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Sample L-1118a
NavDat sample number 3878 · MONZONITE
Sample
| Sample ID | L-1118a |
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| Rock name | MONZONITE |
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| Rock type | PLUTONIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | author |
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| Comment | medium grained; plagioclase largest grains, quartz, orthoclase, biotite, hornblende abundant inclusions and voids, some biotite alteration |
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Location
| Latitude | 45.5325 |
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| Longitude | -111.698 |
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| Location | along Montana Route 287A, 2 miles S of Norris, Madison County |
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| State / province | Montana |
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| Volcanic field | Tobacco Root batholith |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 121 |
|
117 |
125 |
|
|
Analyses
No chemical analyses are stored for this sample.
