Mineral veins were found at a site called 'Garden City ' on Mount Sharp . They formed in Mars ' watery past above the now eroded , softer bedrock . The vein is about 100 feet long and 10 to 20 ft wide with an average thickness of 1 - 2 inches per foot ( depending upon how deep you dig ).
Mineral veins were found at a site called 'Garden City ' on Mount Sharp . They formed in Mars ' watery past above the now eroded , softer bedrock . Two-toned minerals were created from two wet periods on the red planet .