← Search
Sample MAD-240A
NavDat sample number 36758 · RHYOLITE
Sample
| Sample ID | MAD-240A |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.706 |
|---|
| Longitude | -106.645 |
|---|
| Location | Alder Cr Guard Station |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 28.35 |
|
28.2 |
28.5 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.08 | | WT% | XRF |
| TIO2 | 0.774679 | | WT% | XRF |
| AL2O3 | 15.9966 | | WT% | XRF |
| FE2O3 | 5.59379 | | WT% | XRF |
| MGO | 1.86124 | | WT% | XRF |
| CAO | 4.57765 | | WT% | XRF |
| NA2O | 3.51121 | | WT% | XRF |
| K2O | 3.51121 | | WT% | XRF |
| P2O5 | 0.332005 | | WT% | XRF |
| MNO | 0.0905469 | | WT% | XRF |
| LOI | 0.6 | | WT% | XRF |
| TOTAL | 99.33 | | WT% | XRF |
| ZN | 50 | | PPM | XRF |
| RB | 80 | | PPM | XRF |
| SR | 600 | | PPM | XRF |
| Y | 26 | | PPM | XRF |
| ZR | 176 | | PPM | XRF |
| NB | 14 | | PPM | XRF |
| BA | 930 | | PPM | XRF |
| LA | -30 | | PPM | XRF |
| CE | 62 | | PPM | XRF |
| V | 19 | | PPM | XRF |
| CR | -20 | | PPM | XRF |
| NI | -10 | | PPM | XRF |
