geologic timescales造句

• The obliquity ( axial tilt ) of Mars varies considerably on geologic timescales, and has a strong impact on planetary climate conditions.
• However, we would burn really really well, which is speculated to be one of the feedbacks that limits oxygen levels on geologic timescales.
• :: . . . and the modern Mediterranean Sea and its shorelines are a quite recent feature on geologic timescales-see Zanclean flood . talk ) 10 : 11, 30 April 2011 ( UTC)
• A "'canyon "'( Spanish : ca耋n ) or "'gorge "'is a deep cleft between escarpments or cliffs resulting from the erosive activity of a river over geologic timescales.
• In order to characterize the geodynamic regime of an Earth-like exoplanet, the basic assumption is made that such a planet is core, a silicate mantle that convects over geologic timescales, and a relatively cold, brittle silicate lithosphere.