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Card 6

Front

1950s

Back

Preview of the front of card 6

Card 7

Front

1960

Back

Preview of the front of card 7

Card 8

Front

1963

Back

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Card 9

Front

Mid 1960s

Back

Preview of the front of card 9

Card 10

Front

Earlier 1968

Back

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Card 11

Front

Later 1968

Back

Preview of the front of card 11

Card 12

Front

Mid 1970s

Back

Preview of the front of card 12

Card 13

Front

What is the Beinoff Zone?

Back

Preview of the front of card 13

Card 14

Front

What is palaeomagnetism?

Back

Preview of the front of card 14

Card 15

Front

What is seafloor spreading?

Back

Preview of the front of card 15
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