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Sample ZN002B
NavDat sample number 18440 · DACITE
Sample
| Sample ID | ZN002B |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | I.M. Lange |
|---|
| Comment | consists of plagioclase, sanidine, biotite phenocrysts, and trace amounts of sphene, zircon, apatite, and opaques |
|---|
Location
| Latitude | 47.9028 |
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| Longitude | -114.592 |
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| Location | Battle Butte outcrop; Flathead Conty |
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| State / province | Montana |
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| Volcanic field | Hog Heaven Volcanic Field |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 34 |
|
31 |
36 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| RB | 120 | | PPM | MS-ID |
| SR | 1200 | | PPM | MS-ID |
| SR87_SR86 | 0.70402 | | | MS-ID |
