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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Geology (GG)
Q.27 rapid mass movement of water-saturated regolith is called iti (a) landslide (b) creep csolifluction (d) earth flow n 29 which one of the follouving mineral
Q.27 Rapid mass movement of water-saturated regolith is called iti (A) landslide (B) creeP Csolifluction (D) earth flow n 29 Which one of the follouving minerals shows four sets of cleavage?
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EARTHFLOW IS THE MASSMOVEMET OF WATER SATURATED FAST MOVING REGOLITH. CREEP IS A SLOW MOVEMENT. SOLIFLUCTION IS NOT SO MUCH WATER ITS IN THE DRIERSIDE AND SPEED IS INTERMEDIATE. LANDSLIDE IS DRY FAST VELOCITY.
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Saurabh 1
Basically Creep and Solifluction are slow movement of the regolith. Creep is the slow movement down the slope due to repeated expansion and contraction majorly caused by freezing, thermal expansion or sometimes seasonal water saturation, similarly solifluction is slow flow of water saturated regolith. Landslide consists of various ways or types of flow of the regolith (or rock failure also) ranging from slow to fast movements(mainly Rotational slide and translational slide). While earth flow lies intermediate to rock flow and debris flow. So most probable answer has to be earth flow