Introduction To The Quaternary Flashcards
How long is the future predicted lifespan of complex life on earth
1 billion years
How long ago did the quaternary begin
2.6 million years
One complete precision cycle takes how long
21,000 years
Sub fossil chironomids are commonly used to reconstruct what parameter
Mean summer temperature
What interglacial are we currently in
Holocene
What are erratics
Rock that differs in size and type from those in the area, often very large
What is till
Unsorted sediment, varieties of rocks and sizes
Catastrophism is based on the ideas of the..
Bible
Charles Lyell
The present is the key to the past
David Hume
The future will resemble the past
James Hutton
The past is the key to the future
Agassiz came up with what idea about the earths cycles
There were cyclical cycles in the earths history