Research Article

Diagenesis and Origination of Carbonate Cements in Deeply Buried Sandstones of the Eocene Es3 Member, Raoyang Sag, Bohai Bay Basin, China

Figure 6

Representative clay fraction XRD spectra of the Es3 sandstone reservoirs in Raoyang Sag. Kao: kaolinite; Ilt: illite; I/S: illite/smectite; Chl: chlorite.