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	Class: a Source: 10409 Comment: Most bright and most dark area are close together. If the black was created by a water-soil reaction, the bright area could be salt evaporites from the vaporized water. One crater is active watering, the two others inactive at the moment

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	Class: a Source: 8804 Comment: like above, the active crater is perhaps deeper than the inactive one close by.

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	Class: a X Source: 9203 Comment: The white streak could be evaporite accumulation from a water flow from the rim, or from vaporized water droplets blown out from the crater interior.

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Class: a Source: fha00674 Comment: The colorization can hardly be impact-related because all of Mars is covered by dust after some time. A violent water blowout from the two big craters would explain why the small ones show no black excess outside their rim. Different colors of ejecta of the two craters indicate different age of last event. The near uniformity of darkness may indicate that the ejecta were created by a single event .

1.1 - 5
	Class: a X Source: SP126203 Comment: White streaks could be evaporite or a chemical reaction of the soil with the salty water. Different salts in the water could cause different reactions.

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	Class: a Source: sp235103 Comment: White area, black diffuse (airborne transport) streaks together with evaporites at center crater rim. (Size 50% of original)

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	Class: a Source: sp240803 Comment: Hills at sources of sharp fine (left lower edge) and large diffuse black streaks. Explanation could be ground flow of water and airborne transport of droplets or crystals.

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Class: a Source: sp245904 Comment: North polar region (73°N) black streaks with assumed dunes. Other parts of the image show few circular craters with same black/bright structures. Therfore another possibility is that we see the remains of old craters. The left part of the rim was accumulated by still active evaporite sources. The bright right part is the leeward where the airborne droplets hit the ground again. A line from the leftward bulge of the bright rim to the center is about the same direction as the black streak and therefore like the prevailing wind direction. A flow along this line gets more turbulent and could transport droplets less far than the other lines crossing the wall. If that interpretation holds true, the whole area is covered by an evaporite layer.

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	Class: a Source: sp248404 Comment: Defrosting of north polar (79.6° N) dunes creates fractal black cracks, sometimes also diffuse black area. Release of water vapor suported by pressure from below?

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	Class: s Source: sp249004 Comment: Black streaks together with fractal cracks in defrosting north polar (80.3°N) dunes.

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	Class: a Source: sp249306 Comment: North pole (85°N) area like above