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Sample RDS62
NavDat sample number 36736 · IGNIMBRITE
Sample
| Sample ID | RDS62 |
|---|
| 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 | | WT% | XRF |
| TIO2 | 0.26 | | WT% | XRF |
| AL2O3 | 13.4 | | WT% | XRF |
| FEO | 2.21 | | WT% | XRF |
| MNO | 0.03 | | WT% | AAS |
| MGO | 0.16 | | WT% | XRF |
| CAO | 0.76 | | WT% | XRF |
| NA2O | 3.63 | | WT% | AAS |
| K2O | 5.56 | | WT% | XRF |
| P2O5 | 0.03 | | WT% | XRF |
| LOI | 0.62 | | WT% | XRF |
| TOTAL | 98.63 | | WT% | XRF |
| RB | 276 | | PPM | XRF |
| SR | 43 | | PPM | XRF |
| BA | 127 | | PPM | XRF |
| LA | 77 | | PPM | XRF |
| NB | 44 | | PPM | XRF |
| ZR | 315 | | PPM | XRF |
| Y | 53 | | PPM | XRF |
| CE | 152 | | PPM | MS-ID |
| ND | 53 | | PPM | MS-ID |
| SR87_SR86 | 0.716304 | | | MS |
| SR87_SR86_INITIAL | 0.708163 | | | MS |
| ND143_ND144 | 0.512602 | | | MS |
