granite: The granite rock formations are very characteristic.
a very hard, grey, pink, or black rock, used for building.
limestone: The landscape is formed by limestone and has a variety of vegetation types.
a white or light grey rock that is used as a building material and in the making of cement.
marble: I see this marble going down the hallway.
a type of very hard rock that has a pattern of lines going through it, feels cold, and can be polished to become smooth and shiny