← Search
Sample M365 pg
NavDat sample number 55247 · DACITE
Sample
| Sample ID | M365 pg |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 28.2 |
|---|
| Longitude | -105.1 |
|---|
| Location | Sierra Cajones |
|---|
| State / province | Chihuahua |
|---|
| Country | MEXICO |
|---|
| Location comment | E Chihuahua |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 34 |
|
30.6 |
37.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| RB | 129 | | PPM | XRF |
| SR | 355 | | PPM | XRF |
| SR87_SR86 | 0.70444 | | | UNKNOWN |
| SR87_SR86 | 0.70444 | | | UNKNOWN |
References
- Cameron, Kenneth L; Cameron, M (1985) Rare earth element, 87Sr/86Sr, and 143Nd/144Nd compositions of Cenozoic orogenic dacites from Baja California, northwestern Mexico, and adjacent West Texas; evidence for the predominance of a subcrustal component. Contributions to Mineralogy and Petrology, vol.91, no.1, pp.1-11, 1985 doi:10.1007/BF00429422
