HiRISE | New Captioned Images for 23 May 2012

Updated: 23 MAY 2012

	Breccia with Large Clasts In this beautiful image there appears to be a breccia layer, or a layer composed of rock fragments embedded in a finer material.
	In the Transition Zone Erosion and the formation of small scarps reveal a multitude of layers within the subsurface.
	A Trough within Ladon Basin This trough, and others around the perimeter of the basin, were probably produced during the gradual sinking of the materials here.
	Expanded Craters on Icy Terrain One interpretation of the expanded craters is that a group of small impacts, probably secondary craters from a much larger primary crater, exposed the clean, shallow ice in this region.

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