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Sample 1-51
NavDat sample number 4727 · MONZONITE
Sample
| Sample ID | 1-51 |
|---|
| 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 | 44.3233 |
|---|
| Longitude | -103.791 |
|---|
| 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 | 18.4732 | | WT% | NAA |
| FE2O3 | 0.9262 | | WT% | NAA |
| MGO | 1.3908 | | WT% | NAA |
| CAO | 1.2616 | | WT% | NAA |
| NA2O | 6.857 | | WT% | NAA |
| TIO2 | 0.5859 | | WT% | NAA |
| MNO | 0.1128 | | WT% | NAA |
| BA | 830.68 | | PPM | NAA |
| CE | 148.552 | | PPM | NAA |
| CO | 3.5595 | | PPM | NAA |
| CR | 10.599 | | PPM | NAA |
| CS | 8.0019 | | PPM | NAA |
| EU | 2.4827 | | PPM | NAA |
| HF | 9.9792 | | PPM | NAA |
| LA | 46.9254 | | PPM | NAA |
| LU | 0.622 | | PPM | NAA |
| RB | 118.435 | | PPM | NAA |
| SB | 0.5579 | | PPM | NAA |
| SC | 1.8332 | | PPM | NAA |
| SM | 10.5073 | | PPM | NAA |
| TA | 2.6822 | | PPM | NAA |
| TH | 59.6474 | | PPM | NAA |
| V | 44.4048 | | PPM | NAA |
| YB | 3.4146 | | PPM | NAA |
