Orhan, Hükmü2020-03-262020-03-261992Orhan, H., (1992). Importance of Dust Storms in the Diagenesis of Sandstones: A Case Study, Entrada Sandstone in the Ghost Ranch Area, New Mexico, USA. Sedimentary Geology, 77, 111-122.0037-0738https://dx.doi.org/10.1016/0037-0738(92)90106-2https://hdl.handle.net/20.500.12395/16140The importance of dust storms on geological processes has only been studied recently. Case-hardening, desert-varnish formation, duricrust development, reddening and cementation of sediments and caliche formation, are some important geological processes related to dust storms. Dust storms can also be a major source for cements in aeolian sandstones. The Jurassic aeolian Entrada Formation in the Ghost Ranch area is composed of quartz with minor amounts of feldspar and rock fragments, and is cemented with smectite as grain coatings and calcite and kaolinite as pore fillings. Smectite shows a crinkly and honeycomb-like morphology which points to an authigenic origin. The absence of smectite as framework grains and the presence of partially dissolved grains, coated with smectite and smectite egg-shells, indicate an external source. Clay and fine silt-size particles are believed to be the major source for cements, smectite and calcite in the Entrada Formation. The common association of kaolinite with altered feldspar, and the absence of kaolinite in spots heavily cemented with calcite, lead to the conclusions that the kaolinite formation postdates carbonates and that framework feldspar grains were the source of kaolinite.en10.1016/0037-0738(92)90106-2info:eu-repo/semantics/closedAccessArticle7701.02.2020111122Q1WOS:A1992HW47100007N/A