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Fig. 3 | Journal of Palaeogeography

Fig. 3

From: Petrography of Middle Jurassic to Early Cretaceous sandstones in the Kutch Basin, western India: Implications on provenance and basin evolution

Fig. 3

Triangular QFL plot showing compositions of sandstones in Jhumara, Jhuran and Bhuj Formations, respectively. Q = Total quartzose grains, including monocrystalline (Qm) and polycrystalline (Qp) varieties; F = Total feldspar grains; RF = Total unstable rock fragments. Field boundaries are taken from Folk’s classification of sandstones (Folk 1974)

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