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Sample 98L-14
NavDat sample number 46146 · ANDESITE
Sample
| Sample ID | 98L-14 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.731 |
|---|
| Longitude | -107.015 |
|---|
| Location | Hogback Mtn , southeast of Bristol Head |
|---|
| State / province | COLORADO |
|---|
| Formation | Conejos Formation and related early rocks |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 31.25 |
|
29.5 |
33 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.35 | | WT% | XRF |
| TIO2 | 0.575024 | | WT% | XRF |
| AL2O3 | 15.8517 | | WT% | XRF |
| FE2O3 | 4.11168 | | WT% | XRF |
| MGO | 0.538096 | | WT% | XRF |
| CAO | 5.86208 | | WT% | XRF |
| NA2O | 3.28344 | | WT% | XRF |
| K2O | 3.68648 | | WT% | XRF |
| P2O5 | 0.235285 | | WT% | XRF |
| MNO | 0.093903 | | WT% | XRF |
| LOI | 5.2 | | WT% | XRF |
| TOTAL | 99.592 | | WT% | XRF |
| ZN | 94 | | PPM | XRF |
| RB | 73 | | PPM | XRF |
| SR | 415 | | PPM | XRF |
| Y | 17 | | PPM | XRF |
| ZR | 161 | | PPM | XRF |
| NB | 10 | | PPM | XRF |
| BA | 950 | | PPM | XRF |
| CU | 27 | | PPM | XRF |
| NI | 12 | | PPM | XRF |
