Fig. 4: Ternary diagrams of A-CN-K for the Haojiagou. | Nature Communications

Fig. 4: Ternary diagrams of A-CN-K for the Haojiagou.

From: Intensified continental chemical weathering and carbon-cycle perturbations linked to volcanism during the Triassic–Jurassic transition

Fig. 4

(a) and Qilixia (b) sections. Purple and blue symbols represent samples from intensely chemically weathered (ICW) and background intervals, respectively. The green arrows represent weathering trends. A = Al2O3, CN = CaO* + Na2O, K = K2O; Chl chlorite, Gi gibbsite, Kao kaolinite, Kfs K-feldspar, Sm smectite. Other details as in Supplementary Figs. 2 and 3. Source data are provided as a Source Data file.

Back to article page