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Sample A-1
NavDat sample number 67160 · TUFF
Sample
| Sample ID | A-1 |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | near the base of the tuff |
|---|
Location
| Latitude | 39.1 |
|---|
| Longitude | -106.613 |
|---|
| Location | Lincoln Creek Road |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33 |
|
29.7 |
36.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.9 | | WT% | XRF |
| AL2O3 | 12.6 | | WT% | XRF |
| FE2O3 | 0.8 | | WT% | XRF |
| MGO | 0.19 | | WT% | XRF |
| CAO | 0.61 | | WT% | XRF |
| NA2O | 2.81 | | WT% | XRF |
| K2O | 4.71 | | WT% | XRF |
| TIO2 | 0.11 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| LOI | 0.91 | | WT% | XRF |
| NB | 22 | | PPM | XRF |
| ZR | 67 | | PPM | XRF |
| Y | 24 | | PPM | XRF |
| SR | 94 | | PPM | XRF |
| RB | 146 | | PPM | XRF |
