In essence, it is the largest terrestrial planet, but is smaller and less massive than any of the gas/ice giants of the Outer Solar System.
And with a mean density of 5.514 g/cm³, it is the densest planet in the Solar System.
Simply stated, each bed in a sequence of sedimentary rocks (or layered volcanic rocks) is younger than the bed below it and older than the bed above it.
This law follows two basic assumptions: (1) the beds were originally deposited near horizontal, and (2) the beds were not overturned after their deposition.
But the most remarkable thing about our planet is its diversity.
Not only are there an endless array of plants, animals, avians, insects and mammals, but they exist in every terrestrial environment.
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(Nom file)Swiss Alps Jungfrau-Aletsch: Im Tertiär fand eine Hebung und Abtragung der aufliegenden Sedimente statt.
to have undergone two distinct cycles of volcanic activity in the Permian.
Since then cycles of erosion and rejuvenation have been at work and there are high cliffs of red porphyry, rhyoliths and basaltic pillars, considerably eroded by wave action.
(AB ev)Purnululu National Park: The sandstone formation of the Bungle Bungle ranges is estimated to be 350 million years old, give or take a few millions.
Like the reefs at the Geikie and Windjana gorges the range was formed during the Devonian period.