Pioneers Of Plate Tectonics ๐Ÿ˜Š Flashcards

1
Q

Order of pioneers (earliest to latest)

A
  1. Alfred Wegner
  2. Harry Hess
  3. Vine and Matthews
  4. Wilson
  5. McKenzie
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What did Wegner propose?

Did he have evidence to support it?

A

Theory of continental drift
5 pieces of evidence:

  • Jigsaw fit
  • Tectonic fit
  • Fossil evidence
  • Geological fit
  • Glacial deposits
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What did Harry Hess propose?

What helped support his theory?

A

โ€˜Sea floor spreadingโ€™ and ocean ridges

He used wegners theory of continental drift to support him

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What did Vine and Matthews do?

A

Provided evidence for โ€˜sea floor spreadingโ€™- paeleomagnetism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What did Wilson discover?

A

Identified that hotspots could be found in the mantle and plates moved over the top of them to eventually create volcanic island chains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What theory did McKenzie introduce?

A

โ€˜Theory of Plate tectonicsโ€™ using previous work of geologists

How well did you know this?
1
Not at all
2
3
4
5
Perfectly