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Sample T096
NavDat sample number 6895 · LATITE
Sample
| Sample ID | T096 |
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| Rock name | LATITE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | aphanitic holocrystalline groundmass with phenocrysts of plagioclase, hornblende, biotite, and rare aegirine-augite; groundmass composed of lath-shaped orthoclase arranged in pilotaxitic texture, interstitial quartz; glomerophyric |
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Location
| Latitude | 44.4146 |
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| Longitude | -104.022 |
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| Location | Black Hills |
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| State / province | South Dakota |
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| Volcanic field | Tinton District |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 48 |
|
38 |
59 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.69 | | WT% | XRF |
| AL2O3 | 17.49 | | WT% | XRF |
| FE2O3 | 1.84 | | WT% | XRF |
| FEO | 1.38 | | WT% | XRF |
| MGO | 0.72 | | WT% | XRF |
| CAO | 3.26 | | WT% | XRF |
| NA2O | 5.18 | | WT% | XRF |
| K2O | 3.5 | | WT% | XRF |
| TIO2 | 0.32 | | WT% | XRF |
| P2O5 | 0.22 | | WT% | XRF |
| MNO | 0.38 | | WT% | XRF |
| SO3 | 0 | | WT% | XRF |
