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Drill rigs exploring for oil and gas use microfossils to determine what rock they are drilling through. Tiny microfossils such as foraminifera can be used to identify and date different layers of rock, providing crucial information in the search for new sources of petroleum.
Te whakamahi i tēnei tūemi
Reference: CN36369/20
by Lloyd Homer
Source: GNS New Zealand
Permission of GNS Science must be obtained before any use of this image.