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Sample 1-98
NavDat sample number 4754 · MONZONITE
Sample
| Sample ID | 1-98 |
|---|
| 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 | 44.3836 |
|---|
| Longitude | -103.761 |
|---|
| 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 | 16.0497 | | WT% | NAA |
| FE2O3 | 1.9009 | | WT% | NAA |
| MGO | 1.1702 | | WT% | NAA |
| CAO | 0.8054 | | WT% | NAA |
| NA2O | 4.1341 | | WT% | NAA |
| TIO2 | 0.2936 | | WT% | NAA |
| MNO | 0.0703 | | WT% | NAA |
| BA | 242.031 | | PPM | NAA |
| CE | 84.3842 | | PPM | NAA |
| CO | 1.7344 | | PPM | NAA |
| CR | 4.4557 | | PPM | NAA |
| CS | 4.0852 | | PPM | NAA |
| EU | 1.3553 | | PPM | NAA |
| HF | 4.2665 | | PPM | NAA |
| LA | 30.076 | | PPM | NAA |
| LU | 0.1296 | | PPM | NAA |
| RB | 94.0535 | | PPM | NAA |
| SB | 0.3686 | | PPM | NAA |
| SC | 0.8277 | | PPM | NAA |
| SM | 4.7667 | | PPM | NAA |
| TA | 1.665 | | PPM | NAA |
| TH | 11.3466 | | PPM | NAA |
| V | 10.548 | | PPM | NAA |
| YB | 1.37 | | PPM | NAA |
