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The Dox Formation, also known as the Dox Sandstone, is a Mesoproterozoic rock formation that outcrops in the eastern Grand Canyon, Coconino County, Arizona. The Dox Formation comprises the bulk of the Unkar Group, the older subdivision of the Grand Canyon Supergroup. The Unkar Group is about 1,600 to 2,200 m (5,200 to 7,200 ft) thick and composed of, in…
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Dox Formation | Country | United States of America | 1.00 | infobox |
| Dox Formation | Named by | Noble (1914) | 1.00 | infobox |
| Dox Formation | Named for | Dox Castle, north side of Colorado River, Shinumo quadrangle, Coconino County, Arizona. | 1.00 | infobox |
| Dox Formation | Other | mudstone, dolomite, shale; interbedded basalt | 1.00 | infobox |
| Dox Formation | Overlies | Shinumo Quartzite | 1.00 | infobox |
| Dox Formation | Primary | sandstone | 1.00 | infobox |
| Dox Formation | Region | Arizona, Grand Canyon Isis Temple region, southwest Bright Angel Canyon, at north side, Granite Gorge, and along Colorado River | 1.00 | infobox |
| Dox Formation | Sub-units | Escalante Creek Member, Solomon Temple Member, Comanche Point Member, and Ochoa Point Member | 1.00 | infobox |
| Dox Formation | Thickness | 350 to 410 m (1,150 to 1,350 ft) | 1.00 | infobox |
| Dox Formation | Type | Geological formation | 1.00 | infobox |
| Dox Formation | Underlies | Cardenas Basalt | 1.00 | infobox |
| Dox Formation | Unit of | Unkar Group | 1.00 | infobox |
| Dox Formation | is a | Escalante Creek Member | 0.90 | text |
| Dox Formation | is a | Ochoa Point Member | 0.90 | text |
| Dox Formation | is a | complex sequence of marine | 0.90 | text |
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