Definition of submarine fracture zone in English English dictionary
Long, narrow, and mountainous submarine lineation that generally separates ocean-floor ridges differing in depth by as much as 1 mi (1.6 km). The largest fracture zones, in the eastern Pacific, are more than 1,000 mi (1,600 km) long and 60-125 mi (100-200 km) wide. Numerous shorter fracture zones in the Atlantic are associated with the Mid-Atlantic Ridge