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Sample 1-37
NavDat sample number 4719 · MONZONITE
Sample
| Sample ID | 1-37 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | phenocrysts of plagioclase and anorthoclase; groundmass ranges from cryptocrystalline to microgranular with k-feldspar and quartz; also contains biotite and some pyroxene |
|---|
Location
| Latitude | 44.3264 |
|---|
| Longitude | -103.804 |
|---|
| State / province | South Dakota |
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| 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 | 16.3891 | | WT% | NAA |
| FE2O3 | 3.1739 | | WT% | NAA |
| MGO | 2.048 | | WT% | NAA |
| CAO | 2.9049 | | WT% | NAA |
| NA2O | 7.0561 | | WT% | NAA |
| TIO2 | 0.2223 | | WT% | NAA |
| MNO | 0.1007 | | WT% | NAA |
| BA | 780.644 | | PPM | NAA |
| CE | 243.098 | | PPM | NAA |
| CO | 3.0872 | | PPM | NAA |
| CR | 19.2737 | | PPM | NAA |
| CS | 43.1874 | | PPM | NAA |
| EU | 2.414 | | PPM | NAA |
| HF | 8.9208 | | PPM | NAA |
| LA | 122.23 | | PPM | NAA |
| LU | 0.5493 | | PPM | NAA |
| RB | 102.198 | | PPM | NAA |
| SC | 1.6193 | | PPM | NAA |
| SM | 18.6712 | | PPM | NAA |
| TA | 2.2788 | | PPM | NAA |
| TH | 51.6173 | | PPM | NAA |
| V | 43.608 | | PPM | NAA |
| YB | 3.247 | | PPM | NAA |
