Sample 55
NavDat sample number 32758 · TRACHYTE
Sample
| Sample ID | 55 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | bostonite porphyry dike |
Location
| Latitude | 39.9333 |
|---|---|
| Longitude | -105.5 |
| Location | Northern Front Range mineral belt |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 63 | 58 | 68 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.1 | WT% | UNKNOWN | |
| AL2O3 | 1.8 | WT% | UNKNOWN | |
| FE2O3 | 1.8 | WT% | UNKNOWN | |
| FEO | 0.16 | WT% | UNKNOWN | |
| MGO | 0.19 | WT% | UNKNOWN | |
| CAO | 0.49 | WT% | UNKNOWN | |
| NA2O | 5.1 | WT% | UNKNOWN | |
| K2O | 4.7 | WT% | UNKNOWN | |
| H2O_PLUS | 0.83 | WT% | UNKNOWN | |
| H2O_MINUS | 0.27 | WT% | UNKNOWN | |
| TIO2 | 0.12 | WT% | UNKNOWN | |
| P2O5 | 0.04 | WT% | UNKNOWN | |
| MNO | 0 | WT% | UNKNOWN | |
| CO2 | -0.05 | WT% | UNKNOWN | |
| BA | 1000 | PPM | SPEC | |
| BE | 1 | PPM | SPEC | |
| CE | 200 | PPM | SPEC | |
| CO | 0 | PPM | SPEC | |
| CR | 3 | PPM | SPEC | |
| CU | 1 | PPM | SPEC | |
| GA | 20 | PPM | SPEC | |
| LA | 200 | PPM | SPEC | |
| MO | 3 | PPM | SPEC | |
| NB | 50 | PPM | SPEC | |
| ND | 100 | PPM | SPEC | |
| NI | 0 | PPM | SPEC | |
| PB | 70 | PPM | SPEC | |
| SC | 0 | PPM | SPEC | |
| SR | 200 | PPM | SPEC | |
| TH | 0 | PPM | SPEC | |
| V | 30 | PPM | SPEC | |
| Y | 20 | PPM | SPEC | |
| YB | 2 | PPM | SPEC | |
| ZN | 0 | PPM | SPEC | |
| ZR | 200 | PPM | SPEC |