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Sample LZ 57
NavDat sample number 16098 · RHYOLITE
Sample
| Sample ID | LZ 57 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.4025 |
|---|
| Longitude | -107.202 |
|---|
| Location | Brown Lakes Section, 62 m above based |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.35 |
|
27.25 |
27.45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.4604 | | WT% | XRF |
| TIO2 | 0.200729 | | WT% | XRF |
| AL2O3 | 13.5893 | | WT% | XRF |
| FE2O3 | 1.09397 | | WT% | XRF |
| MGO | 0.31113 | | WT% | XRF |
| CAO | 0.742697 | | WT% | XRF |
| NA2O | 3.2217 | | WT% | XRF |
| K2O | 5.35946 | | WT% | XRF |
| P2O5 | 0.0702551 | | WT% | XRF |
| MNO | 0.100364 | | WT% | XRF |
| LOI | 0.36 | | WT% | XRF |
| TOTAL | 99.15 | | WT% | XRF |
| RB | 172 | | PPM | XRF |
| SR | 70 | | PPM | XRF |
| ZR | 183 | | PPM | XRF |
| BA | 274 | | PPM | XRF |
