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Sample 82L-38
NavDat sample number 12491 · PYROCLASTIC FALL
Sample
| Sample ID | 82L-38 |
|---|
| Rock name | PYROCLASTIC FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 36.4886 |
|---|
| Longitude | -106.003 |
|---|
| Location | Muscovite mill site Petaca |
|---|
| State / province | New Mexico |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.8 |
|
25.6 |
28 |
|
|
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|
| K2O | 6.75 | | WT% | K-AR |
| K2O | 6.8 | | WT% | K-AR |
| U | 460 | | PPM | FT |
References
- Lipman, Peter W; Mehnert, Harald H; Naeser, Charles W (1986) Evolution of the Latir volcanic field, northern New Mexico, and its relation to the Rio Grande Rift, as indicated by potassium-argon and fission track dating. Journal of Geophysical Research, vol.91, no.B6, pp.6329-6345, 10 May 1986
