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| So much time to remember, so much time to forget. |
The periods of geological time, from oldest to youngest, are as follows:
Ediacaran
-----Palaeozoic-----
Cambrian
Ordovician
Silurian
Devonian
Carboniferous
Permian
-----Mesozoic-----
Triassic
Jurassic
Cretaceous
-----Cainozoic-----
Palaeogene
Neogene
(OK, and the Quaternary too)
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| John Phillips, the British geologist who redefined the Palaeozoic, and coined the Mesozoic and Kainozoic. |
Students (and, indeed, many qualified geologists) have great difficulty remembering the correct order, so mnemonics are required. The best I can come up with that includes every period is:
Eating Chips On Sundays Doubles Calorie Points, Thus Jogging Can Prove Notably Queasy.
Alternatively:
Eating Crisps On Sunday Doubles Calorie Points, Though Juice Can Prove Nutritious.
[Add 'Quentin' to the end of either if you wish to remember the Quaternary.]
If you need only to remember the Palaeozoic periods, I suggest:
Cricket On Sundays Develops Catching Practice.
And, excluding the Ediacaran, and sticking only to Phanerozoic periods, I have a more provocative proposition:
Clearly Only Some Dimwit Could Possibly Think Jesus Christ's Pertinent Now [Quentin].
And if you can't remember the periods after all those suggestions, well you'll just have to come up with your own!
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