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Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

The sedimentary history of Mars is important to understanding climate change and the evolution of Mars. Sedimentary rocks consist of fine particles carried by the atmosphere and/or water and deposited ...

New images of the surface of Mars have revealed numerous layered outcrops similar to sedimentary rocks on Earth, strongly suggesting that liquid water was present on Mars at an early stage in its ...