| タイトル | The stratigraphy of Mars |
| 著者（英） | Tanaka, Kenneth L. |
| 著者所属（英） | Geological Survey |
| 発行日 | 1986-11-30 |
| 言語 | eng |
| 内容記述 | A global stratigraphy of Mars was developed from a global geologic map series derived from Viking images; the stratigraphy is composed of three maps. A new chronostratigraphic classification system which consists of lower, middle, and upper Noachian, Hesperian, and Amazonian systems is described. The crater-density boundaries of the chronostratigraphic units and the absolute ages of the Martian epochs aer estimated. The relative ages of major geologic units and featues are calculated and analyzed. The geologic history of Mars is summarized on the maps in terms of epochs. |
| NASA分類 | LUNAR AND PLANETARY EXPLORATION |
| レポートNO | 87A25660 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/379681 |
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