Noachian epoch

Noachian epoch
The earliest of the Martian geologic epochs, approximately from 3,800 million years ago to 3,500 million years ago, marked by many large impact craters and followed by the Hesperian epoch.

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  • Noachian — MOLA colorized relief map of Noachis Terra, the type area for the Noachian System. Note the superficial resemblance to the lunar highlands. Colors indicate elevation, with red highest and blue violet lowest. The blue feature at bottom right is… …   Wikipedia

  • Hesperian epoch — noun The second of the three Martian geologic epochs, approximately from 3,500 million years ago to 1,800 million years ago, marked by lava flows, preceded by the Noachian epoch, and followed by the Amazonian epoch …   Wiktionary

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  • Argyre Planitia — MarsGeo Crater caption=Topography of Argyre basin and its surroundings name=Argyre latitude=49.7 N or S=S longitude=316.0 E or W=E eponym=Argyre diameter=1800 km depth=5.2 kmArgyre Planitia is a plain located in the Argyre impact basin in the… …   Wikipedia

  • Noachis Terra — A crater in Noachis Terra. The dunes here are linear, thought to be due to shifting wind directions. Noachis Terra (lit. Land of Noah ) is an extensive southern landmass (terra) of the planet Mars. It lies west of the giant Hellas impact basin,… …   Wikipedia

  • Eridania Lake — is a theorized ancient lake on Mars with a surface area of roughly 1.1 million square kilometers. It is located at the source of the Ma adim Vallis outflow channel. [cite journal| journal=Science| month= 21 June| year= 2002| volume=296| issue=… …   Wikipedia

  • Daedalia Planum — Coordinates …   Wikipedia

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