Nisan mil 250 daga tsibirin Canary na El Hierro, mai nisan kilomita 400, akwai wani karamin gari a kan teku, 'manna' na kayan fasaha na zamani.
Tare da zuwan zamanin ma'adinai na karkashin ruwa, Tropic yana ɗaukar sabon dacewa. Wani tsohon dutsen mai aman wuta ne wanda ya tashi daga kasan Tekun Atlantika daga zurfin mita 4.200 kasa da mita 1.000 daga saman kasa. IGME, IEO, ko Cibiyar Hydrographic na Navy sun san wannan binciken da ba a yi amfani da su ba tsawon shekaru. Wannan dutsen yana da asalin dutsen mai aman wuta kamar na Canary Islands kuma kusan sau shida ya girmi Fuerteventura, mafi tsufa a cikin tsibiran sa'a, yana da shekaru miliyan 23.
Tropic yana tare da 'yar'uwarsa tsaunukan Echo, Paps da Drago, waɗanda suka kasance masu goyan bayan balaguron balaguro da yawa, kamar 'Drago 0511', wanda ko da yake ana nufin yin rikodin saman dandalin Canarian, kuma ya tattara jerin bayanai daga. Atypical ajiya ajiya a karkashin ruwa, a yau mafi daraja fiye da zinariya kanta. Waɗannan ƙananan ƙarfe ne da ma'adanai waɗanda ba safai ba, masu zama dole kuma dabaru a sassa kamar na zamani kamar fasahar fasaha. Labarin IGME ya bayyana wannan a cikin mujallar Ore Geology Reviews, wanda ke ba da sanarwar "ferromanganese (FeMn) ɓawon burodi a cikin ɓangarorin da ba kasafai ba" wanda fitowar su "ya rufe fiye da kashi 35% na babban taron koli" na wannan dutse.
"Kudin hydrogenetic na ferromanganese na iya fashe a matsayin mahimman albarkatun ƙarfe a nan gaba," in ji mujallar a cikin labarin haɗin gwiwar jami'o'i da yawa. Iron, jan ƙarfe, manganese, cobalt, vanadium, tellurium, nickel, platinum, da kuma 'ƙasassun da ba safai ba' an samo su tare da yttrium.
Kariya ko amfani
Ma'adinan karkashin ruwa yana da bangarori daban-daban, wadanda suke son girma da yin tsalle-tsalle ta hanyar fasaha ta hanyar amfani da waɗannan dukiyar karkashin ruwa kuma suna son yin shawarwari don kare su.
Masu adawa da wannan ma'adinai a ƙarƙashin teku suna tabbatar da cewa waɗannan halittu suna da hankali kuma suna da wuyar gaske, tun da masu tsabta irin su na Tropic zasu iya hana sabbi daga faruwa a nan gaba godiya ga waɗannan yanayi ko magunguna, da ke hade da rayuwar teku.
Wurin Dutsen Tropic - IEO
nau'in murjani na Quince da sponges da aka sani da hexactinellids (Poliopogon tinder), ƙwai mai zurfin teku, lambunan murjani da al'ummomi masu saurin girma da yanayin halittu, suna ƙara ƙaranci kuma suna da rauni sosai ga tasirin ɗan adam, suna zaune a cikin gadon Tropic.
