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Sample 1-73
NavDat sample number 4738 · MONZONITE
Sample
| Sample ID | 1-73 |
|---|
| 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 | 44.3647 |
|---|
| Longitude | -103.792 |
|---|
| 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 | 15.5245 | | WT% | NAA |
| FE2O3 | 1.6361 | | WT% | NAA |
| MGO | 2.8196 | | WT% | NAA |
| CAO | 2.2561 | | WT% | NAA |
| NA2O | 4.8498 | | WT% | NAA |
| TIO2 | 0.4452 | | WT% | NAA |
| MNO | 0.118 | | WT% | NAA |
| BA | 707.28 | | PPM | NAA |
| CE | 89.452 | | PPM | NAA |
| CO | 11.0229 | | PPM | NAA |
| CR | 107.998 | | PPM | NAA |
| CS | 2.7477 | | PPM | NAA |
| EU | 2.3419 | | PPM | NAA |
| HF | 5.3009 | | PPM | NAA |
| LA | 63.1657 | | PPM | NAA |
| LU | 0.4385 | | PPM | NAA |
| RB | 115.079 | | PPM | NAA |
| SB | 0.7719 | | PPM | NAA |
| SC | 7.5388 | | PPM | NAA |
| SM | 7.9961 | | PPM | NAA |
| TA | 1.3302 | | PPM | NAA |
| TH | 16.1561 | | PPM | NAA |
| V | 76.7222 | | PPM | NAA |
| YB | 1.969 | | PPM | NAA |
