Sample MH-8
NavDat sample number 31122 · BASALT
Sample
| Sample ID | MH-8 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | pre/syn/post-extensional basalts, Ta-Nb trough, depleted Y, Sc and HREE contents |
Location
| Latitude | 34.4992 |
|---|---|
| Longitude | -114.127 |
| State / province | Arizona |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 21.5 | 19.35 | 23.65 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.34 | WT% | EDXRF | |
| TIO2 | 1.32 | WT% | EDXRF | |
| AL2O3 | 16.05 | WT% | EDXRF | |
| FE2O3 | 8.17 | WT% | EDXRF | |
| MNO | 0.12 | WT% | EDXRF | |
| MGO | 5.53 | WT% | EDXRF | |
| CAO | 7.77 | WT% | EDXRF | |
| NA2O | 3.91 | WT% | EDXRF | |
| K2O | 1.95 | WT% | EDXRF | |
| P2O5 | 0.47 | WT% | EDXRF | |
| BA | 523 | PPM | XRF | |
| CO | 49.7 | PPM | INAA | |
| CR | 488 | PPM | INAA | |
| HF | 4.06 | PPM | INAA | |
| NB | 12 | PPM | XRF | |
| NI | 227 | PPM | XRF | |
| PB | 11 | PPM | XRF | |
| RB | 18 | PPM | XRF | |
| SC | 27.6 | PPM | INAA | |
| SR | 1348 | PPM | XRF | |
| TA | 0.88 | PPM | INAA | |
| TH | 8.62 | PPM | INAA | |
| Y | 27 | PPM | XRF | |
| ZR | 177 | PPM | XRF | |
| CE | 159.5 | PPM | INAA | |
| EU | 3.12 | PPM | INAA | |
| LA | 77.8 | PPM | INAA | |
| LU | 0.28 | PPM | INAA | |
| ND | 81 | PPM | INAA | |
| SM | 12.42 | PPM | INAA | |
| TB | 1.29 | PPM | INAA | |
| YB | 1.85 | PPM | INAA | |
| SR87_SR86 | 0.70782 | MS |