Story: Fossils

Fossil foraminifera

Fossil foraminifera

These photographs taken with an electron microscope show in remarkable detail the surface of three fossil foraminifers found in sediment. The two ball-like clusters are minute plankton that lived at the ocean surface. The flatter shell is a form that lived on the sea floor. When they die, the shells of plankton build up on the seabed and eventually form rocks such as limestone.

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How to cite this page:

Hamish Campbell, 'Fossils - Microfossils', Te Ara - the Encyclopedia of New Zealand, (accessed 14 July 2024)

Story by Hamish Campbell, published 12 Jun 2006