The articles in this category are geographic and topographical features.
“A caldera is a large (KM scale), bowl shaped crater created by a volcanic vent, or a collapse of...Caldera
“A Mid-ocean ridge (also known as Mid-oceanic ridge), is a ridge that forms in the middle of some...Mid-ocean ridge
“The Mantle is the second layer of the Earth. It is composed of the Upper Mantle and the Mantle...Mantle