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The Polytechnic, Ijebu Igbo Ijebu Igbo, Ogun State, 2019/2020 HND FORM AND PART- - Ijebu-Ode
Sunday, 28 July 2019
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The Polytechnic, Ijebu Igbo Ijebu Igbo, Ogun State, 2019/2020 HND FORM AND PART-TIME FORM IS OUT CALL 08032802176 ND POST-UTME FORM is also on sale Call the Admin Office for Registration...
Diagram showing how dinosaur footprints are preserved in different deposits
Most trace fossils are known from marine deposits.[12] Essentially, there are two types of traces, either exogenic ones, which are made on the surface of the sediment (such as tracks) or endogenic ones, which are made within the layers of sediment (such as burrows).
Surface trails on sediment in shallow marine environments stand less chance of fossilization because they are subjected to wave and current action. Conditions in quiet, deep-water environments tend to be more favorable for preserving fine trace structures.
Diagram showing how dinosaur footprints are preserved in different deposits
Most trace fossils are known from marine deposits.[12] Essentially, there are two types of traces, either exogenic ones, which are made on the surface of the sediment (such as tracks) or endogenic ones, which are made within the layers of sediment (such as burrows).
Surface trails on sediment in shallow marine environments stand less chance of fossilization because they are subjected to wave and current action. Conditions in quiet, deep-water environments tend to be more favorable for preserving fine trace structures.
