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Sample 1-40
NavDat sample number 4721 · MONZONITE
Sample
| Sample ID | 1-40 |
|---|
| 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 | 44.3296 |
|---|
| Longitude | -103.812 |
|---|
| 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 | 18.9197 | | WT% | NAA |
| FE2O3 | 2.3732 | | WT% | NAA |
| MGO | 3.797 | | WT% | NAA |
| CAO | 4.5315 | | WT% | NAA |
| NA2O | 8.168 | | WT% | NAA |
| TIO2 | 0.1576 | | WT% | NAA |
| MNO | 0.1503 | | WT% | NAA |
| BA | 632.16 | | PPM | NAA |
| CE | 365.076 | | PPM | NAA |
| CO | 2.2197 | | PPM | NAA |
| CR | 8.5467 | | PPM | NAA |
| CS | 10.462 | | PPM | NAA |
| EU | 1.1456 | | PPM | NAA |
| HF | 7.7066 | | PPM | NAA |
| LA | 93.2212 | | PPM | NAA |
| LU | 0.8347 | | PPM | NAA |
| RB | 107.609 | | PPM | NAA |
| SB | 0.4056 | | PPM | NAA |
| SC | 0.4928 | | PPM | NAA |
| SM | 7.3193 | | PPM | NAA |
| TA | 1.1765 | | PPM | NAA |
| TH | 51.7917 | | PPM | NAA |
| V | 45.9751 | | PPM | NAA |
| YB | 3.4923 | | PPM | NAA |
