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Sample 1-117
NavDat sample number 4768 · PHONOLITE
Sample
| Sample ID | 1-117 |
|---|
| Rock name | PHONOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | many anorthoclase phenocrysts and fewer albite phenocrysts; groundmass of plagioclase with distinct flow texture and little or no quartz; nepheline occurs in phenocrysts; pyroxene also present |
|---|
Location
| Latitude | 44.4374 |
|---|
| Longitude | -103.848 |
|---|
| 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 | 17.8612 | | WT% | NAA |
| FE2O3 | 2.1544 | | WT% | NAA |
| MGO | 3.0696 | | WT% | NAA |
| CAO | 0.3908 | | WT% | NAA |
| NA2O | 6.6012 | | WT% | NAA |
| TIO2 | 0.2524 | | WT% | NAA |
| BA | 311.294 | | PPM | NAA |
| CE | 262.668 | | PPM | NAA |
| CO | 1.5854 | | PPM | NAA |
| CR | 3.8244 | | PPM | NAA |
| CS | 3.6014 | | PPM | NAA |
| EU | 1.383 | | PPM | NAA |
| HF | 7.2391 | | PPM | NAA |
| LA | 105.714 | | PPM | NAA |
| LU | 0.2749 | | PPM | NAA |
| RB | 111.282 | | PPM | NAA |
| SB | 0.3696 | | PPM | NAA |
| SC | 0.2767 | | PPM | NAA |
| SM | 6.1428 | | PPM | NAA |
| TA | 0.754 | | PPM | NAA |
| TH | 38.0355 | | PPM | NAA |
| V | 24.1194 | | PPM | NAA |
| YB | 2.4855 | | PPM | NAA |
