eral ▁depos its . ▁ ▁There ▁are ▁a ▁particularly ▁large ▁number ▁of ▁provinces ▁identified ▁world wide ▁for ▁pet role um ▁and ▁other ▁min eral ▁fu els , ▁such ▁as ▁the ▁Niger ▁D elta ▁pet role um ▁province . ▁ ▁See ▁also ▁ ▁Phys i ographic ▁province ▁ ▁Ge omorph ology ▁ ▁United ▁States ▁Ge ological ▁Survey ▁ ▁References ▁ ▁External ▁links ▁Ge olog ic ▁Province ▁Map ▁of ▁the ▁World ▁( N AS A ) ▁De fin itions ▁for ▁the ▁Ge olog ic ▁Provin ces ▁( US GS ) <0x0A> </s> ▁Mont agn ac ▁ ▁is ▁a ▁commune ▁in ▁the ▁H éra ult ▁department ▁in ▁the ▁Occ it anie ▁region ▁in ▁southern ▁France . ▁ ▁History ▁The ▁Saint - Martin ▁Chap el ▁was ▁mentioned ▁in ▁ 8 4 7 . ▁Protest ant ▁population : ▁the ▁town ▁was ▁dev ast ated ▁during ▁the ▁French ▁Wars ▁of ▁Religion . ▁The ▁fe ud al ▁castle , ▁Ch âteau ▁de ▁Lav agn ac , ▁was ▁dis m ant led ▁in ▁the ▁ 1 7 th ▁century ▁on ▁the ▁orders ▁of ▁Rich el ieu ▁and ▁rem od elled ▁in ▁accord ance ▁with ▁the ▁t ast es ▁of ▁the ▁day . ▁It ▁is ▁currently ▁the ▁subject ▁of ▁an ▁enorm ous ▁tour ism ▁project ▁which ▁is ▁opposed ▁by ▁a ▁minor ity ▁of ▁the ▁local ▁population . ▁ ▁Population ▁ ▁Its ▁inhabitants ▁are ▁called ▁Mont agn aco is . ▁ ▁International ▁relations ▁Mont agn ac ▁is ▁tw inned ▁with ▁N er pio ▁in ▁Spain . ▁ ▁Personal ities ▁ ▁Jean ▁Henri ▁Lat