Introduction To The Quaternary Flashcards

1
Q

How long is the future predicted lifespan of complex life on earth

A

1 billion years

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2
Q

How long ago did the quaternary begin

A

2.6 million years

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3
Q

One complete precision cycle takes how long

A

21,000 years

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4
Q

Sub fossil chironomids are commonly used to reconstruct what parameter

A

Mean summer temperature

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5
Q

What interglacial are we currently in

A

Holocene

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6
Q

What are erratics

A

Rock that differs in size and type from those in the area, often very large

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7
Q

What is till

A

Unsorted sediment, varieties of rocks and sizes

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8
Q

Catastrophism is based on the ideas of the..

A

Bible

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9
Q

Charles Lyell

A

The present is the key to the past

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10
Q

David Hume

A

The future will resemble the past

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11
Q

James Hutton

A

The past is the key to the future

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12
Q

Agassiz came up with what idea about the earths cycles

A

There were cyclical cycles in the earths history

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