Gravity spreading

A three-stage model for the formation of Heart Mountain, Wyoming, by a catastrophic spreading event.

An image showing the Thaumasia Plateau on Mars, with thrust faults (thick red), normal faults (yellow), wrinkle ridges (thin red) and dykes (green).

Gravity spreading is the phenomenon in which a geological body laterally extends and vertically contracts, in order to reduce its gravitational potential energy. It has been observed on many different scales, and at numerous locations on Earth, from rhyolite lava flows to passive margins. Additionally, gravity spreading is thought to have occurred on both Mars and Venus.

单词	Gravity spreading
释义	Gravity spreading 英语百科 Gravity spreading Gravity spreading is the phenomenon in which a geological body laterally extends and vertically contracts, in order to reduce its gravitational potential energy. It has been observed on many different scales, and at numerous locations on Earth, from rhyolite lava flows to passive margins. Additionally, gravity spreading is thought to have occurred on both Mars and Venus.
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