Trough (geology)
In geology, a trough refers to a linear depression that extends in one direction over a distance. It is less steep than a trench. A trough can be a narrow basin or a geologic rift. There are various oceanic troughs, troughs found under oceans; examples include the rifts along the mid-ocean ridges.
![](../I/NASA_Radar_3-D_View_of_San_Andreas_Fault.jpg.webp)
Much of the San Andreas Fault is lined by a trough. This false-colour radar image shows a section of the fault west of San Francisco Bay
![](../I/Okinawa_trough_topographic.png.webp)
Okinawa Trough, north of Ryukyu Islands
![](../I/Trough_xbed_mcr1.JPG.webp)
Trough cross-bedding in the Waddens Cove Formation (Pennsylvanian), Sydney Basin, Nova Scotia.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.