Iji nweta ubi nkeonwe, na-enweghị ịhapụ oke ụlọ gị, ị nwere ike itisa akwa n'akụkụ aka ekpe n'etiti ime ụlọ ahụ, kụọkwa ya ime ụlọ nke Volugétal shelf na windo. Jules Charbonte (Jules Charbonnet), usoro Nicolas Charbon, na realculation (julet Charbonte), na mineral nke ahịrị osisi atọ, na-ede ".
