Tags: Crater.
Glinka is a pit-floored crater on Mercury which was discovered in 1974 by Mariner 10 spacecraft. Its floor is covered by the smooth plain material and displays a kidney-shaped collapse feature which is also called a central pit. The size of the pit which was first noticed in MESSENGER images obtained in January 2008 is 20 × 8.5 km. It is surrounded by a bright pyroclastic deposit. Such a feature may have resulted from collapse of a magma chamber underlying the central part of the crater.
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