Iisampulu zeMetamorphic Rock 24 Iintlobo

E42.1526

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Iindidi ezingama-24 / ibhokisi, ubungakanani bebhokisi 39.5x23x4.5cm

Ngokwe-genesis yabo, amatye ahlukaniswe kakhulu ngokwamacandelo amathathu: amatye anegneous (i-magmatic rocks), amatye e-sedimentary kunye ne-metamorphic rock. Kuwo wonke amaqhekeza, iigneous rocks account for 95%, sedimentary rocks account for less than 5%, and metamorphic rocks are the least. Nangona kunjalo, kwimigangatho eyahlukeneyo, umlinganiso wokusasazwa kweentlobo ezintathu zamatye zahluka kakhulu. Iipesenti ezingama-75 zamatye phezu komhlaba ngamatye axhonyiweyo, kwaye ngama-25% kuphela amatye angenanto. Ubunzulu bomgama ukusuka kumphezulu womhlaba, kokukhona igneous kunye namatye e-metamorphic. Uqweqwe olunzulu nengubo ephezulu ubukhulu becala yenziwe ngamatye anegne kunye namatye e-metamorphic. Amatye e-Igneous enza i-64.7% yevolthi yonke, amatye e-metamorphic enza i-27.4%, kwaye amatye e-sedimentary enza i-7.9%. Phakathi kwazo, i-basalt kunye ne-gabbro zenza i-65.7% yawo onke amatye ane-igneous, kunye ne-granite kunye namanye amatye anemibala ekhanyayo malunga ne-34%.
Umahluko phakathi kwezi ntlobo zintathu zamatye awuphelelanga. Njengokutshintsha kwezimbiwa, iipropathi zabo ziya kutshintsha. Njengokuba ixesha kunye nokusingqongileyo ziguquka, ziya kuguquka zibe ngamatye kolunye uhlobo


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