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Sample 1-78
NavDat sample number 4741 · MONZONITE
Sample
| Sample ID | 1-78 |
|---|
| 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 | 44.3414 |
|---|
| Longitude | -103.813 |
|---|
| 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 | 19.7443 | | WT% | NAA |
| FE2O3 | 0.6283 | | WT% | NAA |
| MGO | 4.1695 | | WT% | NAA |
| CAO | 1.126 | | WT% | NAA |
| NA2O | 8.2706 | | WT% | NAA |
| TIO2 | 0.3898 | | WT% | NAA |
| MNO | 0.1508 | | WT% | NAA |
| BA | 430.34 | | PPM | NAA |
| CE | 158.183 | | PPM | NAA |
| CO | 2.0465 | | PPM | NAA |
| CR | 5.4695 | | PPM | NAA |
| CS | 10.0439 | | PPM | NAA |
| EU | 2.2064 | | PPM | NAA |
| HF | 9.0133 | | PPM | NAA |
| LA | 116.924 | | PPM | NAA |
| LU | 0.4734 | | PPM | NAA |
| RB | 164.57 | | PPM | NAA |
| SB | 0.4737 | | PPM | NAA |
| SC | 0.0934 | | PPM | NAA |
| SM | 6.333 | | PPM | NAA |
| TA | 1.433 | | PPM | NAA |
| TH | 52.246 | | PPM | NAA |
| V | 30.9676 | | PPM | NAA |
| YB | 4.0251 | | PPM | NAA |
