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How does schist form from shale?
Shale rocks are formed in the deep waters of swaps, oceans and lakes where the water is still and the fine clay and silt particles are able to settle to the floor. Shale rocks can easily erode due to weathering.
Is shale resistant to erosion?
Shale is generally more resistant to erosion compared to other rock types like sandstone due to its fine-grained nature and ability to compact tightly. However, shale can still erode over time through processes such as weathering, rainfall, and freeze-thaw cycles.
Why can water pass easily through sandstone but not shale?
Because sandstone has wider particles than shale and this let's the water through.
What is the definition of erode?
Erode means to gradually wear away
Is shale considered as an aquifer?
Shale can contain water, but it is not typically considered a primary aquifer like sand or gravel formations. Shale is a type of rock that is less porous and permeable, making it less capable of storing and transmitting water compared to other types of rocks. However, shale layers can still act as a confining layer that separates and protects aquifers above or below it.
