دانلود مقاله ISI انگلیسی شماره 157094
کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
157094 2018 51 صفحه PDF سفارش دهید 13336 کلمه
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عنوان انگلیسی
Sequence stratigraphy on an early wet Mars
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Planetary and Space Science, Volume 151, February 2018, Pages 97-108

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چکیده انگلیسی

The evolution of Mars as a water-bearing body is of considerable interest for the understanding of its early history and evolution. The principles of terrestrial sequence stratigraphy provide a useful conceptual framework to hypothesize about the stratigraphic history of the planets northern plains. We present a model based on the hypothesized presence of an early ocean and the accumulation of lowland sediments eroded from highland terrain during the time of the valley networks and later outflow channels. Ancient, global environmental changes, induced by a progressively cooling climate would have led to a protracted loss of surface and near surface water from low-latitudes and eventual cold-trapping at higher latitudes -- resulting in a unique and prolonged, perpetual forced regression within basins and lowland depositional environments. The Messinian Salinity Crisis (MSC) serves as a potential terrestrial analogue of the depositional and environmental consequences relating to the progressive removal of large standing bodies of water. We suggest that the evolution of similar conditions on Mars would have led to the emplacement of diagnostic sequences of deposits and regional scale unconformities, consistent with intermittent resurfacing of the northern plains and the progressive loss of an early ocean by the end of the Hesperian era.

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