Pedestal Craters

Some articles on craters, crater, pedestal craters, pedestal crater:

Arabia Quadrangle - 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 ...
Arabia Quadrangle - Layers
... A recent study of layers in craters in western Arabia revealed much about the history of the layers ... Although the craters in this study are just outside the boundary for the Arabia quadrangle the findings would probably apply to the Arabia quadrangle as well ... The thickness of each layer may average less than 4 meters in one crater, but 20 meters in another ...
Tikhonravov (crater) - Pedestal Craters
... Some craters in Tikhonravov are classified as pedestal craters ... A pedestal crater is a crater with its ejecta sitting above the surrounding terrain ... They form when an impact crater ejects material which forms an erosion resistant layer, thus causing the immediate area to erode more slowly than the rest of the region ...

Famous quotes containing the words craters and/or pedestal:

    We must all stop dying in the little ways,
    in the craters of hate,
    in the potholes of indifference....
    Anne Sexton (1928–1974)

    ... the sentimentalist ... exclaims: “Would you have a woman step down from her pedestal in order to enter practical life?” Yes! A thousand times, yes! If we can really find, after a careful search, any women mounted upon pedestals, we should willingly ask them to step down in order that they may meet and help to uplift their sisters. Freedom and justice for all are infinitely more to be desired than pedestals for a few.
    Bertha Honore Potter Palmer (1849–1918)