fracture zone


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fracture zone

[′frak·shər ‚zōn]
(geology)
An elongate zone on the deep-sea floor that is of irregular topography and often separates regions of different depths; frequently crosses and displaces the mid-oceanic ridge by faulting.
References in periodicals archive ?
The Baikal Rift Zone, or fracture zone, is also special because it is located 3000km away from the nearest tectonic plate boundary.
Geological evolution and the tectonic relationship between the Owen Fracture Zone and the Gulf of Aden are of critical importance to the study of their sedimentations.
The most recent data show, for example, that the Eltanin fracture zone system in the South Pacific is much longer than previously thought, according to Marsh.
This fault and fracture zone is also the contact between Tertiary age strongly altered andesite and rhyolite flows which have been intruded by a dacite dike and cut by stockwork quartz veins and veinlets.
Its first contract for exploration for polymetallic nodules in the Clarion Clipperton Fracture Zone was signed in June 2001.
What's more, the researchers think they see evidence in fracture zone structure for global changes in plate motions every few million years.
In addition, a stockwork fracture zone which forms the footwall to the vein, assayed an average of 6.
Petuch thinks an asteroid hit near the Everglades' southern tip, creating the fracture zone and leading to the sedimentary patterns shown in the cross section above.
The licence will allow exploration for polymetallic nodules at a site within the Clarion-Clipperton Fracture Zone of the Pacific.
The application is sponsored by the Government of the Cook Islands, The area under application is the reserved area portion of the G-TEC Sea Mineral Resources NV claim area in the Clarion-Clipperton Fracture Zone of the Pacific Ocean approved in July 2012.
Two radioactive sources were identified in the area: the first consists of a low-grade fracture zone with a topographic low within 300 meters of the up-glacier advance direction.
These two new fracture zones are below the first fracture zone that was tested over a 72 hour test flowed at an average of 948 BOPD.