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Sample 1-113
NavDat sample number 4766 · MONZONITE
Sample
| Sample ID | 1-113 |
|---|
| 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 | 44.3943 |
|---|
| Longitude | -103.829 |
|---|
| State / province | South Dakota |
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| 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 | 12.8499 | | WT% | NAA |
| FE2O3 | 0.8324 | | WT% | NAA |
| MGO | 1.551 | | WT% | NAA |
| CAO | 2.8176 | | WT% | NAA |
| NA2O | 2.9286 | | WT% | NAA |
| TIO2 | 0.1962 | | WT% | NAA |
| BA | 210.46 | | PPM | NAA |
| CE | 13.9617 | | PPM | NAA |
| CO | 1.2778 | | PPM | NAA |
| CR | 3.7715 | | PPM | NAA |
| CS | 2.1928 | | PPM | NAA |
| EU | 0.5813 | | PPM | NAA |
| HF | 2.7861 | | PPM | NAA |
| LA | 152.05 | | PPM | NAA |
| LU | 0.654 | | PPM | NAA |
| RB | 155.916 | | PPM | NAA |
| SB | 0.4306 | | PPM | NAA |
| SC | 0.4524 | | PPM | NAA |
| SM | 2.495 | | PPM | NAA |
| TA | 1.6022 | | PPM | NAA |
| TH | 63.447 | | PPM | NAA |
| V | 7.2994 | | PPM | NAA |
| YB | 2.9382 | | PPM | NAA |
