Minority Business. Development Agency. Mission Statement. The Minority Business Development Agency is an entrepreneurially-focused and innovative organization, committed to minority business enterprise and wealth creation.
Freebase (5.00 / 1 vote) Rate this definition: Mid-ocean ridge. A mid-ocean ridge is a general term for an underwater mountain system that consists of various mountain ranges, typically having a valley known as a rift running along its spine, formed by plate tectonics.
Mid-ocean ridges such as the Mid-Atlantic Ridge are places in the Earth's system of tectonic plates where new crust forms and the plates move away from one another.Powered by magma rising and falling in the mantle, these undersea mountain ranges are formed by numerous eruptions of basalt lava along their length.lay The Earth's plates. Iain Stewart explains how the Earth's crust is divided. Dr Iain Stewart visits the Mid-Atlantic Ridge in Thingvellir, Iceland, a place where it's possible to see the divide between two of the Earth's plates on land.