Alluvial soil
Red soil
Black soil
Laterite soil
Accreting plate margin
Intra plate zone
Conserving plate margin
Consuming plate margin
D. Whittlesey
L.D. Stamp
J.E. Spencer
H.Bobek
Ethiopia
Colombia
India
Brazil
Mogadishu
Johannes burg
Dar-es-salaam
Ankara
Diabatic process
Adiabatic process
Convergence of air
Ascent of Air
Subaerial earthquakes
Cyclones
Tides
Submarine earthquakes
Abidjan
Havana
Georgia
Santiago
France
Canada
U.S.A.
Chernozem
Regur
Podsol
Chestnut