← Search
Sample 1-71
NavDat sample number 4737 · MONZONITE
Sample
| Sample ID | 1-71 |
|---|
| 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 | 44.3567 |
|---|
| Longitude | -103.849 |
|---|
| 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 | 15.0914 | | WT% | NAA |
| FE2O3 | 0.3797 | | WT% | NAA |
| MGO | 1.6725 | | WT% | NAA |
| CAO | 0.7996 | | WT% | NAA |
| NA2O | 6.5425 | | WT% | NAA |
| TIO2 | 0.2719 | | WT% | NAA |
| MNO | 0.0067 | | WT% | NAA |
| BA | 542.34 | | PPM | NAA |
| CE | 71.248 | | PPM | NAA |
| CO | 0.6869 | | PPM | NAA |
| CR | 6.7818 | | PPM | NAA |
| CS | 2.0759 | | PPM | NAA |
| EU | 1.3774 | | PPM | NAA |
| HF | 4.9395 | | PPM | NAA |
| LA | 56.9114 | | PPM | NAA |
| LU | 0.347 | | PPM | NAA |
| RB | 104.661 | | PPM | NAA |
| SB | 0.9777 | | PPM | NAA |
| SC | 0.6654 | | PPM | NAA |
| SM | 3.6102 | | PPM | NAA |
| TA | 1.4521 | | PPM | NAA |
| TH | 32.9827 | | PPM | NAA |
| V | 28.8056 | | PPM | NAA |
| YB | 1.9683 | | PPM | NAA |
