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Abstract Quartz grains from Kudankulam Formation were studied using Scanning Electron Microscope (SEM), which brought out eighteen microtextures The quartz grains of Kudankulam Formation show different types of conchoidal fracture, arcuate steps, V-shaped patterns, pits and sub angular to sub-rounded outline The presence of conchoidal fracture and arcuate steps suggest that these quartz grains were derived from the nearby crystalline source The microtextures such as V-shaped patterns, pits, straight and curved scratches are characteristic of marine environment
Armstrong‐Altrin et al. (Fri,) studied this question.