Nk’uko byatangajwe mu makuru yo ku ya 8 Ugushyingo 2021, ubushakashatsi bw’Amerika muri Jewoloji (USGS) bwasuzumye amoko y’amabuye y'agaciro hakurikijwe itegeko ry’ingufu ryo mu 2020, ryashyizweho nk'amabuye y'agaciro akomeye muri 2018. Ku rutonde rushya rwashyizwe ahagaragara, 50 zikurikira ubwoko bw'amabuye y'agaciro burasabwa (muburyo bw'inyuguti).
Aluminium, antimoni, arsenic, barite, beryllium, bismuth, cerium, cesium, chromium, cobalt, chromium, erbium, europium, fluorite, gadolinium, gallium, germanium, grafite, hafnium, holmium, indium, iridium, lanthanum, lithium. magnesium, manganese, neodymium, nikel, niobium, palladium, platine, praseodymium, rhodium, rubidium, lutetium, samarium, scandium, tantalum, tellurium, terbium, thulium, amabati, titanium, tungsten, vanadium, ytterium
Mu itegeko ry’ingufu, amabuye y'agaciro asobanurwa nk'amabuye y'agaciro atari peteroli cyangwa ibikoresho by'amabuye y'agaciro bikenewe mu bukungu bwa Amerika cyangwa umutekano.Bafatwa nk'urwego rutanga isoko, Minisiteri y’imbere mu gihugu igomba kuvugurura ibintu byibuze buri myaka itatu ishingiye ku buryo bushya bw’amategeko agenga ingufu.USGS irasaba ibitekerezo rusange mugihe cyo ku ya 9 Ugushyingo-9 Ukuboza 2021.