Sentences with phrase «ancient ice deposits»
From there they could control a fleet of robotic explorers and investigate the composition of ancient ice deposits in the forever - dark craters of the Aitken basin.
https://www.scientificamerican.com/ Not exact matches
«Some of the observed features included ancient river beds, craters, massive extinct volcanoes, canyons, layered polar deposits, evidence of wind - driven deposition and erosion of sediments, weather fronts, ice clouds, localized dust storms, morning fogs and more,» NASA wrote in a summary of the mission.
The latter events left behind distinctive rock - sequences typically consisting of tillites (ancient boulder - clay, now solid rock) representing ice - deposited debris, overlain with a depositional break by cap - carbonates (chemical sediments of marine origin deposited during interglacials following global sea - level rises).
the calling - card of an ancient ice - age - an outcrop in Namibia of ancient (Proterozoic) glaciogenic sediments, overlain by a dolomitic «cap - carbonate» sequence of marine origin, deposited in warmer post-glacial conditions.
above: the calling - card of an ancient ice - age - an outcrop in Namibia of an ancient (Proterozoic) tillite of glacial origin, overlain by a dolomitic «cap - carbonate» sequence of marine origin, deposited in warmer post-glacial conditions.
The latter events left behind distinctive rock - sequences typically consisting of tillites (ancient boulder - clay, now solid rock) representing ice - deposited debris, overlain with a depositional break by cap - carbonates, chemical sediments of marine origin deposited during interglacials following global sea - level rises.