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Sample 8
NavDat sample number 15105 · SYENITE
Sample
| Sample ID | 8 |
|---|
| Rock name | SYENITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 45.9867 |
|---|
| Longitude | -110.45 |
|---|
| Location | Crazy Mountains |
|---|
| State / province | Montana |
|---|
| Volcanic field | Ibex Mountains sill |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 50.5 |
|
49.9 |
51.1 |
|
|
Analyses
No chemical analyses are stored for this sample.
References
- Harlan, Steve S; Geissman, John W; Lageson, David R; Snee, Lawrence W (1988) Paleomagnetic and isotopic dating of thrust-belt deformation along theeastern edge of the Helena salient, northern Crazy Mountains Basin,Montana. Geological Society of America Bulletin, vol.100, no.4, pp.492-499, Apr1988 doi:10.1130/0016-7606(1988)100<0492:PAIDOT>2.3.CO;2