Kugwiritsa Ntchito Migodi Kutengera ndi Zakumalo
Miyala ndi zinthu zachilengedwe zomwe zimapangidwa kudzera mu njira za geology kwa zaka mamiliyoni ambiri. Kugawidwa kwawo sikufanana, koma kumadalira momwe malo ndi mbiri ya mapangidwe a miyala m'derali zimakhalira. Chifukwa chake, kugwiritsidwa ntchito kwa mchere kumadalira kwambiri "zomwe zili m'derali" - mwachitsanzo, mtundu wa miyala, kapangidwe ka tectonic, zochitika za mapiri, nyengo, ndi njira zosinthira nyengo zomwe zimapanga ndikuyika mchere wina. Kumvetsetsa ubale pakati pa malo ndi zomwe zili m'migodi ndikofunikira kwambiri pakukonzekera chitukuko chokhazikika, mafakitale, kasamalidwe ka mphamvu, ndi kasamalidwe ka chilengedwe.
1. N’chifukwa chiyani kuchuluka kwa mchere m’nthaka kumakhudzidwa ndi malo okhala?
Mwa geology, mchere nthawi zambiri umapangidwa kudzera m'njira zingapo zazikulu: magma crystallization, kusintha kwa kutentha chifukwa cha kuthamanga kwamphamvu ndi kutentha, mvula kuchokera ku hydrothermal solutions, ndi sedimentation padziko lapansi. Njira iliyonseyi imagwirizana kwambiri ndi malo ndi mawonekedwe a malo a dera. Madera omwe ali m'mphepete mwa mapiri a volcano nthawi zambiri amakhala ndi mchere wambiri wachitsulo (monga golide ndi mkuwa), pomwe ma sedimentary basin ali ndi kuthekera kwakukulu kopanga malasha, mafuta, kapena mchere wa mafakitale monga gypsum ndi limestone. Madera a m'mphepete mwa nyanja ndi nyanja zosaya kwambiri amatha kukhala ndi mchenga wamchere (monga ilmenite ndi rutile) kapena mchere.
Motero, kugwiritsa ntchito bwino mchere kuyenera kuganizira mamapu a malo osungiramo zinthu, kugawa kwa malo osungiramo zinthu, kupezeka kwa malo osungiramo zinthu, komanso zotsatira za chilengedwe ndi chikhalidwe cha anthu.
2. Malamba a Ziphalaphala: Magwero a Zitsulo Zamtengo Wapatali
Madera omwe ali m'maboma a mapiri ophulika—malo ophulika akale komanso othamanga—nthawi zambiri amakhala malo ofunikira kwambiri a mchere wachitsulo. Njira zamagetsi ndi kutentha kwa madzi zimatha kuyambitsa njira zodzaza ndi zitsulo zomwe zimapangitsa kuti miyala isweke. Zotsatira zake zimakhala miyala yamtengo wapatali kwambiri.
Zitsanzo za mchere zomwe zimapezeka kwambiri m'malo ophulika mapiri:
– Golide (Au) ndi siliva (Ag): nthawi zambiri zimagwirizanitsidwa ndi machitidwe a epithermal.
– Mkuwa (Cu) ndi molybdenum (Mo): zimapezeka zambiri m'mabowo a porphyry.
– Sulfure (S): imawonekera mozungulira ma crank ndi malo ophulika a mapiri.
Ntchito zake zazikulu:
- Golide ndi siliva zimagwiritsidwa ntchito popanga zodzikongoletsera, ndalama, zamagetsi, ndi zinthu zolondola.
– Mkuwa ndi wofunikira pa mawaya amagetsi, ma mota amagetsi, zida zamagetsi, komanso zomangamanga.
– Molybdenum imagwiritsidwa ntchito ngati aloyi yachitsulo kuti iwonjezere kutentha ndi kukana dzimbiri.
– Sulfure imagwiritsidwa ntchito m'mafakitale opangira feteleza, mankhwala ndi rabara.
Komabe, migodi m'madera ophulika mapiri nthawi zambiri imachitika m'madera amapiri okhala ndi malo otsetsereka komanso zoopsa za masoka (kugwa kwa nthaka ndi kuphulika kwa mapiri). Chifukwa chake, kukonzekera migodi kumafuna kuchepetsa zoopsa komanso kuyang'anira bwino zachilengedwe.
3. Madera a Mapiri Opindidwa ndi Madera Ogundana: Mineral Metamorphic ndi Complex Deposits
Mapiri opangidwa ndi kugundana kwa ma tectonic plates (orogenesis) kapena kupindika kwa miyala nthawi zambiri amakhala ndi mchere wosinthika komanso zitsulo zina. Kupanikizika kwakukulu ndi kutentha kumatha kusintha miyala kukhala miyala yosinthika monga marble, slate, ndi quartzite.
Miyala/migodi yomwe imagwirizana nthawi zambiri:
– Marble (yochokera ku miyala ya limestone yosinthika)
– Graphite (kuchokera ku kusintha kwa zinthu zokhala ndi kaboni wambiri)
– Miyala ina yamtengo wapatali (monga safiro, ma garnet) m'malo enaake a dziko lapansi
Ntchito zake zazikulu:
- Marble wa pansi, makoma, zokongoletsera nyumba ndi ziboliboli.
- Chidutswa cha denga kapena zinthu zomangira mkati.
- Graphite ya batri, mafuta odzola, mapensulo ndi mafakitale oletsa kuuma.
- Miyala yamtengo wapatali yopangira zodzikongoletsera ndi zinthu zamtengo wapatali.
Popeza mapiri opindika nthawi zambiri amakhala malo osungira madzi ndipo ali ndi zamoyo zambiri , njira zogwirira ntchito zamigodi ziyenera kuganizira za kuteteza magwero a madzi, kuchepetsa kukokoloka kwa nthaka, komanso kukonzanso malo pambuyo pa migodi.
4. Chitsime cha Madzi Ochokera ku Zinyalala: Mphamvu ndi Miyala Yam'mafakitale
Denga la sedimentary ndi malo omwe zinthu zimasonkhanitsidwa chifukwa cha mvula ndi kukokoloka kwa nthaka. Magawo okhuthala komanso olemera m'nthaka amatha kupereka mphamvu monga malasha, mafuta, ndi gasi, komanso mchere wa m'mafakitale womwe umagwiritsidwa ntchito popanga zinthu.
Zinthu zomwe zimapezeka m'mabowo a sedimentary:
– Malasha (zotsatira za kusintha kwa zinthu zachilengedwe)
– Mafuta ndi gasi wachilengedwe (kuchokera ku zinthu zachilengedwe zomwe zagwidwa)
- Limestone ndi dolomite
- Gypsum ndi dongo
Ntchito zake zazikulu:
– Malasha opangira magetsi ndi makampani opanga simenti/zitsulo (ngakhale kuti izi tsopano zikuchepa kwambiri chifukwa cha mpweya woipa).
- Mafuta ndi gasi pa mphamvu, mankhwala a petrochemical, mapulasitiki ndi mayendedwe.
– Mwala wa laimu ngati chinthu chopangira simenti, laimu waulimi, galasi ndi makampani opanga mapepala.
- Dongo la zoumbaumba, njerwa ndi zinthu zomangira.
- Gypsum ya gypsum board, simenti, ndi zipangizo zomangira.
Mabowo okhala ndi zinyalala nthawi zambiri amakhala malo okhala anthu kapena alimi, zomwe zimapangitsa kuti mikangano ya malo, kuipitsa madzi, ndi kusintha kwa malo zikhale nkhani zofunika kwambiri. Oyang'anira ayenera kuyang'ana kwambiri za momwe chilengedwe chimakhudzira , kuteteza madzi apansi panthaka, ndi kukonza mapulani a malo.
5. Madera a M'mphepete mwa Nyanja ndi Nyanja Zosaya: Mchenga wa Mineral ndi Mchere
Madera a m'mphepete mwa nyanja amakumana ndi mafunde amphamvu komanso mafunde omwe amatha kuyika mchere wolemera mumchenga. Kuphatikiza apo, kuuma kwa madzi a m'nyanja m'madera ena kumapanga mchere ndi mchere wina wouma.
Michere yodziwika bwino:
– Ilmenite, rutile, zircon (mchere wolemera mumchenga wa m'mphepete mwa nyanja)
– Mchere (NaCl), komanso mchere wa evaporite pansi pa mikhalidwe inayake
Ntchito zake zazikulu:
– Rutile ndi ilmenite ndi magwero a titaniyamu yopangira utoto, mapepala, mapulasitiki, ndi zinthu zosagwira dzimbiri.
- Zircon imagwiritsidwa ntchito m'mafakitale a ceramics, foundry, ndi refractory.
– Mchere wogwiritsidwa ntchito, wosungidwa, makampani opanga mankhwala (chlorine, caustic soda), ndi mankhwala.
Kugwiritsa ntchito mchere wa m'mphepete mwa nyanja kumafuna kuganizira za zoopsa zomwe zingachitike chifukwa cha kusweka, kuwonongeka kwa zachilengedwe za m'nkhalango , komanso kusokoneza malo okhala zomera za m'nyanja. Kukumba mchenga mosalamulirika kungapangitse kuti gombe likhale losatetezeka ku mafunde komanso kukwera kwa madzi a m'nyanja.
6. Madera Otentha Omwe Ali ndi Nyengo Yambiri: Nickel Laterite ndi Bauxite
M'madera otentha omwe mvula imagwa kwambiri komanso kutentha kotentha, kusintha kwa mankhwala kumachitika kwambiri. Izi zimatha kupanga malo osungira a laterite—dothi lokhala ndi iron ndi aluminiyamu yambiri—lomwe nthawi zambiri limakhala ndi nickel ndi bauxite (aluminium ore).
Ntchito zake zazikulu:
- Nickel ya chitsulo chosapanga dzimbiri, zitsulo zosungunulira, ndi mabatire amagetsi a magalimoto.
– Aluminiyamu (yochokera ku bauxite) yomangira, yonyamulira, yolongedza, ndi ya zingwe.
Popeza malo osungiramo zinthu zakale amapezeka pafupi ndi pamwamba, migodi nthawi zambiri imachitika pogwiritsa ntchito migodi yotseguka, yomwe ingathe kusintha kwambiri malo. Kukonzanso nthaka, kuyang'anira zinyalala, komanso kupewa kuipitsa mitsinje n'kofunika kwambiri.
7. Mfundo Zogwiritsira Ntchito Miyala Mosatha
Kugwiritsa ntchito mchere kutengera malo omwe uli kumafuna zambiri osati kungoganizira kumene mcherewo uli, komanso kuganizira zotsatira za kuchotsedwa. Mfundo zina zofunika ndi izi:
1. Kufufuza kochokera ku deta: kugwiritsa ntchito mapu a geology, geochemical, ndi geophysical kuti achepetse kuyeretsa nthaka kosafunikira.
2. Kugwiritsa ntchito bwino ntchito yochotsa zinthu: kuwonjezera kubweza zinthu kuti muchepetse zinyalala.
3. Kukonza zinthu mosamala: kuwongolera malo otayira zinthu, kutulutsa madzi m'migodi ya asidi, ndi kutulutsa mpweya woipa.
4. Kutsika kwa mtengo ndi phindu lowonjezera la m'deralo: kulimbikitsa makampani opanga zinthu kuti awonjezere phindu la zachuma m'madera opanga zinthu.
5. Kubwezeretsa nthaka ndi kuigwiritsa ntchito pambuyo pa migodi: kubwezeretsa ntchito ya nthaka, kusunga zamoyo zosiyanasiyana, ndi kubwezeretsa nthaka yokhazikika.
6. Chilungamo ndi ulamuliro wa anthu: kuwonekera poyera kwa zilolezo, kutenga nawo mbali kwa anthu ammudzi, ndi kuteteza ufulu wa malo.
Kutseka
Kuchuluka kwa mchere m'derali kumasonyeza momwe zinthu zilili komanso momwe zinthu zilili m'derali. Ma lamba a mapiri amatulutsa zitsulo zamtengo wapatali, malo osungiramo zinthu zakale ndi malo osungiramo mphamvu ndi mchere wa mafakitale, madera a m'mphepete mwa nyanja ali ndi mchenga wamchere ndi mchere, pomwe madera otentha ali ndi miyala yambiri ya laterite monga nickel ndi bauxite. Pomvetsetsa ubale umenewu, kugwiritsa ntchito mchere kungakhale koyenera, kothandiza, komanso kodalirika. Pomaliza pake, cholinga chachikulu sikungopeza zinthu zokha , koma kuonetsetsa kuti mchere umapereka phindu la zachuma komanso la anthu popanda kuwononga mphamvu yonyamula zachilengedwe ya mibadwo yamtsogolo.
