Our scientists have been looking for a rock that formed so long ago it was on Earth before complex life lived on land. Called Lewisian gneiss, it’s the oldest rock in the UK. It’s found in the ...

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During the breeding season, a male Gentoo penguin will methodically search for the smoothest, most perfect pebble he can find. He presents this pebble to his desired mate as a token of his affection.

The source area was probably a vast, deeply eroded, cratonic, quartz-rich granodioritic terrain consisting of gneiss, granite, and metasediments ... contains an important unit to discriminate possible ...

For many, it is a geological wonderland, covered in sandstone, gneiss, schist ... Shell Beach, and Pebble Beach. An ...

Observed at 11:00, Sunday 20 October BBC Weather in association with MeteoGroup, external All times are Pacific Daylight Time (America/Los_Angeles, GMT-7) unless otherwise stated.

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