ICPAES | |
| RB | 60 | PPM | XRF | |
| SR | 1166 | PPM | XRF | |
| V | 238 | PPM | ICPAES | |
| Y | 28 | PPM | XRF | |
| ZR | 251 | PPM | XRF | |
| LA | 43.25 | PPM | ICPMS | |
| CE | 90.73 | PPM | ICPMS | |
| PR | 12 | PPM | ICPMS | |
| ND | 47.31 | PPM | ICPMS | |
| SM | 8.74 | PPM | ICPMS | |
| EU | 2.6 | PPM | ICPMS | |
| GD | 7.29 | PPM | ICPMS | |
| TB | 1 | PPM | ICPMS | |
| DY | 5.14 | PPM | ICPMS | |
| HO | 1 | PPM | ICPMS | |
| ER | 2.57 | PPM | ICPMS | |
| TM | 0.35 | PPM | ICPMS | |
| YB | 2.24 | PPM | ICPMS | |
| LU | 0.33 | PPM | ICPMS | |
| SC | 24.5 | PPM | ICPAES | |
| TH | 3.62 | PPM | ICPMS | |
| U | 1.03 | PPM | ICPMS | |
| BE | 2.43 | PPM | ICPAES | |
| CO | 37 | PPM | ICPAES | |
| CS | 0.8 | PPM | ICPMS | |
| HF | 6.34 | PPM | ICPMS | |
| TA | 1.27 | PPM | ICPMS | |
| SR87_SR86 | 0.70603 | TIMS | ||
| ND143_ND144 | 0.51247 | 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