M'madera ambiri padziko lapansi, ndizotheka kumangidwa ndi mwala wachilengedwe wapadera. Mphamvu yamiyala yachilengedwe imasiyana kuchuluka kwa mitundu yamiyala; Pali mwala wachilengedwe woyenerera pafupifupi nyumba iliyonse yolimbikitsa. Sizikhala yoyaka ndipo sizimakhala zopanda ulemu, kapena kuthira zokutira. Miyala ndi yosangalatsa ndipo aliyense ndi wapadera. Chifukwa cha mitundu ingapo, kapangidwe ndi mawonekedwe, opanga mamangidwe nthawi zonse amavutika kupanga chisankho. Chifukwa chake, chinthu choyambirira chosiyanitsa, njira za chitukuko, mikhalidwe yakuthupi, zitsanzo zogwiritsira ntchito ziyenera kumvetsedwa.
Mwala wachilengedwe umagawidwa m'magulu atatu kutengera zaka zake komanso momwe unapangidwira:
1. Thanthwe la Magma-tac:
Mwachitsanzo, Granite ndi thanthwe lokhazikika lomwe limapanga magulu akale kwambiri achilengedwe, opangidwa ndi madzi a LAVA, ndi zina zambiri. Granite wakale kwambiri omwe amapezeka mu Meteorites kuti asankhe 4.53 biliyoni zaka zapitazo.
2. Zodzikongoletsera, monga miyala yamtengo wapatali ndi sandstone (yotchedwanso miyala ya sedanda):
Adachokera ku Era yaposachedwa kwambiri, wopangidwa kuchokera kunyanja kapena m'madzi. Miyala yamiyala yambiri imakhala yofewa kwambiri kuposa miyala ya igneous. Komabe, ma deefero omwe adayikanso ku China chakamodzinso zaka 600 zapitazo.
3. Miyala ya metamorphic, monga slable kapena marble.
Zimaphatikizapo mitundu yamiyala yopangidwa ndi miyala yopanda miyala yomwe yasinthasintha. Mitundu yathanthwe ili m'badwo waposachedwa kwambiri. Slate amapanga pafupifupi 3.5 mpaka 400 miliyoni zaka zapitazo.
Marble ali mwala wa metamorphic lopangidwa mchere wa carbonati, womwe umapezeka kapena dolomite.in quogle, mawu a Marbley amatanthauza miyala yazitsulo zambiri. Nthawi zambiri marble amagwiritsidwa ntchito mu chosema komanso zomangamanga. Marble amakopa chidwi cha ogula omwe ali ndi mawonekedwe ake okongola komanso mawonekedwe othandiza. Zosiyana ndi miyala ina yomanga, kapangidwe kalikonse kosiyana. Ndi mawonekedwe otukwana ndi osalala ndi osalala, okhazikika, owala komanso atsopano, omwe amakubweretsani maphwando owoneka ngati mapulogalamu osiyanasiyana. Zofewa, zokongola, zokongola komanso zokongola, ndi zinthu zabwino zokongoletsa nyumba zapamwamba zapamwamba, komanso zinthu zachikhalidwe zosefedwa za Artist.
Pambuyo pa chaka cha 2000, migodi yogwira kwambiri inali ku Asia.Sespecal Centerry Yachilengedwe ya China yayamba msanga kuyambira kusintha ndikutsegulira. Malinga ndi mtundu wopukutira wa opukutidwa, marled omwe amapangidwa ku China amatha kugawidwa mndandanda 7: oyera, obiriwira, osungirako imvi, komanso mitundu yambiri, ndipo mitundu yambiri imakhala pakati pa dziko lapansi. Malinga ndi ziwerengero zosakwanira, pali mitundu ya mitundu 400 ya marble aku China akufufuzidwa mpaka pano.
Monga mmodzi wa kampani yoyamba yapadera ku China, mwala wa ayezi ndi amodzi mwazinthu zazikulu komanso zaukadaulo zachilengedwe ku Shooti. Tikugwira ntchito moona mtima kuti tikuyimira marble a Chitchaina ndikubweretsa dziko lapansi la anthu achi China monga momwe zimapangidwira ku China ".
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