Aeolis Quadrangle - Other Craters

Other Craters

Impact craters generally have a rim with ejecta around them, in contrast volcanic craters usually do not have a rim or ejecta deposits. As craters get larger (greater than 10 km in diameter) they usually have a central peak. The peak is caused by a rebound of the crater floor following the impact. Sometimes craters will display layers. Since the collision that produces a crater is like a powerful explosion, rocks from deep underground are tossed unto the surface. Hence, craters can show us what lies deep under the surface.

• Boeddicker Crater Floor, as seen by HiRISE.

• Central uplift of an Unnamed crater on the floor of Molesworth Crater, as seen by HiRISE. Dark sand dunes are on left side of image. The scale bar is 500 meters long.

• Reuyl Crater Central Peak, as seen by HiRISE.

• Galdakao Crater,as seen by HiRISE. Click on image to see Dark Slope Streaks.

• Layers in crater wall, as seen by HiRISE under HiWish program. Area in box is enlarged in the next image.

• Enlargement from previous image, showing many thin layers. Note that the layers do not seem to be formed from rocks. They may be all that is left of a deposit that once filled the crater. Image was taken with HiRISE, under HiWish program.