{"id":1248,"date":"2021-03-23T06:18:47","date_gmt":"2021-03-23T06:18:47","guid":{"rendered":"https:\/\/fuchenglhd.com\/?p=1248"},"modified":"2022-08-04T07:27:58","modified_gmt":"2022-08-04T07:27:58","slug":"mineracao-subterranea-versus-mineracao-de-superficie","status":"publish","type":"post","link":"https:\/\/fuchenglhd.com\/pt\/blog\/mineracao-subterranea-versus-mineracao-de-superficie\/","title":{"rendered":"Minera\u00e7\u00e3o subterr\u00e2nea vs. minera\u00e7\u00e3o de superf\u00edcie"},"content":{"rendered":"<p>O processo de extra\u00e7\u00e3o de recursos preciosos da terra \u00e9 conhecido como minera\u00e7\u00e3o. Os mineradores usam tecnologia para obter quaisquer recursos que n\u00e3o possam ser cultivados ou fabricados artificialmente. A minera\u00e7\u00e3o \u00e9 o processo de extra\u00e7\u00e3o de recursos n\u00e3o renov\u00e1veis, como combust\u00edveis f\u00f3sseis, minerais e at\u00e9 mesmo \u00e1gua. A minera\u00e7\u00e3o subterr\u00e2nea, a minera\u00e7\u00e3o de superf\u00edcie, a minera\u00e7\u00e3o de placer e a minera\u00e7\u00e3o in-situ s\u00e3o os quatro principais tipos de minera\u00e7\u00e3o. Os mineradores geralmente determinam o tipo de minera\u00e7\u00e3o dependendo do tipo e da posi\u00e7\u00e3o do corpo de min\u00e9rio. Cada m\u00e9todo de minera\u00e7\u00e3o tamb\u00e9m tem outros n\u00edveis de seguran\u00e7a e impacto ambiental, ambos para opera\u00e7\u00f5es de minera\u00e7\u00e3o leg\u00edtimas. Ent\u00e3o, qual \u00e9 a diferen\u00e7a entre minera\u00e7\u00e3o de superf\u00edcie e subterr\u00e2nea?  Este artigo demonstrar\u00e1 os dois m\u00e9todos de minera\u00e7\u00e3o mais importantes, a minera\u00e7\u00e3o subterr\u00e2nea (minera\u00e7\u00e3o de subsuperf\u00edcie) e a minera\u00e7\u00e3o de superf\u00edcie. Al\u00e9m disso, ele tamb\u00e9m esclarecer\u00e1 as diferen\u00e7as entre eles.<\/p>\n<h2>Minera\u00e7\u00e3o subterr\u00e2nea<\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/qUpnRHxoKc4\" title=\"Reprodutor de v\u00eddeo do YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><br \/>\nSobre a defini\u00e7\u00e3o de minera\u00e7\u00e3o subterr\u00e2nea, quando um corpo de min\u00e9rio se encontra a uma longa dist\u00e2ncia abaixo da superf\u00edcie do solo, os mineiros removem a quantidade espec\u00edfica de res\u00edduos (solo, pedras, part\u00edculas de poeira) para descobrir o corpo de min\u00e9rio atrav\u00e9s da superf\u00edcie, o que \u00e9 conhecido como minera\u00e7\u00e3o subterr\u00e2nea (minera\u00e7\u00e3o subterr\u00e2nea). Em resumo, a escava\u00e7\u00e3o de min\u00e9rio sob a cobertura do solo \u00e9 o processo de minera\u00e7\u00e3o subterr\u00e2nea. Por exemplo, <strong>O Cliente<\/strong> \u00e9 a maior mina subterr\u00e2nea do mundo, Drieftein min, Kusasalethu Gold Mine, Moab <strong>Mina de ouro Khotsong, mina de cobre-zinco Kidd Creek, mina Lucky Friday, mina de ouro LaRonde,<\/strong> etc. Mais de 2.400 quil\u00f4metros de t\u00faneis produzem aproximadamente 400.000 toneladas m\u00e9tricas de cobre por ano em El Teniente. Veja abaixo os tipos de minera\u00e7\u00e3o subterr\u00e2nea.<\/p>\n<h3>Tipos de jazidas<\/h3>\n<p>Os min\u00e9rios subterr\u00e2neos, que est\u00e3o a uma dist\u00e2ncia consider\u00e1vel abaixo da superf\u00edcie da terra, s\u00e3o adequados para a minera\u00e7\u00e3o subterr\u00e2nea (minera\u00e7\u00e3o de subsuperf\u00edcie).<strong>.<\/strong> Nesse caso, os min\u00e9rios met\u00e1licos, como cobre, ouro, zinco etc., s\u00e3o os corpos de min\u00e9rio comuns que os mineradores encontram sob o solo. Esses corpos de min\u00e9rio est\u00e3o a uma dist\u00e2ncia tal que a minera\u00e7\u00e3o de superf\u00edcie n\u00e3o consegue alcan\u00e7\u00e1-los. Nesse caso, a minera\u00e7\u00e3o de superf\u00edcie exige muito investimento para chegar l\u00e1. Portanto, eles precisam voltar ao m\u00e9todo de minera\u00e7\u00e3o subterr\u00e2nea.<\/p>\n<h3>Acesso ao corpo de min\u00e9rio<\/h3>\n<p>O acesso a corpos de min\u00e9rio tem quatro tipos diferentes de acesso subterr\u00e2neo. N\u00e3o entraremos em detalhes, mas, resumidamente, apresentaremos a defini\u00e7\u00e3o. Em geral, os mineiros seguem o acesso por po\u00e7o ao corpo de min\u00e9rio. Esse processo \u00e9 predominante na maioria dos processos de minera\u00e7\u00e3o subterr\u00e2nea (minera\u00e7\u00e3o de subsuperf\u00edcie). processos. Al\u00e9m disso, h\u00e1 outros tr\u00eas processos: acesso por declive, acesso por adits e acesso por min\u00e9rio.<\/p>\n<p><strong>Acesso ao eixo:<\/strong> Os shafts s\u00e3o acessos verticais de escava\u00e7\u00e3o diretamente ao corpo do min\u00e9rio. O acesso vertical \u00e9 geralmente adjacente \u00e0 localiza\u00e7\u00e3o do min\u00e9rio.<\/p>\n<p><strong>Recusar acesso:<\/strong> Os acessos aos declives s\u00e3o espirais ou declives da superf\u00edcie at\u00e9 o corpo de min\u00e9rio. Os acessos de decl\u00ednio podem ser circulares ou em forma de flanco.<\/p>\n<p><strong>Acesso ao adit:<\/strong> Adits s\u00e3o acessos de escava\u00e7\u00e3o horizontal dentro de colinas ou montanhas.<\/p>\n<p><strong>Acesso ao min\u00e9rio:<\/strong> O acesso direto ao corpo do min\u00e9rio \u00e9 o acesso ao min\u00e9rio.<\/p>\n<h3>M\u00e9todos de minera\u00e7\u00e3o<\/h3>\n<p>Dependendo do mineral extra\u00eddo e da natureza dos dep\u00f3sitos, h\u00e1 cinco m\u00e9todos diferentes de minera\u00e7\u00e3o subterr\u00e2nea (minera\u00e7\u00e3o de subsuperf\u00edcie). Os mineradores n\u00e3o trouxeram todos esses cinco m\u00e9todos prim\u00e1rios de minera\u00e7\u00e3o para o mundo. Dependendo um pouco do custo e da efici\u00eancia, eles criaram todos esses m\u00e9todos de minera\u00e7\u00e3o. Nesse caso, podem surgir outros m\u00e9todos de minera\u00e7\u00e3o que sejam mais baratos e eficazes no futuro. Mas, no mundo atual, esses cinco m\u00e9todos s\u00e3o populares na minera\u00e7\u00e3o subterr\u00e2nea (minera\u00e7\u00e3o de subsuperf\u00edcie).<\/p>\n<p><strong>Minera\u00e7\u00e3o de corte e aterro:<\/strong> O corte de fatias horizontais de min\u00e9rio do corpo de min\u00e9rio e seu preenchimento com material residual da usina de processamento mineral \u00e9 conhecido como m\u00e9todo de minera\u00e7\u00e3o Cut and fill.<\/p>\n<p><strong>Encolhimento:<\/strong> Qualquer t\u00e9cnica de minera\u00e7\u00e3o na qual o min\u00e9rio quebrado \u00e9 mantido temporariamente no talude para fornecer uma plataforma de trabalho e dar suporte tempor\u00e1rio \u00e0s paredes do talude durante a minera\u00e7\u00e3o ativa \u00e9 conhecida como retra\u00e7\u00e3o ou parada por retra\u00e7\u00e3o.<\/p>\n<p><strong>Furo longo do subn\u00edvel:<\/strong> O m\u00e9todo de minera\u00e7\u00e3o usado para grandes corpos de min\u00e9rio com profundidade \u00edngreme, formato regular e limites de min\u00e9rio aceit\u00e1veis, que funciona com base no princ\u00edpio de detona\u00e7\u00e3o de grandes corpos de min\u00e9rio, \u00e9 famoso como o m\u00e9todo de minera\u00e7\u00e3o de furo longo Sublevel.<\/p>\n<p><strong>Sala e pilar:<\/strong> A minera\u00e7\u00e3o de c\u00f4modos e pilares (um tipo de parada de peito) \u00e9 um m\u00e9todo de extra\u00e7\u00e3o de min\u00e9rio em um plano horizontal, resultando em matrizes horizontais de c\u00f4modos e pilares.<\/p>\n<p><strong>Caverna em blocos:<\/strong> Block caving \u00e9 um tipo de minera\u00e7\u00e3o subterr\u00e2nea de rochas duras que envolve a destrui\u00e7\u00e3o de um corpo de min\u00e9rio e permite que ele desmorone sob seu peso. \u00c9 um tipo de minera\u00e7\u00e3o subterr\u00e2nea semelhante \u00e0 minera\u00e7\u00e3o a c\u00e9u aberto.<\/p>\n<h3>Vantagens e desvantagens<\/h3>\n<p>Os benef\u00edcios e as desvantagens da minera\u00e7\u00e3o subterr\u00e2nea s\u00e3o:<\/p>\n<ol>\n<li>Esse m\u00e9todo de minera\u00e7\u00e3o tem impactos de poucos efeitos ambientais\uff08\n<div data-zone-id=\"0\" data-line-index=\"0\">impacto ambiental da minera\u00e7\u00e3o subterr\u00e2nea\uff09, como um terremoto. Al\u00e9m disso, o clima na superf\u00edcie n\u00e3o afeta a minera\u00e7\u00e3o subterr\u00e2nea.<\/div>\n<\/li>\n<li>Ele tem um m\u00ednimo de interfer\u00eancia na superf\u00edcie.<\/li>\n<li>Alta produtividade e efici\u00eancia.<\/li>\n<li>Isso exige mais custos e energia.<\/li>\n<li>O t\u00fanel interno pode ser perigoso devido \u00e0 radia\u00e7\u00e3o e aos gases t\u00f3xicos.<\/li>\n<li>T\u00fanel subterr\u00e2neo causa afundamento de superf\u00edcies.<\/li>\n<li>Esse m\u00e9todo de minera\u00e7\u00e3o requer mais recursos humanos.<\/li>\n<\/ol>\n<h2>Minera\u00e7\u00e3o de superf\u00edcie<\/h2>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/hxk4CZwu2hE\" title=\"Reprodutor de v\u00eddeo do YouTube\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><br \/>\nMinera\u00e7\u00e3o de superf\u00edcie\uff08minera\u00e7\u00e3o subterr\u00e2nea\uff09 \u00e9 um tipo de minera\u00e7\u00e3o em que o solo e a rocha que cobrem o dep\u00f3sito mineral s\u00e3o removidos em vez da minera\u00e7\u00e3o subterr\u00e2nea, em que as pedras sobrepostas s\u00e3o deixadas no lugar. A m\u00e1quina de minera\u00e7\u00e3o de superf\u00edcie (m\u00e1quinas de minera\u00e7\u00e3o de superf\u00edcie) \u00e9 essencial. O processo de minera\u00e7\u00e3o de superf\u00edcie \u00e9 muito complicado. O mineral \u00e9 extra\u00eddo por meio de po\u00e7os ou t\u00faneis. Em resumo, a minera\u00e7\u00e3o de superf\u00edcie (minera\u00e7\u00e3o de solo) \u00e9 um m\u00e9todo de extra\u00e7\u00e3o de minerais pr\u00f3ximo \u00e0 superf\u00edcie da terra. <strong>Mina de cobre em Bingham Canyon<\/strong> (EUA) Bingham Canyon \u00e9 a maior mina a c\u00e9u aberto do mundo, localizada a sudoeste de Salt Lake City, em Utah. Al\u00e9m disso, h\u00e1 outros exemplos, como <strong>Mina de cobre Chuquicamata<\/strong> (Chile), Mina de Cobre Escondida (Chile), Mina de Ouro Muruntau (Uzbequist\u00e3o), <strong>Mina de ouro Fimiston<\/strong> (Austr\u00e1lia), etc., s\u00e3o dignos de nota. Os tipos de minera\u00e7\u00e3o de superf\u00edcie s\u00e3o os seguintes.<\/p>\n<h3>Tipos de jazidas<\/h3>\n<p>O processo de minera\u00e7\u00e3o de superf\u00edcie \u00e9 muito complicado. A minera\u00e7\u00e3o de superf\u00edcie (minera\u00e7\u00e3o subterr\u00e2nea) \u00e9 adequada para dep\u00f3sitos de min\u00e9rio grandes e de baixo teor. Esses dep\u00f3sitos de min\u00e9rio ocorrem abaixo de uma fina camada de rocha ou de dep\u00f3sitos aluviais encontrados na areia e nos leitos dos rios. Usando esse m\u00e9todo de minera\u00e7\u00e3o, os mineradores extraem areia, cascalho, pedras, carv\u00e3o, ferro e outros metais. A m\u00e1quina de minera\u00e7\u00e3o de superf\u00edcie (m\u00e1quinas de minera\u00e7\u00e3o de superf\u00edcie) \u00e9 essencial.<\/p>\n<h3>Acesso ao corpo de min\u00e9rio<\/h3>\n<p>Primeiro, as mineradoras usam m\u00e1quinas de terraplanagem para remover a sobrecarga em todos os m\u00e9todos de minera\u00e7\u00e3o de superf\u00edcie (minera\u00e7\u00e3o subterr\u00e2nea). m\u00e9todos. O min\u00e9rio \u00e9 ent\u00e3o removido com escavadeiras de roda de ca\u00e7amba e p\u00e1s carregadeiras e carregado em caminh\u00f5es de transporte. Quando os mineiros esgotam o dep\u00f3sito, eles preenchem novamente a cratera com sobrecarga e, por fim, replantam a terra com vegeta\u00e7\u00e3o nativa. A m\u00e1quina de minera\u00e7\u00e3o de superf\u00edcie \u00e9 essencial.<\/p>\n<h3>M\u00e9todos de minera\u00e7\u00e3o de superf\u00edcie<\/h3>\n<p>O processo de minera\u00e7\u00e3o de superf\u00edcie \u00e9 muito complicado. H\u00e1 cinco m\u00e9todos de minera\u00e7\u00e3o de superf\u00edcie praticados recentemente por empresas de minera\u00e7\u00e3o populares. N\u00e3o entraremos em detalhes. N\u00f3s os apresentaremos em poucas palavras. Mas facilitaremos as coisas para que voc\u00ea possa entender corretamente.<\/p>\n<p><strong>Minera\u00e7\u00e3o de tiras:<\/strong> A minera\u00e7\u00e3o de tiras \u00e9 a minera\u00e7\u00e3o de um tema linear, removendo primeiro uma longa faixa de solo e rocha sobrejacentes. A sobrecarga. \u00c9 famosa pela minera\u00e7\u00e3o de carv\u00e3o, lignito e carv\u00e3o marrom. A minera\u00e7\u00e3o de tiras s\u00f3 \u00e9 pr\u00e1tica quando os mineiros escavam o corpo de min\u00e9rio relativamente perto da superf\u00edcie. H\u00e1 duas formas de minera\u00e7\u00e3o de tiras: remo\u00e7\u00e3o de \u00e1rea e remo\u00e7\u00e3o de contorno. A m\u00e1quina de minera\u00e7\u00e3o de superf\u00edcie \u00e9 essencial.<\/p>\n<p><strong>Minera\u00e7\u00e3o a c\u00e9u aberto:<\/strong> A minera\u00e7\u00e3o a c\u00e9u aberto (Opencast) \u00e9 um m\u00e9todo de extra\u00e7\u00e3o de rochas ou minerais do solo, removendo-os de um po\u00e7o a c\u00e9u aberto, tamb\u00e9m conhecido como \"borrower\". A minera\u00e7\u00e3o a c\u00e9u aberto \u00e9 a solu\u00e7\u00e3o mais econ\u00f4mica para uma empresa. Mas uma das desvantagens mais significativas da minera\u00e7\u00e3o a c\u00e9u aberto \u00e9 que ela \u00e9 o setor de minera\u00e7\u00e3o mais perigoso do mundo industrial. Por qu\u00ea? Porque causa efeitos agudos \u00e0 sa\u00fade dos mineiros e, ao mesmo tempo, danos \u00e0 terra ecol\u00f3gica.<\/p>\n<p><strong>Explora\u00e7\u00e3o de pedreiras:<\/strong> Pedreira \u00e9 o processo de extra\u00e7\u00e3o de rocha, areia, cascalho e outros minerais do solo para us\u00e1-los na fabrica\u00e7\u00e3o de materiais de constru\u00e7\u00e3o ou outros produtos. Como resultado, uma pedreira \u00e9 qualquer escava\u00e7\u00e3o na superf\u00edcie da terra onde os minerais s\u00e3o extra\u00eddos.<\/p>\n<p><strong>Remo\u00e7\u00e3o do topo da montanha:<\/strong> A minera\u00e7\u00e3o de remo\u00e7\u00e3o do topo da montanha -MTR (mountaintop mining-MTM) \u00e9 um tipo de minera\u00e7\u00e3o de superf\u00edcie no cume ou na crista de uma montanha. Os veios de carv\u00e3o s\u00e3o extra\u00eddos de uma montanha por meio da remo\u00e7\u00e3o da terra que fica acima dos veios, conhecida como sobrecarga. Como os veios de carv\u00e3o s\u00e3o acessados por cima e n\u00e3o pelo subsolo, esse m\u00e9todo \u00e9 mais seguro do que a minera\u00e7\u00e3o subterr\u00e2nea.<\/p>\n<p><strong>Dragagem:<\/strong> \u201cDragagem\u201d \u00e9 um termo usado para descrever a remo\u00e7\u00e3o. A dragagem \u00e9 o processo de utiliza\u00e7\u00e3o de equipamentos flutuantes para escavar um dep\u00f3sito aluvial debaixo d\u2019\u00e1gua. Dependendo do m\u00e9todo de transporte do material, os sistemas de dragagem s\u00e3o classificados como mec\u00e2nicos ou <a href=\"https:\/\/hydraulicsmfg.com\/\">hidr\u00e1ulico<\/a>.<\/p>\n<h3>Vantagens e desvantagens<\/h3>\n<p>Semelhante \u00e0 minera\u00e7\u00e3o subterr\u00e2nea, a minera\u00e7\u00e3o de superf\u00edcie tamb\u00e9m tem algumas vantagens e desvantagens. As mais comuns s\u00e3o:<\/p>\n<ol>\n<li>A maioria das minas de superf\u00edcie se recupera rapidamente. Cerca de 95 a 100% das minas se recuperam ap\u00f3s a conclus\u00e3o da minera\u00e7\u00e3o.<\/li>\n<li>N\u00e3o h\u00e1 obst\u00e1culos para o uso de m\u00e1quinas. Os mineiros t\u00eam a liberdade de operar m\u00e1quinas pesadas.<\/li>\n<li>A minera\u00e7\u00e3o de superf\u00edcie \u00e9 mais barata do que a minera\u00e7\u00e3o subterr\u00e2nea.<\/li>\n<li>Tamb\u00e9m n\u00e3o requer mais recursos humanos do que a minera\u00e7\u00e3o subterr\u00e2nea.<\/li>\n<li>A minera\u00e7\u00e3o de superf\u00edcie ocupa uma grande escala de terras cultiv\u00e1veis. Assim, ocorrem danos ecol\u00f3gicos maci\u00e7os.<\/li>\n<li>M\u00e1quinas explosivas e pesadas causam polui\u00e7\u00e3o sonora.<\/li>\n<\/ol>\n<h2>Quais s\u00e3o suas diferen\u00e7as?<\/h2>\n<p>Conhecemos a breve descri\u00e7\u00e3o de ambas as minas e seus diferentes m\u00e9todos. Talvez agora seja dif\u00edcil diferenciar as diferen\u00e7as entre elas. Por isso, elaboramos uma fabulosa tabela de diferen\u00e7as entre a minera\u00e7\u00e3o subterr\u00e2nea e a minera\u00e7\u00e3o de superf\u00edcie para ajud\u00e1-lo a entender melhor.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"208\"><strong>Conte\u00fado<\/strong><\/td>\n<td width=\"208\"><strong>Minera\u00e7\u00e3o subterr\u00e2nea<\/strong><\/td>\n<td width=\"208\"><strong>Minera\u00e7\u00e3o de superf\u00edcie<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Tipo<\/strong><\/td>\n<td width=\"208\">A mina subterr\u00e2nea precisa de t\u00faneis que atravessam a terra sob a superf\u00edcie terrestre.<\/td>\n<td width=\"208\">A minera\u00e7\u00e3o de superf\u00edcie est\u00e1 aberta sob o c\u00e9u.<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Complexidade<\/strong><\/td>\n<td width=\"208\">Mais perigoso e complexo para acessar o corpo de min\u00e9rio<\/td>\n<td width=\"208\">Muito mais f\u00e1cil para os mineiros acessarem os materiais<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Riscos<\/strong><\/td>\n<td width=\"208\">Riscos e perigos para alcan\u00e7ar o min\u00e9rio subterr\u00e2neo<\/td>\n<td width=\"208\">Menor risco de colapso da mina do que na minera\u00e7\u00e3o subterr\u00e2nea<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Grau do min\u00e9rio<\/strong><\/td>\n<td width=\"208\">Min\u00e9rios de alta qualidade<\/td>\n<td width=\"208\">Min\u00e9rios de baixo teor<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Trabalhadores <\/strong><\/td>\n<td width=\"208\">Exigir mais trabalhadores para operar os t\u00faneis e a minera\u00e7\u00e3o<\/td>\n<td width=\"208\">Exigem menos m\u00e3o de obra do que a minera\u00e7\u00e3o subterr\u00e2nea.<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Custo<\/strong><\/td>\n<td width=\"208\">Econ\u00f4mico e eficiente<\/td>\n<td width=\"208\">Custo-benef\u00edcio<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Produtividade <\/strong><\/td>\n<td width=\"208\">500 a 800 toneladas por dia<\/td>\n<td width=\"208\">5000 a 100000 toneladas por dia<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>A vida na mina<\/strong><\/td>\n<td width=\"208\">At\u00e9 &gt; 100 anos<\/td>\n<td width=\"208\">10 a 25 anos, raramente mais.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Resumo<\/h2>\n<p>Em geral, qual \u00e9 a diferen\u00e7a entre minera\u00e7\u00e3o de superf\u00edcie e subterr\u00e2nea? A minera\u00e7\u00e3o de superf\u00edcie \u00e9 melhor. Mas se os mineiros n\u00e3o tiverem escolha, eles devem optar pelos m\u00e9todos de minera\u00e7\u00e3o subterr\u00e2nea. Considerando todos os fatores, tanto econ\u00f4micos quanto ambientais, a empresa decidir\u00e1 qual deles escolher. Ambos os m\u00e9todos de minera\u00e7\u00e3o s\u00e3o lucrativos, mas a minera\u00e7\u00e3o de superf\u00edcie \u00e9 melhor do que a minera\u00e7\u00e3o subterr\u00e2nea em termos de lucro.<\/p>\n<p>No entanto, esperamos ter deixado todo esse conte\u00fado claro o suficiente para que voc\u00ea entenda os dois m\u00e9todos de minera\u00e7\u00e3o. Esperamos tamb\u00e9m que este artigo torne sua pesquisa mais f\u00e1cil do que antes.<\/p>","protected":false},"excerpt":{"rendered":"<p>The process of extracting precious resources from the earth is known as mining. Miners use technology to obtain any resources that are uncultivable or not manufacturable artificially. Mining is the process of extracting non-renewable resources such as fossil fuels, minerals, and even water. Underground mining, surface mining, placer mining, and in-situ mining are the four [&#8230;]\n","protected":false},"author":1,"featured_media":1781,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1248","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Underground Mining vs. Surface Mining, What Are Their Differences<\/title>\n<meta name=\"description\" content=\"Learn different mining methods for underground mining &amp; surface mining. 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