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Sample 1-35
NavDat sample number 4717 · MONZONITE
Sample
| Sample ID | 1-35 |
|---|
| 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 | 44.3266 |
|---|
| Longitude | -103.803 |
|---|
| State / province | South Dakota |
|---|
| 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 | 15.0846 | | WT% | NAA |
| FE2O3 | 0.8823 | | WT% | NAA |
| MGO | 2.0927 | | WT% | NAA |
| CAO | 5.6906 | | WT% | NAA |
| NA2O | 3.8051 | | WT% | NAA |
| TIO2 | 0.4709 | | WT% | NAA |
| MNO | 0.093 | | WT% | NAA |
| CE | 52.359 | | PPM | NAA |
| CO | 5.0206 | | PPM | NAA |
| CR | 16.6665 | | PPM | NAA |
| CS | 3.058 | | PPM | NAA |
| EU | 1.621 | | PPM | NAA |
| HF | 3.6345 | | PPM | NAA |
| LA | 36.789 | | PPM | NAA |
| LU | 0.0933 | | PPM | NAA |
| RB | 105.114 | | PPM | NAA |
| SC | 4.2014 | | PPM | NAA |
| SM | 6.0462 | | PPM | NAA |
| TA | 1.5251 | | PPM | NAA |
| TH | 9.4446 | | PPM | NAA |
| V | 45.9731 | | PPM | NAA |
| YB | 1.2111 | | PPM | NAA |
