Table 2 Lithology classes in the study area.

From: Impact of soil erosion on agricultural sustainability based on crop water productivity in semi-arid Iran

Code

Lithology

Geological age

TRJa.bv

Andesitic to basaltic volcanic

Early-Middle.Triassic

Jf

Flysch turbidities, sandstone, shale, conglomerate, volcanic rocks and limestone

Jurassic

om3

Pelagic limestone, radiolarian chert and shale in association with basalt

Late.Cretaceous

E2m

Pale red marl, gypsiferous marl and limestone

Eocene

Edvt

Rhyolitic to rhyodacitic volcanic tuff

Eocene

Ea.bvt

Andesitic to basaltic volcanic tuff

Eocene

Ogr-di

Granite to diorite

Oligocene

Qft2

Low level piedmont fan and valley terrace deposits

Quaternary

Qcf

Clay flat

Quaternary

Qft2

Low level piedment fan and valley terrace deposits

Quaternary