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Sample RDS63
NavDat sample number 36738 · IGNIMBRITE
Sample
| Sample ID | RDS63 |
|---|
| Rock name | IGNIMBRITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | High Y upper ignimbrite |
|---|
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 |
|---|
| 31.3 |
|
30.6 |
32 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.7 | | WT% | XRF |
| TIO2 | 0.22 | | WT% | XRF |
| AL2O3 | 12.8 | | WT% | XRF |
| FEO | 1.98 | | WT% | XRF |
| MNO | 0.03 | | WT% | AAS |
| MGO | 0.13 | | WT% | XRF |
| CAO | 1.14 | | WT% | XRF |
| NA2O | 3.3 | | WT% | AAS |
| K2O | 5.68 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| LOI | 0.95 | | WT% | XRF |
| TOTAL | 99.4 | | WT% | XRF |
| RB | 282 | | PPM | XRF |
| SR | 42 | | PPM | XRF |
| BA | 120 | | PPM | XRF |
| LA | 70 | | PPM | XRF |
| NB | 39 | | PPM | XRF |
| ZR | 271 | | PPM | XRF |
| Y | 53 | | PPM | XRF |
| CE | 134 | | PPM | MS-ID |
| ND | 48 | | PPM | MS-ID |
| SR87_SR86 | 0.719443 | | | MS |
| SR87_SR86_INITIAL | 0.711016 | | | MS |
| ND143_ND144 | 0.512547 | | | MS |
