File:Bedrock in Nilosyrtis Mensae.jpg
本预览的尺寸：606 × 599像素。 其他分辨率：243 × 240像素 | 485 × 480像素 | 777 × 768像素 | 1,035 × 1,024像素 | 2,007 × 1,985像素。
原始文件 （2,007 × 1,985像素，文件大小：1.86 MB，MIME类型：image/jpeg）
| 描述 |
English: The Color Palette of Nilosyrtis Mensae
ESP_028825_2070 Science Theme: Fluvial Processes The region of Mars north of the Syrtis Major volcanics and the Isidis impact basin has well-exposed bedrock with diverse compositions. These regions are dark so the colors aren't well seen except with a sensitive imager like HiRISE and special processing. The blue and green colors are generally due to mafic (magnesium and iron rich) minerals that are not altered by water, while the warmer colors are due to altered minerals like clays. The structure in this scene is quite complex from a combination of impact and perhaps fluvial and volcanic processes, tectonic faulting, and erosion. The terrain is very old and has experienced a complex geologic history. |
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| 来源 | http://hirise.lpl.arizona.edu/ESP_028825_2070 | |||||
| 作者 | NASA HiRISE camera, Mars Reconnaissance Orbiter. | |||||
| 授权 (二次使用本文件) |
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| 当前 | 2014年1月29日 (三) 04:29 | | 2,007 × 1,985（1.86 MB） | Tillman | {{Information |Description ={{en|1= The Color Palette of Nilosyrtis Mensae ESP_028825_2070 Science Theme: Fluvial Processes FrançaisDeutschEspañolGreekArabic HICLIP 720p (MP4) Listen to the text WALLPAPER 800 1024 1152 1280 1440 1... |
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