Earth's crust
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Icono_aviso_borrar.png/80px-Icono_aviso_borrar.png)
Ƙunƙarar ƙasa shine harsashi na waje mai kauri, yana nufin ƙasa da 1% na radius da girma na taurari. Shi ne babban bangaren lithosphere, rabe-raben shimfidar duniya wanda ya hada da ɓawon burodi da ɓangaren sama na alkyabbar. Lithosphere ya karye zuwa faranti na tectonic wanda motsi ya ba da damar zafi ya tsere daga cikin duniya zuwa sararin samaniya.[1]