When the forces move away from each other & cause stress in the rock strata. this process creates ruptures, Cracks this is called??
Answers
Answer:
yes i have ans.
Explanation:
Rocks that are pulled apart are under tension. Rocks under tension lengthen or break apart. Tension is the major type of stress at divergent plate boundaries. When forces are parallel but moving in opposite directions, the stress is called shear (figure 2).
Answer:
Rock cracks mechanically due to forces brought on by stress concentrations close to defects, heterogeneities, and physical discontinuities. High fluid pressures and lithostatic, tectonic, and thermal stresses all contribute to their formation. These cracks are called fractures.
A zone of fractures or a fracture between two rock blocks is referred to as a fault. The blocks can move in relation to one another cause of faults. This movement may be sudden, like an earthquake, or it may be gradual, like a creep. A flaw may be a few millimetres long or thousands of kilometres long.
A common cause of fracture is stress greater than the capacity of the rock, which results in the rock losing cohesiveness along its weakest plane. Fluids like water or hydrocarbons may be able to pass through fractures.
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