Relative dating of fossils and rocks

The rejection of the validity of fossils and of dating by religious fundamentalists creates a problem for them: Fossil sequences were recognized and established in their broad outlines long before Charles Darwin had even thought of evolution.

New discoveries have filled in the gaps, and shown us in unimaginable detail the shape of the great ‘tree of life’.

Right: A Discovering Fossils participant with a pyritised ammonite Left: A worn beach pebble containing jumbled fragments of crinoid stems, found on the foreshore beneath Black Ven.

Right: A crushed ammonite from the Shales-with-Beef Member, found on the foreshore beneath Black Ven.

This is an informational tour in which students gain a basic understanding of geologic time, the evidence for events in Earth’s history, relative and absolute dating techniques, and the significance of the Geologic Time Scale.

Left: A Discovering Fossils participant holding a rolled foreshore pebble containing several partial ammonite shells, found beneath Black Ven.

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