mid-ocean rift

mid-ocean rift

[′mid¦ō·shən ′rift]
(geology)
References in periodicals archive ?
Caption: Abyssal hills, which run parallel to the mid-ocean rift (yellow, center) in this seafloor map, formed when lower sea levels led to large magma outpourings at mid-ocean ridges.
Only the largest of these quakes are detectable by seismic stations on land, but they are part of a continuous mountain building process along the 50,000-kilometer-long mid-ocean rift that circles the globe.