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Caprock or cap rock is a hard, resistant, and impermeable layer of rock that overlies and protects a layer of softer material. In petroleum geology the softer lower layer may be a reservoir of oil or natural gas.
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layers softer rock petroleum also salt erosion water like hydrocarbons creating canyon impermeable formation materials material formations domes grand influences
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| differential erosion | instance of | The formation of caprock occurs through processes | 0.80 | text |
| where resistant rocks remain as elevated features while softer rocks erode away | instance of | The formation of caprock occurs through processes | 0.80 | text |
| lithology | instance of | The efficiency of caprock in sealing hydrocarbons is influenced by several factors | 0.80 | text |
| thickness | instance of | The efficiency of caprock in sealing hydrocarbons is influenced by several factors | 0.80 | text |
| porosity | instance of | The efficiency of caprock in sealing hydrocarbons is influenced by several factors | 0.80 | text |
| permeability | instance of | The efficiency of caprock in sealing hydrocarbons is influenced by several factors | 0.80 | text |
| and mechanical properties | instance of | The efficiency of caprock in sealing hydrocarbons is influenced by several factors | 0.80 | text |
| sandstone | instance of | Its layered rock formations include caprock layers | 0.80 | text |
| limestone | instance of | Its layered rock formations include caprock layers | 0.80 | text |
| and shape the canyon's dramatic cliffs | instance of | Its layered rock formations include caprock layers | 0.80 | text |
| plateaus like the Kaibab Limestone formation | instance of | Its layered rock formations include caprock layers | 0.80 | text |
| Caprock | related to Geological characteristics | Common | 0.60 | section |
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