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Mistastin Lake, Newfoundland and Labrador, Canada

Target Name:  Earth
Spacecraft:  Space Shuttle
Produced by:  NASA/LPI

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NameTypeWidth x HeightSize
mistastn.gifGIF812 x 580392K

Location55°53'N, 63°18'W
Rim diameter28 kilometers (17.4 miles)
Age38 +- 4 million years

This shuttle image shows a winter view of the Mistastin Crater, a heavily eroded complex structure. Eastward moving glaciers have drastically reduced the surface expression of this structure, removing most of the impact melt sheet and breccias and exposing the crater floor. Glacial erosion has also imparted an eastward elongation to the crater that is particularly evident in the shape of the lake that occupies the central 10 kilometers (6 miles) of the structure. Horseshoe Island, in the center of the lake, is part of the central uplift and contains shocked Precambrian crystalline target rocks. Just beyond the margins of the lake are vestiges of the impact melt sheet that contains evidence of meteoritic features in quartz, feldspar and diaplectic glasses.

Copyright © 1995-2016 by Calvin J. Hamilton. All rights reserved.