Copper yana fitowa ne daga ruwan zafi, wanda akasari ya ƙunshi ruwa, kuma ana fitar da magma mai sanyi.Wadannan magma, wadanda kuma su ne ginshikin fashewa, suna fitowa ne daga tsaka-tsakin Layer da ke tsakanin gindin duniya da ɓawon burodi, wato alkyabbar, sannan ya tashi zuwa saman ƙasa ya zama ɗakin magma.Zurfin wannan ɗakin gabaɗaya yana tsakanin 5km zuwa 15km.

Samar da ma'aunin tagulla yana ɗaukar dubun dubata zuwa ɗaruruwan dubban shekaru, kuma fashewar aman wuta ya fi yawa.Fashewar fashewar ya dogara da haɗuwa da sigogi da yawa adadin allurar magma, adadin sanyaya da taurin ɓawon burodin da ke kewaye da ɗakin magma.

Gano kamanceceniya tsakanin manyan tsaunuka masu aman wuta da tarkace zai sa a yi amfani da ɗimbin ilimin da masana ilimin volcano suka samu don ci gaba da fahimtar da ake samu a halin yanzu na samuwar ɓarna.