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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Owishi Sarkar Best Answer
The answer should be hotspot as active volcanism always take place at the point on the tectonic plate directly above the hotspot. Batholiths are discordant intrusive bodies that are present deep below the surface of the Earth and may be emplaced at any place irrespective of the point of active volcanism.
but batholith are formed by accumulation of plumes.
Volcanic islands are formed by hotspots. Batholiths can be formed anywhere by cooling of huge magmatic body, they are not associated with plumes.