Cumulative Volume of Water Required to Carve the Noachian Valley
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چکیده
benefited from the helpful comments of Tim Goudge. 1325.pdf 46th Lunar and Planetary Science Conference (2015)
منابع مشابه
Fluvial Volumes , Timescales , and Intermittency in Milna Crater , Mars
Introduction: Ancient lake deposits and valley networks on Mars provide strong evidence that its surface was once modified by liquid water [1,2,3,4,5], but the extent of that modification is still debated. Ancient lacustrine deposits in Milna Crater (23.4 S, 12.3 W; Fig. 1) provide insight into the timescale and fluid volume required to construct fluvially derived sedimentary deposits near the ...
متن کاملFluvial Volumes , Timescales , and Intermittency in Milna Crater
Introduction: Ancient lake deposits and valley networks on Mars provide strong evidence that its surface was once modified by liquid water [1,2,3,4,5], but the extent of that modification is still debated. Ancient lacustrine deposits in Milna Crater (23.4 S, 12.3 W; Fig. 1) provide insight into the timescale and fluid volume required to construct fluvially derived sedimentary deposits near the ...
متن کاملThe timing of martian valley network activity: Constraints from buffered crater counting
Valley networks, concentrations of dendritic channels that often suggest widespread pluvial and fluvial activity, have been cited as indicators that the climate of Mars differed significantly in the past from the present hyperarid cold desert conditions. Some researchers suggest that the change in climate was abrupt, while others favor a much more gradual transition. Thus, the precise timing of...
متن کاملGeomorphology of Ma’adim Vallis, Mars, and associated paleolake basins
[1] Ma’adim Vallis, one of the largest valleys in the Martian highlands, appears to have originated by catastrophic overflow of a large paleolake located south of the valley heads. Ma’adim Vallis debouched to Gusev crater, 900 km to the north, the landing site for the Spirit Mars Exploration Rover. Support for the paleolake overflow hypothesis comes from the following characteristics: (1) With ...
متن کاملGeologic history of Mars
a r t i c l e i n f o Mars accumulated and differentiated into crust, mantle and core within a few tens of millions of years of Solar System formation. Formation of Hellas, which has been adopted as the base of the Noachian period, is estimated to have occurred around 4.1 to 3.8 Gyr ago, depending on whether or not the planet experienced a late cataclysm. Little is known of the pre-Noachian per...
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تاریخ انتشار 2015