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Sample RDS17
NavDat sample number 36729 · DACITE
Sample
| Sample ID | RDS17 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | High Y dacite |
|---|
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 |
|---|
| 31.8 |
|
29.6 |
34 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64.7 | | WT% | XRF |
| TIO2 | 1.23 | | WT% | XRF |
| AL2O3 | 16 | | WT% | XRF |
| FEO | 5.66 | | WT% | XRF |
| MNO | 0.02 | | WT% | AAS |
| MGO | 1.02 | | WT% | XRF |
| CAO | 3.58 | | WT% | XRF |
| NA2O | 3.39 | | WT% | AAS |
| K2O | 4.13 | | WT% | XRF |
| P2O5 | 0.34 | | WT% | XRF |
| LOI | 0.82 | | WT% | XRF |
| TOTAL | 97.36 | | WT% | XRF |
| RB | 125 | | PPM | XRF |
| SR | 354 | | PPM | XRF |
| BA | 941 | | PPM | XRF |
| LA | 62 | | PPM | XRF |
| NB | 35 | | PPM | XRF |
| ZR | 480 | | PPM | XRF |
| Y | 48 | | PPM | XRF |
| PB | 18.9 | | PPM | ICPMS |
| TH | 13.3 | | PPM | ICPMS |
| U | 4.1 | | PPM | ICPMS |
| CE | 118 | | PPM | MS-ID |
| ND | 53 | | PPM | MS-ID |
| SR87_SR86 | 0.705725 | | | MS |
| SR87_SR86_INITIAL | 0.705272 | | | MS |
| ND143_ND144 | 0.512561 | | | MS |
| PB206_PB204 | 18.57 | | | MS |
| PB207_PB204 | 15.61 | | | MS |
| PB208_PB204 | 38.42 | | | MS |
