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Sample 1-100
NavDat sample number 4756 · MONZONITE
Sample
| Sample ID | 1-100 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | abundant phenocrysts of plagioclase and sometimes anorthoclase; aphanitic groundmass that is microgranular and contains orthoclase and quartz |
|---|
Location
| Latitude | 44.3961 |
|---|
| Longitude | -103.754 |
|---|
| State / province | South Dakota |
|---|
| Volcanic field | Black Hill Tertiary igneous province |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 47 |
|
40 |
55 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| AL2O3 | 15.571 | | WT% | NAA |
| FE2O3 | 1.2185 | | WT% | NAA |
| MGO | 1.6754 | | WT% | NAA |
| CAO | 1.1481 | | WT% | NAA |
| NA2O | 6.1323 | | WT% | NAA |
| TIO2 | 0.2721 | | WT% | NAA |
| MNO | 0.0234 | | WT% | NAA |
| BA | 462 | | PPM | NAA |
| CE | 119.294 | | PPM | NAA |
| CO | 1.169 | | PPM | NAA |
| CR | 4.3202 | | PPM | NAA |
| CS | 3.0647 | | PPM | NAA |
| EU | 1.463 | | PPM | NAA |
| HF | 4.0589 | | PPM | NAA |
| LA | 42.0642 | | PPM | NAA |
| LU | 0.3521 | | PPM | NAA |
| RB | 144.484 | | PPM | NAA |
| SB | 0.4118 | | PPM | NAA |
| SC | 0.8658 | | PPM | NAA |
| SM | 7.0805 | | PPM | NAA |
| TA | 2.0291 | | PPM | NAA |
| TH | 13.5437 | | PPM | NAA |
| V | 13.399 | | PPM | NAA |
| YB | 2.454 | | PPM | NAA |
