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Sample 1-99
NavDat sample number 4755 · MONZONITE
Sample
| Sample ID | 1-99 |
|---|
| 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 | 44.3892 |
|---|
| Longitude | -103.757 |
|---|
| State / province | South Dakota |
|---|
| Volcanic field | Black Hill Tertiary igneous province |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 47 |
|
40 |
55 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| AL2O3 | 15.812 | | WT% | NAA |
| FE2O3 | 1.9029 | | WT% | NAA |
| MGO | 2.074 | | WT% | NAA |
| CAO | 0.4919 | | WT% | NAA |
| NA2O | 4.1327 | | WT% | NAA |
| TIO2 | 0.2958 | | WT% | NAA |
| MNO | 0.0297 | | WT% | NAA |
| BA | 513.869 | | PPM | NAA |
| CE | 86.0278 | | PPM | NAA |
| CO | 1.5329 | | PPM | NAA |
| CR | 5.1482 | | PPM | NAA |
| CS | 4.5321 | | PPM | NAA |
| EU | 1.0706 | | PPM | NAA |
| HF | 3.6589 | | PPM | NAA |
| LA | 21.489 | | PPM | NAA |
| LU | 0.1294 | | PPM | NAA |
| RB | 95.8796 | | PPM | NAA |
| SB | 0.4371 | | PPM | NAA |
| SC | 0.8339 | | PPM | NAA |
| SM | 2.3868 | | PPM | NAA |
| TA | 1.4499 | | PPM | NAA |
| TH | 10.9408 | | PPM | NAA |
| V | 11.153 | | PPM | NAA |
| YB | 0.911 | | PPM | NAA |
