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Sample 1-93
NavDat sample number 4752 · MONZONITE
Sample
| Sample ID | 1-93 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | abundant phenocrysts of plagioclase and K feldspar; microgranular groundmass of orthoclase and quartz; pyroxenes also present |
|---|
Location
| Latitude | 44.3786 |
|---|
| Longitude | -103.778 |
|---|
| 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 | 16.451 | | WT% | NAA |
| FE2O3 | 5.5022 | | WT% | NAA |
| MGO | 1.7975 | | WT% | NAA |
| CAO | 2.291 | | WT% | NAA |
| NA2O | 4.529 | | WT% | NAA |
| TIO2 | 0.6479 | | WT% | NAA |
| MNO | 0.1725 | | WT% | NAA |
| BA | 363.95 | | PPM | NAA |
| CE | 260.28 | | PPM | NAA |
| CO | 5.2216 | | PPM | NAA |
| CR | 6.4728 | | PPM | NAA |
| CS | 10.1251 | | PPM | NAA |
| EU | 3.8141 | | PPM | NAA |
| HF | 6.3853 | | PPM | NAA |
| LA | 82.3956 | | PPM | NAA |
| LU | 0.5599 | | PPM | NAA |
| RB | 76.9309 | | PPM | NAA |
| SB | 0.3706 | | PPM | NAA |
| SC | 3.92 | | PPM | NAA |
| SM | 13.9972 | | PPM | NAA |
| TA | 1.3932 | | PPM | NAA |
| TH | 21.1203 | | PPM | NAA |
| V | 38.862 | | PPM | NAA |
| YB | 3.5339 | | PPM | NAA |
