{
  "title": "Possible Clays near Margaritifer Chaos",
  "authors": "HiRISE",
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    "excerpt": "The existence of clay minerals is especially interesting on Mars since we want to know under what conditions these minerals formed."
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        "text": "HiPOD: 14 October 2020"
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        "text": "Possible Clays near Margaritifer Chaos"
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        "caption": "The existence of clay minerals is especially interesting on Mars since we want to know under what conditions these minerals formed. Less than 1 km across. (NASA/JPL/UArizona)",
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        "text": "<p><br />According to CRISM multispectral data, the exposures of light-toned materials (on small hills and between darker dunes) shows a strong iron-magnesium phyllosilicate (clay) signatures in this area. Phyllosilicates, or sheet silicates, are an important group of minerals that includes the micas, chlorite, serpentine, talc, and the clay minerals. (CRISM is a spectrometer also onboard the Mars Reconnaissance Orbiter.)<br /><br />The existence of clay minerals is especially interesting on Mars since we want to know under what conditions these minerals formed. Could it have been the presence of water?<br /></p>"
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        "caption": "A larger view of the scene. Less than 5 km across. (NASA/JPL/UArizona)",
        "URL": "https://static.uahirise.org/anews/2020-10-14/ESP_028288_1720-2.jpg"
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        "text": "<p><br />ID: <a href='https://uahirise.org/ESP_028288_1720'>ESP_028288_1720</a><br />date: 8 August 2012<br />altitude: 266 km<br /><br />NASA/JPL/UArizona</a></p>"
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        "text": "Enhanced color is less than 1 km across; black and white is less than 5 km. For full images with scalebars, see the above ID link to our website.<br /><br />"
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