▁the ▁area ; ▁it ▁is ▁in ▁the ▁center , ▁where ▁the ▁thick ness ▁is ▁the ▁greatest , ▁where ▁it ▁is ▁possible ▁that ▁the ▁mag ma ▁is ▁being ▁fed ▁to ▁the ▁Raj ma hal ▁Tra ps ▁up ▁above . ▁ ▁Den ud ation ▁In ▁the ▁British ▁Is les , ▁( P ale ogene ) ▁den ud ation ▁is ▁linked ▁with ▁mag m atic ▁under pl ating . ▁It ▁has ▁been ▁shown ▁that ▁the ▁w avel ength ▁and ▁amplitude ▁of ▁den ud ation ▁can ▁be ▁determined ▁by ▁the ▁density ▁and ▁distribution ▁of ▁the ▁under pl ating ▁in ▁a ▁given ▁area . ▁Model ing ▁of ▁data ▁brought ▁on ▁by ▁studies ▁of ▁the ▁British ▁Is les ▁shows ▁that ▁a ▁large ▁amount ▁of ▁high ▁velocity ▁material ▁occurs ▁around ▁the ▁Moh or ovi č ić ▁dis continu ity ▁under ▁the ▁Irish ▁Sea . ▁E pe iro gen ic ▁u pl ift ▁is ▁a ▁long - w avel ength ▁form ▁of ▁u pl ift ▁and ▁be ▁split ▁up ▁into ▁two ▁separate ▁categories , ▁which ▁is ▁trans ient ▁and ▁permanent . ▁P erman ent ▁e pe iro gen ic ▁u pl ift ▁is ▁possibly ▁mainly ▁produced ▁by ▁mag m atic ▁under pl ating , ▁while ▁trans ient ▁u pl ift ▁is ▁more ▁involved ▁with ▁mant le ▁con ve ction . ▁Mag m atic ▁under pl ating ▁is ▁important ▁for ▁causing ▁quick ▁e pe iro gen ic ▁u pl ift ▁in ▁certain ▁areas . ▁It ▁has ▁been ▁argued ▁that ▁the ▁greatest ▁den ud ation ▁happened ▁in ▁the ▁Pale ogene ▁due ▁to ▁records