FORMATION

LITHOLOGY

AGE

Amri

Schistose phyllites with granite

Lower Palaeozoic to Precambrian?

...........................................Amri Thrust.............................................................

Lower Bijni

Quartzites, boulder slate, gritty quartzites and sandy limestones

Permian to Late Carboniferous

..............................................Garhwal Thrust.......................................................

Subathu

Intercalated bands of grey, green and purple shales, grey sandstones, and lenses of limestones and brownish shell marls

Early Eocene to Upper Palaeocene

Tal

Interbedded greenish, reddish shales and compact sandy limestones becoming oolitic and shelly near top

Early Palaeocene to Cretaceous

Krol

Dolomitic grey limestones and grey, green and red shales

Cretaceous?

Jurrasic to Early Paleozoic

.................................................Krol Thrust.............................................................

Siwalik Group

Compact micaceous sandstones and interbedded greenish and reddish shales

Pliocene to Middle miocene