Air & Space Magazine Mars Jarosite In this image from the Mars Reconnaissance Orbiter’s HiRISE camera, the whitish areas are likely jarosite, a potassium and iron hydrous sulfate, mineral deposits typically found near volcanic vents. NASA/JPL-Caltech/Univ. of Arizona June 17, 2016 ShareCopy linkEmailSMSFacebookXRedditLinkedInBlueskyPrintAdd as preferred source You Might Also Like Ares 3 Habitat Site June 29, 2015 Blue Martian Dunes April 18, 2016 Cyanide—Poison or Bringer of Life? July 23, 2019 Don Lopez (1923-2008) March 1, 2008 Lockheed’s Mom May 10, 2013 Get the latest stories in your inbox every weekday. Email Powered by Salesforce Marketing Cloud (Privacy Notice / Terms & Conditions)