ent ▁history ▁Between ▁ 1 9 8 9 ▁and ▁ 1 9 9 2 , ▁the ▁Norwegian ▁Ge ological ▁Survey ▁conducted ▁min eral ▁expl oration ▁studies ▁at ▁the ▁site ▁of ▁ Ø deg år den ▁Ver k . ▁ ▁Several ▁economic ▁uses ▁of ▁sc ap ol ite ▁were ▁considered , ▁including ▁the ▁use ▁of ▁expanded ▁sc ap ol ite ▁as ▁a ▁light weight ▁and ▁por ous ▁material ▁with ▁possible ▁applications ▁in ▁construction . ▁ ▁As ▁the ▁first ▁part ▁of ▁the ▁study , ▁N G U ▁ge ologist ▁J ens ▁H ys ing j ord ▁took ▁samples ▁of ▁several ▁sc ap ol ite - b ear ing ▁rocks ▁in ▁the ▁B am ble ▁area , ▁including ▁some ▁at ▁ Ø deg år den ▁Ver k . ▁ ▁H ys ing j ord ▁noted ▁that ▁the ▁r ut ile ▁content ▁of ▁the ▁ ø deg år d ite ▁rocks ▁had ▁economic ▁potential , ▁and ▁recommended ▁that ▁more ▁studies ▁be ▁done ▁at ▁the ▁mine ▁site . ▁ ▁The ▁ ø deg år d ite ▁ve in ▁was ▁discovered ▁to ▁be ▁at ▁least ▁ ▁long ▁extending ▁north - east wards ▁into ▁nearby ▁far ml and , ▁where ▁it ▁has ▁not ▁been ▁studied . ▁ ▁Est im ates ▁state ▁that ▁the ▁ve in ▁is ▁composed ▁of ▁about ▁ 1 0 0 ▁million ▁metric ▁tons ▁of ▁ ø deg år d ite ▁in ▁total . ▁ ▁Sam ples ▁of ▁ ø deg år d ite ▁taken ▁from ▁the ▁mine ' s ▁tail ings ▁contained ▁ 2 – 4 %