magnetic inclination Flashcards
1
Q
how is magnetic inclination used as evidence for continental drift
A
palaeolattitude is at 0 degrees at equator or 90 degrees at poles
continents separate when polar wandering curves are different
2
Q
evidence for continental drift in rock type
A
rocks of same AGE/COMPOSITION/TYPE found on seperate continents
desert sandstone found in UK
glacial landforms found in tropical areas
3
Q
likley origin on earths magnetic field
A
LIQUID IRON OUTER CORE
acts as a dynamo
4
Q
earths magnetic feild
A
S to N
