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Sample 1-90
NavDat sample number 4750 · MONZONITE
Sample
| Sample ID | 1-90 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | abundant phenocrysts of plagioclase and K feldspar; microgranular groundmass of orthoclase and quartz; pyroxenes also present |
|---|
Location
| Latitude | 44.3796 |
|---|
| Longitude | -103.773 |
|---|
| 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 | 13.371 | | WT% | NAA |
| FE2O3 | 0.4223 | | WT% | NAA |
| MGO | 2.2033 | | WT% | NAA |
| CAO | 3.5384 | | WT% | NAA |
| NA2O | 5.6886 | | WT% | NAA |
| TIO2 | 0.5794 | | WT% | NAA |
| MNO | 0.1709 | | WT% | NAA |
| BA | 570.54 | | PPM | NAA |
| CE | 102.891 | | PPM | NAA |
| CO | 4.8932 | | PPM | NAA |
| CR | 5.691 | | PPM | NAA |
| CS | 8.2035 | | PPM | NAA |
| EU | 0.8701 | | PPM | NAA |
| HF | 3.0415 | | PPM | NAA |
| LA | 106.694 | | PPM | NAA |
| LU | 0.6692 | | PPM | NAA |
| RB | 86.5518 | | PPM | NAA |
| SB | 0.8108 | | PPM | NAA |
| SC | 4.6471 | | PPM | NAA |
| SM | 3.6402 | | PPM | NAA |
| TA | 2.0186 | | PPM | NAA |
| TH | 30.1847 | | PPM | NAA |
| V | 43.292 | | PPM | NAA |
| YB | 4.737 | | PPM | NAA |
