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.
When BMW bought the Rover group in 1994, they split Land Rover from Rover, then sold Land Rover to Ford in 2000. They remained different companies until Ford bought Range Rover in 2006. Now theyâre both part of Jaguar Land Rover, which is owned by Tata motors, maker of the worldâs cheapest car.