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#485605
Wed 09 Jan 2019 12:14:PM
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Joined: Feb 2001
Posts: 381,903
Launch Director
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Joined: Feb 2001
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Abstract: The occurrence of extensive valley networks and layered deposits of phyllosilicates and sulfates during the late Noachian/Hesperian periods (approx. 3-4 Gyrs) indicates a past martian climate that was capable of maintaining liquid water at the surface. The planet’s climate drastically changed after these early “episodes” of water to a drier and colder environment during the Amazonian period (past 3.0 Gyrs). The objective of this paper is to describe aqueous alteration/weathering scenarios on ... Source: Aqueous Alteration on Mars
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Aqueous Alteration on Mars
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