50.0 MB (3.4 MB compressed)
4465 x 3913 pixels
37.8 x 33.0 cm ⏐ 14.9 x 13.0 in (300dpi)
NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Tillite. Tillites are the consolidated remains of the rock fragments and powder that are left behind as a glacier melts and retreats. This specimen is from Kimberley, South Africa.
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