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Sample 87-257
NavDat sample number 16957 · TUFF
Sample
| Sample ID | 87-257 |
|---|
| Rock name | TUFF |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.746 |
|---|
| Longitude | -106.74 |
|---|
| Location | Palisades, approximately9,220' |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.1 |
|
27 |
27.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.0468 | | WT% | XRF |
| TIO2 | 0.40284 | | WT% | XRF |
| AL2O3 | 16.738 | | WT% | XRF |
| FE2O3 | 1.7725 | | WT% | XRF |
| MGO | 0.654615 | | WT% | XRF |
| CAO | 1.99406 | | WT% | XRF |
| NA2O | 4.5823 | | WT% | XRF |
| K2O | 5.32756 | | WT% | XRF |
| P2O5 | 0.130923 | | WT% | XRF |
| MNO | 0.060426 | | WT% | XRF |
| LOI | 0.66 | | WT% | XRF |
| TOTAL | 100.71 | | WT% | XRF |
| ZN | 32 | | PPM | XRF |
| RB | 440 | | PPM | XRF |
| SR | 372 | | PPM | XRF |
| Y | 28 | | PPM | XRF |
| ZR | 269 | | PPM | XRF |
| BA | 1575 | | PPM | XRF |
| LA | 53 | | PPM | XRF |
| CE | 84 | | PPM | XRF |
| CU | 7 | | PPM | XRF |
| V | 21 | | PPM | XRF |
