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Major fractures zones of the Atlantic can be seen on this ocean depth map Active Atlantic Ocean fracture zones are perpendicular to the mid-ocean ridges (black lines) in orange shaded region In the Atlantic Ocean most fracture zones originate from the Mid-Atlantic Ridge , which runs from north to south, and are therefore west to east oriented ...
A more definitive mapping of fracture zones, including many with no official name, or not meeting the criteria for inclusion on this map, based on the 2015 project of Wessel et al., [1] exists as of 2018. [2]. This page is used on multiple pages and has complex logic so any alteration should be checked as a minor typo can break display on ...
Print/export Download as PDF; ... Mendocino fracture zone: California, United States: Transform: ... 2020 Salt Lake City (M5.7) Wellington Fault >100:
This page was last edited on 20 September 2020, at 18:18 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The Charlie-Gibbs fracture zone consists of two fracture zones in the North Atlantic that extend for over 2,000 km (1,200 mi). These fracture zones displace the Mid-Atlantic Ridge a total of 350 km (220 mi) to the west. The section of the Mid-Atlantic Ridge between the two fracture zones is seismically active. [6]
Obduction zones occurs when the continental plate is pushed under the oceanic plate, but this is unusual as the relative densities of the tectonic plates favours subduction of the oceanic plate. This causes the oceanic plate to buckle and usually results in a new mid-ocean ridge forming and turning the obduction into subduction.
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Fracture zones, shear zones and igneous intrusions such as dykes can also be expressed as geomorphic lineaments. Lineaments are often apparent in geological or topographic maps and can appear obvious on aerial or satellite photographs. There are for example, several instances within Great Britain.