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Sample RDS23
NavDat sample number 36746 · ANDESITE
Sample
| Sample ID | RDS23 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | Low Y andesite |
|---|
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 |
|---|
| 34.6 |
|
34.7 |
35.5 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64.3 | | WT% | XRF |
| TIO2 | 0.91 | | WT% | XRF |
| AL2O3 | 15.4 | | WT% | XRF |
| FEO | 5.17 | | WT% | XRF |
| MGO | 2.34 | | WT% | XRF |
| CAO | 4.17 | | WT% | XRF |
| NA2O | 3.51 | | WT% | AAS |
| K2O | 3.99 | | WT% | XRF |
| P2O5 | 0.25 | | WT% | XRF |
| LOI | 1.72 | | WT% | XRF |
| TOTAL | 99.44 | | WT% | XRF |
| RB | 153 | | PPM | XRF |
| SR | 390 | | PPM | XRF |
| BA | 869 | | PPM | XRF |
| LA | 38 | | PPM | XRF |
| NB | 14 | | PPM | XRF |
| ZR | 307 | | PPM | XRF |
| Y | 23 | | PPM | XRF |
| NI | 20 | | PPM | XRF |
| SC | 11 | | PPM | XRF |
| CE | 74 | | PPM | MS-ID |
| ND | 30 | | PPM | MS-ID |
| SR87_SR86 | 0.704765 | | | MS |
| SR87_SR86_INITIAL | 0.704215 | | | MS |
| ND143_ND144 | 0.512617 | | | MS |
