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Sample O-18
NavDat sample number 19750 · TRACHYTE
Sample
| Sample ID | O-18 |
|---|
| Rock name | TRACHYTE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 28.33 |
|---|
| Longitude | -107.87 |
|---|
| Location | Tomochic caldera |
|---|
| State / province | CHIHUAHUA |
|---|
| Formation | pinto lava |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 30.5 |
|
29.8 |
31.2 |
|
|
Analyses
No chemical analyses are stored for this sample.
References
- Wark, D A; Kempter, K A; McDowell, F W (1990) Evolution of waning, subduction-related magmatism, northern Sierra Madre Occidental, Mexico. Geological Society of America Bulletin, vol.102, no.11, pp.1555-1564, Nov 1990 doi:10.1130/0016-7606(1990)102<1555:EOWSRM>2.3.CO;2
