Icho chinopisa kuti chivhare mu mercury, ichichisiya ndarama kumashure kuti ichidzore kubva kubva ku 50% mercury uye 50% yegoridhe amalgam.
Kubhadhara mhando yezvigadzirwa zvegoridhe zviduku-duku ndeye nzira yekurarama kune vanofungidzirwa mamiriyoni gumi nemamiriyoni munyika makumi manomwe, kusanganisira vanenge mamiriyoni matatu vakadzi nevana. Zvinoshamisika uye pamusoro pekushanda kwevashandi vepasi rose mumigodhi yegoridhe uye inomiririra 90% yevashandi vekutsvaira migodhi munyika yose, minda yegoridhe yakawanda inogadzira 15% yegore negore yekugadzirwa kwegoridhe .
Guyana Shield nzvimbo (Surinam, Guiana neFrench Guiana), Indonesia, Philippines uye chikamu cheMadokero kweGungwa (kureva, Ghana) inonyanya kukanganiswa nechishamiso. Pasi pemagariro ehupfumi uye ezvematongerwe enyika anowanikwa mukushanda kwekutsvaira kwegoridhe kadiki, kushandiswa kwe mercury kunowanzoonekwa sechinhu chiri nyore uye chinogadzirisa-chinogadziriswa chekuparadzana kwegoridhe.
Mercury Watch, sangano "rakatsaurirwa kuunganidza, kuongorora, uye kushumira pachena pamusoro pe mercury rakabudiswa kune zvakatipoteredza," inotaura kuti "unyanzvi hwemigodhi yegoridhe ndiyo inonyanya kudiwa ye mercury munyika.Uye inofungidzirwa matani 1400 e mercury yakashandiswa kuburikidza neArtisanal scale minda yegoridhe miners munyika yose muna 2011 " .
Nei Kushandiswa kweMercury ari Dambudziko?
Chero chezvikamu zvina zvehuwandu hwegoridhe hwekugadzirwa kwegoridhe, iko kubatana, kupatsanurwa kwekubatanidzwa, kubviswa kwehuwandu hwe mercury, uye kupisa kwemamwe mararamiro, kusunungura mercury munzvimbo. Somugumisiro uye pamwe chete ne Wikipedia, "11% yevanhu-yakabva mumvura ye mercury (50% yehuwandu, imwe hafu inobva mumamiriro ezvisikwa, zvakadai sechiitiko chebhururu) inobva mukugadzirwa kwegoridhe. mercury inobudiswa muU.S. ndiyo matatu makuru emidziyo yegoridhe. "Hydrogeochemical release of mercury kubva kune goridhe-mami tailings yakaverengwa sechinhu chinokosha chemhepo inonzi mercury kumabvazuva kweCanada".
Iyo inobvumirwa kuva yechipiri bedzi (kunyange zvazvo iri kure kure kumashure ...) kupisa moto unopisa semugove wevanhu-wakagadzirwa mercure kubuda mumhepo.
Zvinonyatsozivikanwa kuti mercury inotyisa zvikuru, inokonzera kukanganisa kwenheyo yehutano kunyange kunyange zvishoma zvakaderera mazinga ekutsvaga. Maererano neWorld Health Organisation : "Elemental uye methylmercury inotyisa kusvika pakati nepakati penheyo yenheyo yehurumende. Kuvhara kwe mercury vapor kunogona kuunza zvinokuvadza pamagetsi, zvirwere uye zvirwere zvekudzivirira muviri, mapapu uye zvinso, uye zvinogona kuuraya. ) Zvirwere zvehutano nehutano zvinogona kuonekwa mushure mekunyora, kuisa kana kuvhara kwekushandiswa kwezvikamu zvakasiyana-siyana zve mercury. Zviratidzo zvinosanganisira kudengenyeka, kusuruvara, kukanganwa kwepfungwa, neuromuscular effects, misoro yepamusoro uye kugadziriswa uye motokari kusagadzikana. (...) Vana vanonyanya kuomerwa uye vanogona kuonekwa zvakananga nekudya hove dzakasvibiswa .Methylmercury yakasanganiswa muhove uye inopedzwa nevakadzi vane pamuviri inogona kutungamirira kune zvinetso zvinotyisa mumucheche unosimudzira. maonero uye kurasikirwa kwekunzwa, kunonoka kukura, kushungurudza mutauro uye kurasikirwa mupfungwa ldren, chirwere chinoratidzirwa nemagetsi matsvuku uye anorwadza anonzi acrodynia akataurwa kuti anokonzerwa nekusingaperi kwe mercury exposure. "
Mhepo inosvibisa inogona kusvibisa mhepo uye mvura iri kure kure, zvichida, saka, mhinduro yepasi pose inoderedza pamaderera pasi inogona kushandiswa kwayo kusingadzorwi nekambani kadiki kadiki yegoridhe.