← Search
Sample 1-96
NavDat sample number 4753 · MONZONITE
Sample
| Sample ID | 1-96 |
|---|
| 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 | 44.3905 |
|---|
| Longitude | -103.787 |
|---|
| 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 | 16.4697 | | WT% | NAA |
| FE2O3 | 2.5422 | | WT% | NAA |
| MGO | 2.3741 | | WT% | NAA |
| CAO | 1.4411 | | WT% | NAA |
| NA2O | 4.8966 | | WT% | NAA |
| TIO2 | 0.3229 | | WT% | NAA |
| MNO | 0.0827 | | WT% | NAA |
| BA | 253.521 | | PPM | NAA |
| CE | 122.219 | | PPM | NAA |
| CO | 4.5304 | | PPM | NAA |
| CR | 13.6981 | | PPM | NAA |
| CS | 3.87 | | PPM | NAA |
| EU | 1.5528 | | PPM | NAA |
| HF | 4.0897 | | PPM | NAA |
| LA | 49.283 | | PPM | NAA |
| LU | 0.1979 | | PPM | NAA |
| RB | 130.609 | | PPM | NAA |
| SB | 0.5193 | | PPM | NAA |
| SC | 2.8159 | | PPM | NAA |
| SM | 5.9399 | | PPM | NAA |
| TA | 0.9315 | | PPM | NAA |
| TH | 15.6432 | | PPM | NAA |
| V | 31.9154 | | PPM | NAA |
| YB | 1.0265 | | PPM | NAA |