Sample 66L-20
NavDat sample number 1632 · BASALT
Sample
| Sample ID | 66L-20 |
|---|---|
| Rock name | BASALT |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | Fine-grainde intergranular texture, some calcite-filled vesicles; about 5% phenocrysts of olivine and augite, and about 5% xenocrysts of sodic plagioclase and quartz. |
Location
| Latitude | 37.2167 |
|---|---|
| Longitude | -106.167 |
| State / province | Colorado |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14.05 | 4.7 | 23.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.8 | WT% | RAPID_ROCK | |
| AL2O3 | 14.3 | WT% | RAPID_ROCK | |
| FE2O3 | 3 | WT% | RAPID_ROCK | |
| FEO | 4.9 | WT% | RAPID_ROCK | |
| MGO | 5.6 | WT% | RAPID_ROCK | |
| CAO | 6.6 | WT% | RAPID_ROCK | |
| NA2O | 3.58 | WT% | FPHOT | |
| K2O | 2.5 | WT% | FPHOT | |
| H2O_MINUS | 0.47 | WT% | RAPID_ROCK | |
| H2O | 0.43 | WT% | RAPID_ROCK | |
| TIO2 | 1.3 | WT% | RAPID_ROCK | |
| P2O5 | 0.39 | WT% | RAPID_ROCK | |
| MNO | 0.12 | WT% | RAPID_ROCK | |
| TOTAL | 100.2 | WT% | RAPID_ROCK | |
| BA | 700 | PPM | SPEC | |
| BE | -1 | PPM | SPEC | |
| CE | 100 | PPM | SPEC | |
| CO | 50 | PPM | SPEC | |
| CR | 200 | PPM | SPEC | |
| CU | 100 | PPM | SPEC | |
| GA | 10 | PPM | SPEC | |
| LA | 70 | PPM | SPEC | |
| MO | 3 | PPM | SPEC | |
| NI | 300 | PPM | SPEC | |
| PB | 15 | PPM | SPEC | |
| SC | 20 | PPM | SPEC | |
| SR | 700 | PPM | SPEC | |
| V | 200 | PPM | SPEC | |
| Y | 50 | PPM | SPEC | |
| YB | 5 | PPM | SPEC | |
| ZR | 200 | PPM | SPEC |