Mid-ocean ridges are geologically active, with new magma constantly emerging onto the ocean floor and into the crust at and near rifts along the ridge axes. The crystallized magma forms new crust of basalt (known as MORB for mid-ocean ridge basalt) and gabbro.he rocks making up the crust below the seafloor are youngest at the axis of the ridge and age with increasing distance from that axis. New magma of basalt composition emerges at and near the axis because of decompression melting in the underlying Earth's mantle.
Both Range Rovers and Land Rovers are makes of vehicles made by Land Rover. Range Rovers have more of the premium segment, and Land Rovers are more of the utilitarian SUV segment. Both are models produced by the Jaguar Land Rover organization.
For more details of the vehicle's development between 1948 and 1985, see Land Rover Series. Land Rover is a car brand that specialises in four-wheel-drive vehicles, owned by British multinational car manufacturer Jaguar Land Rover, which has been owned by India's Tata Motors since 2008. The Land Rover is regarded as a British icon, and was granted a Royal Warrant by King George VI in 1951.