Fig. 4

Triangular QFL plot showing framework composition of sandstones from Jhumara, Jhuran Formation and Bhuj Formations, respectively. Q = Total quartzose grains, including monocrystalline (Qm) and polycrystalline (Qp) varieties; F = Total feldspar grains; L = Total unstable lithic fragments. Field boundaries are after Dickinson et al. 1983