Duwatsu (geology)

duwatsu
Bayanai
Ƙaramin ɓangare na	natural material (en) da aggregate (en)
Kayan haɗi	rock forming minerals (en)
Karatun ta	petrology (en)
Has characteristic (en)	chemical composition (en) , texture (en) da permeability (en)
Hannun riga da	ƙasa

Duwatsu wasu halitu ne dunkulallalu da kuma daskararru da ake samu acikin kasa ko a wajenta. Mafi akasarin wadannan Duwasu suna dauke da ma'adanai bugu da kari masana kimiyya Geology, Geography da sauran sciencitists sun tabbatar da cewa duwatsu suna murmushewa su zama kasa bayan sun dauki lokaci mai tsawo weathering. An kasafta shi ta hanyar ma'adanai da aka haɗa, da sinadarinsa da yadda aka kafa shi. Duwatsu suna samar da dunƙule mai ƙarfi na duniya, ɓawon burodi, da mafi yawan abin cikinsa, ban da ruwa na waje da aljihun magma a cikin asthenosphere.

Yawancin lokaci ana rarrabe duwatsu zuwa manyan ƙungiyoyi uku: duwatsu masu ƙanƙara, duwatsu masu ɗimbin yawa da duwatsun metamorphi. Ana samun duwatsu masu ƙonewa lokacin da magma ta huce a cikin ɓawon duniya, ko lava ta huce a farfajiyar ƙasa ko cikin teku. Sedimentary kankara an kafa ta diagenesis ko lithification na sediments, wanda bi da bi aka kafa ta weathering, kai, da kuma shaida na data kasance kankara. An kafa duwatsun metamorphic lokacin da duwatsun da ake da su ke fuskantar irin wannan babban matsin lamba da yanayin zafi da ake canza su - wani abu da ke faruwa, misali, lokacin farantan nahiyoyi sun yi karo. ^{:31–33, 134–139}

Nazarin kimiyya na hali da asalin duwatsu da ake kiranta petrology, wanda shine mahimmin sashin ilimin geology .