T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 9 – Arkady Leokum<\/p>\n\n\n\n
Kho\u00e1ng ch\u1ea5t l\u00e0 th\u00e0nh ph\u1ea7n ho\u00e1 ch\u1ea5t hay h\u1ee3p ch\u1ea5t hi\u1ec7n di\u1ec7n trong t\u1ef1 nhi\u00ean trong \u0111\u1ea5t. Qu\u1eb7ng l\u00e0 m\u1ed9t \u201ckho ch\u1ee9a\u201d trong \u0111\u1ea5t, r\u1ea5t phong ph\u00fa v\u1ec1 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t n\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t v\u00f9ng m\u1ecf \u0111\u00e1ng gi\u00e1.<\/p>\n\n\n\n
Kh\u00f4ng ai bi\u1ebft ch\u00ednh x\u00e1c vi\u1ec7c khai m\u1ecf b\u1eaft \u0111\u1ea7u t\u1eeb bao gi\u1edd. M\u1ed9t trong nh\u1eefng vi\u1ec7c kinh doanh khai m\u1ecf s\u1edbm nh\u1ea5t \u0111\u01b0\u1ee3c ghi nh\u1eadn trong l\u1ecbch s\u1eed l\u00e0 cu\u1ed9c m\u1ea1o hi\u1ec3m c\u1ee7a ng\u01b0\u1eddi Ai C\u1eadp \u0111\u1ebfn b\u00e1n \u0111\u1ea3o Sinai v\u00e0o kho\u1ea3ng 2600 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean. Ng\u01b0\u1eddi Ai C\u1eadp \u0111\u1ebfn \u0111\u1ea5y \u0111\u1ec3 khai m\u1ecf lam ng\u1ecdc. Nh\u01b0ng h\u1ecd l\u1ea1i t\u00ecm \u0111\u01b0\u1ee3c v\u00e0 khai th\u00eam m\u1ed9t kho\u00e1ng ch\u1ea5t h\u1eefu d\u1ee5ng l\u00e0 \u0111\u1ed3ng.<\/p>\n\n\n\n
Ng\u01b0\u1eddi Hy L\u1ea1p c\u1ed5 \u0111\u1ea1i \u0111\u00e0o m\u1ecf b\u1ea1c trong khu m\u1ecf mi\u1ec1n nam Athens v\u00e0o n\u0103m 1400 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean. H\u1ecd ti\u1ebfp t\u1ee5c khai th\u00e1c m\u1ecf t\u1eeb n\u0103m 600 \u0111\u1ebfn 350 tr\u01b0\u1edbc C\u00f4ng nguy\u00ean. C\u00f3 nhi\u1ec1u n\u01a1i m\u1ecf \u0111\u00e0o s\u00e2u t\u1edbi 120m. V\u1ec1 sau nh\u1eefng kim lo\u1ea1i kh\u00e1c nh\u01b0 ch\u00ec, k\u1ebdm, s\u1eaft, c\u0169ng \u0111\u01b0\u1ee3c khai ngay t\u1ea1i nh\u1eefng m\u1ecf c\u0169 n\u00e0y.<\/p>\n\n\n\n
\u0110\u1ec3 cung c\u1ea5p cho \u0111\u1ebf qu\u1ed1c kh\u1ed5ng l\u1ed3, La M\u00e3 ph\u1ea3i khai th\u00e1c m\u1ecf tr\u00ean b\u00ecnh di\u1ec7n l\u1edbn. H\u1ecd c\u00f3 m\u1ecf kh\u1eafp n\u01a1i, t\u1eeb ch\u00e2u Phi \u0111\u1ebfn Anh qu\u1ed1c. V\u00f9ng m\u1ecf gi\u00e1 tr\u1ecb nh\u1ea5t c\u1ee7a La M\u00e3 l\u00e0 v\u00f9ng m\u1ecf Rio Tinto \u1edf T\u00e2y Ban Nha, \u0111\u00e3 cung c\u1ea5p nh\u1eefng l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3 v\u00e0ng, b\u1ea1c, \u0111\u1ed3ng, thi\u1ebfc v\u00e0 s\u1eaft.<\/p>\n\n\n\n
Vi\u1ec7c khai th\u00e1c m\u1ecf \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t chi\u1ebfn d\u1ecbch to\u00e0n di\u1ec7n v\u00e0o th\u1ebf k\u1ef7 18, khi cu\u1ed9c c\u00e1ch m\u1ea1ng c\u00f4ng nghi\u1ec7p \u0111ang tr\u00ean \u0111\u00e0 ph\u00e1t tri\u1ec3n. M\u1ed9t l\u01b0\u1ee3ng than \u0111\u00e1 kh\u1ed5ng l\u1ed3 c\u1ea7n cho vi\u1ec7c n\u1ea5u ch\u1ea3y s\u1eaft v\u00e0 \u0111\u1ed1t l\u00f2 cho c\u00e1c nh\u00e0 m\u00e1y. S\u1ef1 khai th\u00e1c m\u1ecf than c\u0169ng nhanh ch\u00f3ng b\u00e0nh tr\u01b0\u1edbng. S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a k\u1ef9 thu\u1eadt \u0111\u00e0o m\u1ecf hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 b\u1eaft ngu\u1ed3n t\u1eeb th\u1eddi b\u1ea5y gi\u1edd.<\/p>\n\n\n\n
\u1ede M\u1ef9, \u201cc\u01a1n s\u1ed1t v\u00e0ng\u201d \u0111\u00e3 \u0111\u1ea1t t\u1edbi \u0111\u1ec9nh cao c\u1ee7a n\u00f3 v\u00e0o th\u1ebf k\u1ef7 19. Cu\u1ed9c \u0111\u1ed5 x\u00f4 \u0111i t\u00ecm v\u00e0ng \u1edf Cali x\u1ea3y ra n\u0103m 1848. H\u01a1n 500 tri\u1ec7u \u0111\u00f4 la v\u00e0ng \u0111\u01b0\u1ee3c khai ph\u00e1 \u1edf m\u1ecf Cali trong v\u00f2ng 10 n\u0103m. N\u0103m 1896, cu\u1ed9c s\u0103n v\u00e0ng x\u1ea3y ra \u1edf Alaska v\u00e0 n\u0103m 1886, khu m\u1ecf v\u00e0ng gi\u00e0u nh\u1ea5t th\u1ebf gi\u1edbi \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 \u1edf Nam Phi. M\u1ecf kim c\u01b0\u01a1ng l\u1edbn nh\u1ea5t th\u1ebf gi\u1edbi c\u0169ng t\u00ecm th\u1ea5y \u1edf \u0111\u1ea5y n\u0103m 1870.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 9 – Arkady Leokum Kho\u00e1ng ch\u1ea5t l\u00e0 th\u00e0nh ph\u1ea7n ho\u00e1 ch\u1ea5t hay h\u1ee3p ch\u1ea5t hi\u1ec7n di\u1ec7n trong t\u1ef1 nhi\u00ean trong \u0111\u1ea5t. Qu\u1eb7ng l\u00e0 m\u1ed9t \u201ckho ch\u1ee9a\u201d trong \u0111\u1ea5t, r\u1ea5t phong ph\u00fa v\u1ec1 m\u1ed9t lo\u1ea1i kho\u00e1ng ch\u1ea5t n\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t v\u00f9ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-15573","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=15573"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15573\/revisions"}],"predecessor-version":[{"id":15574,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15573\/revisions\/15574"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}