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Sample 1-82
NavDat sample number 4744 · MONZONITE
Sample
| Sample ID | 1-82 |
|---|
| 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 | 44.3786 |
|---|
| Longitude | -103.808 |
|---|
| 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 | 16.7759 | | WT% | NAA |
| FE2O3 | 1.1991 | | WT% | NAA |
| MGO | 3.4533 | | WT% | NAA |
| CAO | 1.4044 | | WT% | NAA |
| NA2O | 8.387 | | WT% | NAA |
| TIO2 | 0.6075 | | WT% | NAA |
| MNO | 0.197 | | WT% | NAA |
| BA | 924.73 | | PPM | NAA |
| CE | 228.429 | | PPM | NAA |
| CO | 5.0159 | | PPM | NAA |
| CR | 7.0106 | | PPM | NAA |
| CS | 8.7205 | | PPM | NAA |
| EU | 5.0349 | | PPM | NAA |
| HF | 7.2534 | | PPM | NAA |
| LA | 162.669 | | PPM | NAA |
| LU | 0.488 | | PPM | NAA |
| RB | 122.047 | | PPM | NAA |
| SB | 0.2333 | | PPM | NAA |
| SC | 2.4136 | | PPM | NAA |
| SM | 19.11 | | PPM | NAA |
| TA | 2.9175 | | PPM | NAA |
| TH | 39.356 | | PPM | NAA |
| V | 82.7023 | | PPM | NAA |
| YB | 4.549 | | PPM | NAA |
