← Search
Sample 1-52
NavDat sample number 4728 · MONZONITE
Sample
| Sample ID | 1-52 |
|---|
| 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 | 44.321 |
|---|
| Longitude | -103.79 |
|---|
| 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 | 6.7211 | | WT% | NAA |
| FE2O3 | 3.2421 | | WT% | NAA |
| MGO | 0.7694 | | WT% | NAA |
| CAO | 4.4501 | | WT% | NAA |
| NA2O | 6.9367 | | WT% | NAA |
| TIO2 | 0.1509 | | WT% | NAA |
| MNO | 0.0374 | | WT% | NAA |
| BA | 948.26 | | PPM | NAA |
| CE | 553.431 | | PPM | NAA |
| CO | 3.334 | | PPM | NAA |
| CR | 17.7321 | | PPM | NAA |
| CS | 18.5701 | | PPM | NAA |
| EU | 2.3763 | | PPM | NAA |
| HF | 10.1715 | | PPM | NAA |
| LA | 120.121 | | PPM | NAA |
| LU | 0.4152 | | PPM | NAA |
| RB | 116.474 | | PPM | NAA |
| SB | 0.2596 | | PPM | NAA |
| SC | 1.8097 | | PPM | NAA |
| SM | 10.4762 | | PPM | NAA |
| TA | 1.7119 | | PPM | NAA |
| TH | 59.9527 | | PPM | NAA |
| V | 24.7139 | | PPM | NAA |
| YB | 5.0684 | | PPM | NAA |
