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Sample 1-52D
NavDat sample number 4772 · MONZONITE
Sample
| Sample ID | 1-52D |
|---|
| 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 | 44.321 |
|---|
| Longitude | -103.79 |
|---|
| 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 | 17.6265 | | WT% | NAA |
| FE2O3 | 3.5072 | | WT% | NAA |
| MGO | 1.0081 | | WT% | NAA |
| CAO | 0.7705 | | WT% | NAA |
| NA2O | 7.2541 | | WT% | NAA |
| TIO2 | 0.3134 | | WT% | NAA |
| MNO | 0.1356 | | WT% | NAA |
| BA | 463.282 | | PPM | NAA |
| CE | 346.442 | | PPM | NAA |
| CO | 3.9069 | | PPM | NAA |
| CR | 13.4943 | | PPM | NAA |
| CS | 8.9187 | | PPM | NAA |
| EU | 2.8514 | | PPM | NAA |
| HF | 10.0874 | | PPM | NAA |
| LA | 116.977 | | PPM | NAA |
| LU | 0.4152 | | PPM | NAA |
| RB | 116.479 | | PPM | NAA |
| SB | 0.3027 | | PPM | NAA |
| SC | 1.8537 | | PPM | NAA |
| SM | 11.454 | | PPM | NAA |
| TA | 1.7338 | | PPM | NAA |
| TH | 48.189 | | PPM | NAA |
| V | 54.8498 | | PPM | NAA |
| YB | 3.2494 | | PPM | NAA |
