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Sample 7m25b
NavDat sample number 35181 · BASALTIC-ANDESITE
Sample
| Sample ID | 7m25b |
|---|
| Rock name | BASALTIC-ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 33.45 |
|---|
| Longitude | -113.419 |
|---|
| Location | Eagletail Mountains |
|---|
| State / province | ARIZONA |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 19.7 |
|
19 |
20.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| K | 0.41 | | WT% | AR_AR |
References
- Spencer, Jon E; Richard, Stephen M; Reynolds, Stephen J; Miller, Robert J; Shafiqullah, M; Gilbert, Wyatt G; Grubensky, Michael J (1995) Spatial and temporal relationships between mid-Tertiary magnetism and extension in southwestern Arizona. Journal of Geophysical Research, vol.100, no.B6, pp.10,321-10,351, 10 Jun 1995 doi:10.1029/94JB02817
