Sample RDS45
NavDat sample number 36724 · BASALT
Sample
| Sample ID | RDS45 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | High Y basalt |
Location
| Latitude | 27.9 |
|---|---|
| Longitude | -104.267 |
| Location | La Olivina xenolith locality |
| State / province | CHIHUAHUA |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.1 | 30.5 | 31.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 50 | WT% | XRF | |
| TIO2 | 2.79 | WT% | XRF | |
| AL2O3 | 16 | WT% | XRF | |
| FEO | 13.27 | WT% | XRF | |
| MGO | 4.4 | WT% | XRF | |
| CAO | 7.31 | WT% | XRF | |
| NA2O | 3.92 | WT% | AAS | |
| K2O | 1.7 | WT% | XRF | |
| P2O5 | 0.65 | WT% | XRF | |
| LOI | 0.62 | WT% | XRF | |
| TOTAL | 99.44 | WT% | XRF | |
| RB | 27 | PPM | XRF | |
| SR | 567 | PPM | XRF | |
| BA | 710 | PPM | XRF | |
| LA | 40 | PPM | XRF | |
| NB | 21 | PPM | XRF | |
| ZR | 282 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| NI | 10 | PPM | XRF | |
| SC | 24 | PPM | XRF | |
| PB | 6.7 | PPM | ICPMS | |
| TH | 3.6 | PPM | ICPMS | |
| U | 1.2 | PPM | ICPMS | |
| CE | 85.8 | PPM | MS-ID | |
| ND | 39.7 | PPM | MS-ID | |
| SM | 8.46 | PPM | MS-ID | |
| EU | 2.55 | PPM | MS-ID | |
| GD | 8.5 | PPM | MS-ID | |
| DY | 7.41 | PPM | MS-ID | |
| ER | 3.93 | PPM | MS-ID | |
| YB | 3.43 | PPM | MS-ID | |
| SR87_SR86 | 0.704116 | MS | ||
| SR87_SR86_INITIAL | 0.704056 | MS | ||
| ND143_ND144 | 0.512677 | MS | ||
| PB206_PB204 | 18.48 | MS | ||
| PB207_PB204 | 15.59 | MS | ||
| PB208_PB204 | 38.12 | MS |
References
- McDowell, Fred W; Mauger, Richard L (1994) K-Ar and U-Pb zircon chronology of Late Cretaceous and Tertiary magmatism in central Chihuahua State, Mexico; with Suppl. Data 9403. Geological Society of America Bulletin, vol.106, no.1, pp.118-132, Jan 1994 doi:10.1130/0016-7606(1994)106<0118:KAAUPZ>2.3.CO;2