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- Geological_history_of_Mars abstract "The geological history of Mars is the branch of the geology of Mars that describes the history of Mars in terms of its geology.Much of a planet's history can be deciphered by looking at its surface and asking what came first and what came next. For example, a lava flow that spreads out and fills a large impact crater is clearly younger than the crater, and a small crater on top of the same lava flow is younger than both the lava and the larger crater. This principle, called the law of superposition, and other principles of stratigraphy, first formulated by Nicholas Steno in the 17th century, allowed geologists of the 19th century to divide the history of the Earth into the familiar eras of Paleozoic, Mesozoic, and Cenozoic. The same methodology was later applied to the Moon and then to Mars.Another stratigraphic principle used on planets where impact craters are well preserved is that of crater number density. The number of craters greater than a given size per unit surface area (usually million km2) provides a relative age for that surface. Heavily cratered surfaces are old, and sparsely cratered surfaces are young. Old surfaces have a lot of big craters, and young surfaces have mostly small craters or none at all.These stratigraphic concepts form the basis for the Martian geologic timescale.".
- Geological_history_of_Mars thumbnail Lava_flow_and_crater_ejecta.JPG?width=300.
- Geological_history_of_Mars wikiPageID "34298991".
- Geological_history_of_Mars wikiPageRevisionID "600988984".
- Geological_history_of_Mars hasPhotoCollection Geological_history_of_Mars.
- Geological_history_of_Mars subject Category:Articles_which_contain_graphical_timelines.
- Geological_history_of_Mars subject Category:Geology_of_Mars.
- Geological_history_of_Mars subject Category:Mars_timelines.
- Geological_history_of_Mars comment "The geological history of Mars is the branch of the geology of Mars that describes the history of Mars in terms of its geology.Much of a planet's history can be deciphered by looking at its surface and asking what came first and what came next. For example, a lava flow that spreads out and fills a large impact crater is clearly younger than the crater, and a small crater on top of the same lava flow is younger than both the lava and the larger crater.".
- Geological_history_of_Mars label "Geological history of Mars".
- Geological_history_of_Mars sameAs Stratigrafie_Marsu.
- Geological_history_of_Mars sameAs m.0h_9j0r.
- Geological_history_of_Mars sameAs Q12056539.
- Geological_history_of_Mars sameAs Q12056539.
- Geological_history_of_Mars wasDerivedFrom Geological_history_of_Mars?oldid=600988984.
- Geological_history_of_Mars depiction Lava_flow_and_crater_ejecta.JPG.
- Geological_history_of_Mars isPrimaryTopicOf Geological_history_of_Mars.
