Early Diagenesis Records and Pore Water Composition of Methane-Seep Sediments from the Southeast Hainan Basin, South China Sea

Figure 3

SEM images of authigenic minerals in sediments from the Southeast Hainan Basin.

(a) Authigenic carbonates, T1-4

(b) Authigenic dolomite (euhedral rhombus crystal), T1-38

(c) Aragonite assemblage, clay minerals with mycelium, T1-2

(d) Ball-shaped aragonite assemblage, T1-22

(e) Tabular Ca sulphate (authigenic), T1-30

(f) Authigenic Barite, T1-20

(g) Authigenic pyrite, T1-28

(h) Authigeni framibiodal pyrite, T-16