The Greenhouse Effect and Global Warming - Air Pollution and Global Warming: History, Science, and Solutions - page 280

LAURASIA

Equator Equator

TETHYS
SEA

PERMIAN
225 million years ago

TRIASSIC
200 million years ago

(a) (b)

Equator Equator

JURASSIC
150 million years ago

CRETACEOUS
65 million years ago

(c) (d)

NORTH
AMERICA

ASIA

INDIA

AFRICA

Equator

SOUTH
AMERICA

AUSTRALIA

ANTARCTICA

PRESENT DAY

(e)

Figure 12.17. Configuration of the continents (a) 225 m.y.a., (b) 200 m.y.a., (c) 150 m.y.a., (d) 65 m.y.a., and
(e) today. From Kious and Tilling (1996). http://pubs.usgs.gov/gip/dynamic/historical.html.