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Sample Ralston Reservoir Intrusive
NavDat sample number 3659 · BASALT
Sample
| Sample ID | Ralston Reservoir Intrusive |
|---|
| Rock name | BASALT |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | MAFIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | mafic latite or shoshonite |
|---|
Location
| Latitude | 39.83 |
|---|
| Longitude | -105.24 |
|---|
| Location | Ralston Reservoir Sill |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 61.9 |
|
59.4 |
64.4 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 56.02 | | WT% | AAS |
| AL2O3 | 14.4 | | WT% | AAS |
| FE2O3 | 4.5 | | WT% | AAS |
| FEO | 5 | | WT% | AAS |
| MGO | 7.5 | | WT% | AAS |
| CAO | 6.6 | | WT% | AAS |
| NA2O | 2.8 | | WT% | AAS |
| K2O | 3.1 | | WT% | AAS |
| TIO2 | 0.75 | | WT% | AAS |
| P2O5 | 0.25 | | WT% | AAS |
| MNO | 0.06 | | WT% | AAS |
| CO2 | 0.05 | | WT% | AAS |
| F | 0.08 | | WT% | AAS |
| CL | 0.02 | | WT% | AAS |
