Dome -

In architecture, a dome is a hemispherical structure evolved from the arch, typically forming a ceiling or roof [12].

In nature, a geologic dome is a curved formation created when magma pushes up surface rock layers without breaking through [10]. In architecture, a dome is a hemispherical structure

: These can form as "laccoliths," where hardened magma creates a triangle or dome shape between sedimentary rock layers [10]. In architecture, a dome is a hemispherical structure