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Sample 1-112
NavDat sample number 4765 · MONZONITE
Sample
| Sample ID | 1-112 |
|---|
| 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 | 44.4007 |
|---|
| Longitude | -103.829 |
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| State / province | South Dakota |
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| Volcanic field | Black Hill Tertiary igneous province |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 47 |
|
40 |
55 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| AL2O3 | 19.3727 | | WT% | NAA |
| FE2O3 | 2.9586 | | WT% | NAA |
| MGO | 1.9252 | | WT% | NAA |
| CAO | 0.6458 | | WT% | NAA |
| NA2O | 8.0569 | | WT% | NAA |
| TIO2 | 0.2357 | | WT% | NAA |
| BA | 432.218 | | PPM | NAA |
| CE | 468.522 | | PPM | NAA |
| CO | 3.9492 | | PPM | NAA |
| CR | 13.8838 | | PPM | NAA |
| CS | 4.2208 | | PPM | NAA |
| EU | 3.8301 | | PPM | NAA |
| HF | 6.4233 | | PPM | NAA |
| LA | 149.752 | | PPM | NAA |
| LU | 0.2701 | | PPM | NAA |
| RB | 109.515 | | PPM | NAA |
| SB | 0.6708 | | PPM | NAA |
| SC | 1.1793 | | PPM | NAA |
| SM | 14.6017 | | PPM | NAA |
| TA | 1.4177 | | PPM | NAA |
| TH | 39.3981 | | PPM | NAA |
| V | 69.949 | | PPM | NAA |
| YB | 4.1369 | | PPM | NAA |
