Samfurori na Dutsen Metamorphic Nau'in 24

24 Nau'in / akwatin, girman kwalin 39.5x23x4.5cm

Dangane da asalinsu, ana raba duwatsu zuwa gida uku: duwatsu masu kamala (mauƙan duwatsu), duwatsu masu ƙyalƙyali da duwatsu masu kama da juna. A cikin dukkanin ɓawon burodin, duwatsu masu banƙyama suna da kimanin kashi 95%, duwatsun da ke ƙasa da ƙasa da 5%, kuma duwatsun metamorphic sune mafi ƙarancin. Koyaya, a bangarori daban-daban, rabon rarraba nau'ikan duwatsu uku sun bambanta sosai. 75% na duwatsun da ke saman ƙasa duwatsu ne masu ƙayatarwa, kuma 25% ne kawai na duwatsu masu ƙyalƙyali. Mafi zurfin nisa daga farfajiyar, ya fi daɗaɗaɗɗun duwatsu masu banƙyama. Babban ɓawon burodi da babban alkyabbar an haɗa shi da duwatsu masu banƙyama da duwatsu masu kama da juna. Duwatsun duwatsu na Igneous sun kai 64.7% na dukkanin murfin murfin, duwatsun metamorphic sun kai 27.4%, kuma duwatsun da ke kwance kaso 7.9%. Daga cikin su, basalt da gabbro suna lissafin 65.7% na dukkan duwatsu masu haske, kuma dutse da sauran duwatsu masu haske suna da kusan 34%.
Bambanci tsakanin waɗannan nau'ikan duwatsu uku bai cika ba. Kamar yadda ma'adinai ke canzawa, dukiyoyinsu suma zasu canza. Yayinda lokaci da yanayi ke canzawa, zasu rikide zuwa wasu duwatsu na wani yanayi