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Sample 1-39
NavDat sample number 4720 · MONZONITE
Sample
| Sample ID | 1-39 |
|---|
| Rock name | MONZONITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | phenocrysts of plagioclase and anorthoclase; groundmass ranges from cryptocrystalline to microgranular with k-feldspar and quartz; also contains biotite and some pyroxene |
|---|
Location
| Latitude | 44.3285 |
|---|
| Longitude | -103.81 |
|---|
| State / province | South Dakota |
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| 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 | 20.4389 | | WT% | NAA |
| FE2O3 | 0.6525 | | WT% | NAA |
| MGO | 2.6028 | | WT% | NAA |
| CAO | 7.0879 | | WT% | NAA |
| NA2O | 7.9568 | | WT% | NAA |
| TIO2 | 0.4573 | | WT% | NAA |
| MNO | 0.118 | | WT% | NAA |
| BA | 120.67 | | PPM | NAA |
| CE | 104.317 | | PPM | NAA |
| CO | 1.7854 | | PPM | NAA |
| CR | 6.8565 | | PPM | NAA |
| CS | 7.0892 | | PPM | NAA |
| EU | 1.4938 | | PPM | NAA |
| HF | 7.8114 | | PPM | NAA |
| LA | 91.485 | | PPM | NAA |
| LU | 0.551 | | PPM | NAA |
| RB | 98.5114 | | PPM | NAA |
| SC | 0.6026 | | PPM | NAA |
| SM | 7.4284 | | PPM | NAA |
| TA | 1.8946 | | PPM | NAA |
| TH | 44.9679 | | PPM | NAA |
| V | 74.6862 | | PPM | NAA |
| YB | 3.1454 | | PPM | NAA |
