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地表進化

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HiRISE image illustrating Steno's law of superposition. The dark-toned lava flow overlies (is younger than) the light-toned terrain at right. The ejecta of the crater at centre overlies both units, indicating that the crater is younger than both units.

火星の地質学的歴史を解き明かす年代測定の手法

火星地質学地層累重の法則層序学
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