Theory of Continental Drift
Theory of Continental DriftTheory of Continental Drift
Theory of Continental Drift
Continental Drift
Continental DriftContinental Drift
Continental Drift
Alfred Wegener
1912
Theory that all landmasses were once joined: Pangaea
Evidence of Continental Drift
Evidence of Continental DriftEvidence of Continental Drift
Evidence of Continental Drift
Coastlines
Coasts of Africa and South America (among others)
match like puzzle pieces
Mountain Chains
Ancient mountain chains match up across continents
Coal Fields
Fields in Brazil match those in Africa
Glacial Deposits
Deposits of material from glaciers match in
Africa, India, South America, Australia and
Antarctica
Glacial Deposits
Found in tropical climates
Glacial Striations
Grooves carved by glaciers match up in
various continents
Climate changes
Deposits not fitting climate
Salt- too far from equator
Coral- non-tropical areas
Coal in cold, dry areas
