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Sample L-945b
NavDat sample number 3920 · SYENITE
Sample
| Sample ID | L-945b |
|---|
| Rock name | SYENITE |
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| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Collected by | author |
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| Comment | medium grained; orthoclase badly sericitized, plagioclase, aegirine-augite partial alteration to biotite and magnetite, biotite rare, primary, hornblende? very rare |
|---|
Location
| Latitude | 38.7272 |
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| Longitude | -105.127 |
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| Location | from dump of Vindicator Mine NE of Victor; Teller County |
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| State / province | Colorado |
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| Volcanic field | Cripple Creek syenite |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 34.7 |
|
33.4 |
36 |
|
|
Analyses
No chemical analyses are stored for this sample.
