Specimens of oldest rocks on Earth. Selection of specimens of the oldest known rocks found on Earth. At centre (one specimen halved) are volcanic ash

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Specimens of oldest rocks on Earth. Selection of specimens of the oldest known rocks found on Earth. At centre (one specimen halved) are volcanic ash pebbles from Greenland, dating from around billion years ago. At left is a banded iron formation (typically more than billion years old). At right is a sample of Amitsoq gneiss (typically billion years old).

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Size: 3575px × 2445px
Photo credit: © NATURAL HISTORY MUSEUM, LONDON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: britain, british, cornwall, display, england, english, europe, european, exhibit, galena, geological, geology, herodsfoot, historical, history, kingdom, london, mineral, mineralogy, museum, natural, specimen, uk, united