An investigation on the relation between dolomitization and microfacieses of carbonate rocks in Lower Cretaceous in Gushfil (South west of Isfahan)

Dolomite units of study based on Petrography contains five groups very fine to finely crystalline anhedral dolomites, finely to medium crystalline euhedral dolomites, medium crystalline subhedral dolomites, medium to coarsely crystalline anhedral dolomites (saddle) and coarsely crystalline planar-C dolomites (cement dolomite). Studing on pervasive dolomitization express that dolomite sediment has been not happened in one stage but this phenomena has been happened in long time. MicroFacies of study based on white card contains: Ooid packstone/grainstone, milliolida mudstone/ wackstone, mudstone, mulluska mudstone/wackstone, orbitolina mudstone/wackstone, pelloid packstone/grainstone, ooid wackstone. These observations can explain that diagenesis in section of study has been act vastly.