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Sample 1-69
NavDat sample number 4736 · MONZONITE
Sample
| Sample ID | 1-69 |
|---|
| 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 | 44.3523 |
|---|
| Longitude | -103.837 |
|---|
| 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 | 6.774 | | WT% | NAA |
| FE2O3 | 1.078 | | WT% | NAA |
| MGO | 0.4667 | | WT% | NAA |
| CAO | 1.7815 | | WT% | NAA |
| NA2O | 0.3754 | | WT% | NAA |
| TIO2 | 0.0656 | | WT% | NAA |
| MNO | 0.003 | | WT% | NAA |
| BA | 542.762 | | PPM | NAA |
| CE | 75.2583 | | PPM | NAA |
| CO | 0.825 | | PPM | NAA |
| CR | 5.6006 | | PPM | NAA |
| CS | 4.1062 | | PPM | NAA |
| EU | 0.3595 | | PPM | NAA |
| HF | 2.7888 | | PPM | NAA |
| LA | 19.1006 | | PPM | NAA |
| LU | 0.4316 | | PPM | NAA |
| RB | 153.931 | | PPM | NAA |
| SB | 3.2832 | | PPM | NAA |
| SC | 0.6682 | | PPM | NAA |
| SM | 2.3864 | | PPM | NAA |
| TA | 0.6716 | | PPM | NAA |
| TH | 13.65 | | PPM | NAA |
| V | 4.2915 | | PPM | NAA |
| YB | 1.2357 | | PPM | NAA |
