Ara | Period | Formation | Code | Lithology | Area covered | |
---|---|---|---|---|---|---|
 | (KM2) | % | ||||
Paleozoic | Up-Pre. Cambrian | KAHAR | PEK | Salty shale, sandstone, minor dolomite, quartzite | 148.33 | 14.64 |
Cambrian | SOLTANIEH | PEe | Thick bedded to massive light-colored dolomite, locally with chert bands | 53.64 | 5.30 | |
 | BARUT | Eb | Micaceous variegated siltstone and shale, cherty dolomite intercalations | 8.8 | 0.87 | |
 | LALUN | E1 | Red arkosic sandstone | 19.77 | 1.95 | |
Ordovician | MILA | O1 | Sandstone, shale, limestone, marl phosphatic layers | 2.08 | 0.21 | |
Carboniferous | MOBARAKL | CM | Black limestone, dolomitic limestone, marl intercalations | 80.38 | 7.94 | |
Permian | DORUD | Pd | Sandstone, shale, limestone intercalatoins, quartzite, siltstone | 26.93 | 2.66 | |
 | PV | Basic flows, pyroclastics, sandstone | 0.99 | 0.10 | ||
 | RUTEH | Pr | Fusulina limestone, dolomitic limestone | 43.97 | 4.34 | |
 | NESEN | Pn | Cherty limestone, marly limestone, marl and sandy shale | 3.88 | 0.38 | |
Mesozoic | Triassic | ELIKA | TRem | Thin-bedded limestone, calcareous shale, quartzitic sandstone | 2.77 | 0.27 |
 | TRdc | Massive dolomite | 36.04 | 3.56 | ||
 | SHEMSHAK | TR3JS | Shale, sandstone, siltstone, claystone, quartzite, conglomerate, locally limestone intercalations: coal seams and lenses | 179.45 | 15.28 | |
Jurassic | Â | |||||
 | LAR | J1 | Limestone, locally dolomitic limestone | 8.35 | 0.82 | |
Cretaceous | TIZ_KUH | K1 | Orbitolina limestone (Apian - Cenomanian) | 31.09 | 3.06 | |
 | CHALUS | K11 | Limestone (Berriasian - Valanginian) | 2.04 | 0.20 | |
 | Kv21 | Alkali basalt, spilitic basalt conglomerate, tuff braccia, tuff | 71.05 | 6.07 | ||
 | KV22 | Trachyandesitic basalt, tuff breccia, pyroclastics, tuffite | 41.58 | 4.10 | ||
 | K12 | Globotruncana limestone, marl limestone | 69.77 | 6.89 | ||
 |  | KM2 | Marl, calcareous marl, marly limestone | 51.11 | 5.05 | |
 |  | K1M2 | Alternations of limestone and marl | 33.06 | 3.26 | |
Cenozoic | Tertiary | Â | P1Q | Conglomerate, sandstone, siltstone, siltymarl | 28.28 | 2.74 |
Quaternary | Â | Q | Undifferentiated young & old alluvial fans, traces, colluvium, residual soils, fill valley sediments lake deposits | 90.81 | 8.90 | |
 |  | Q1 | Landslide and rock stream | 11.48 | 1.13 | |
 | river and lake | Water body, terraces, colluvium, residual soil | 2.80 | 0.27 | ||
 | total | 1048.45 | 100.00 |