The Cenozoic Flashcards
What 3 periods sub divide the Cenozoic?
The Paleogene, Neogene, and Quaternary.
What is the mnemonic used to remember the epochs which divide the Cenozoic?
Perhaps Early Oiling May Prevent Pain (H)
Which epochs subdivide the Cenozoic?
Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, Holocene
What possible epoch may follow the Holocene?
The anthropocene
What is the time frame of the Cenozoic era?
65Ma to Present day
What orogeny occurs in the Cenozoic period? What is its impact on Britain?
Alpine Orogeny, very minimal direct impact on Britain
Does the world cool or heat up overall in the Cenozoic?
Cools, but not steadily, ice caps form at both poles.
Where is Cenozoic outcrop mostly seen?
South East, London
What effect on Britain does the expansion of the Atlantic ocean have?
Fold structures on the South Coast and dyke formation across Britain.
Although continents have stayed mostly the same, what major effects did continental movement in the Cenozoic period have? (not on Britain)
New current flow between continents such as Antarctic circumpolar current - causing Antarctic cooling.
What rock types are seen from the Cenozoic period?
Very few, mostly clays such as London clay. Most quaternary material has not formed rock yet.
What was the primary driver of geological change in the quaternary period? How do we know?
Glaciation, records of glaciers are formed from studying oxygen isotopes.
