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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
"No potential tsunami due to an earthquake in Owen Fracture Zone Region at 16:33 Muscat," it said.
The Khisor Range front is the latest and dynamic frontal fracture zone of the northwestern Himalaya where deformation proceeds in the course of southward progression.
Among these was basaltic volcanism spread on both sides of the fracture zone during the Late Neogene and Pleistocene.
In this case, the AE signal patterns were measured in the early stages of testing and as the fracture zone approached, at applied stress levels of 45, 50, 55 and 60% of UTS with a loading of 60.97, 67.75, 74.52 and 81.30 MPa, respectively.
Therefore, in this study, the most vulnerable area, the tunnel vault fracture zone, which is located under the Yangaotuo karst funnel and above the [2.sup.#] and [3.sup.#] subterranean rivers, was chosen as the key study area (Figures 2 and 3).
When a deep-buried tunnel passes through the fault fracture zone, water inrush easily occurs.
Finally, it will have four zones around the borehole that is elastic zone, peak plastic zone, softening zone, and fracture zone. Meanwhile, the radius of peak plastic, softening, and fracture zones are, respectively, denoted as [R.sub.3], [R.sub.2], and [R.sub.1].
Irrespective of the direction in which a specimen was cut out, central fracture zone is of cleavage nature with characteristic river-like relief; see Figures 21(b) and 23(b).
Cobalt, gold and nickel mineralisation is hosted within a fracture zone in diabase approximately 18 inches in width.
Maximal specimen failures have taken place nearby one of the clamps of the testing machine; this area is the fracture zone in the Specimen #1 (Figs.