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Table 5 Representative analysis of garnet from sandstones of Jhuran Formation calculated on the basis of 12 oxygen atoms

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

Sample no. M-6 U-4 U-6 MP-2
Dataset/Point 6/1 9/1 70/1 73/1 74/1 79/1 80/1 81/1 82/1 86/1 90/1 1/1 35/1 4/1 7/1 10/1 22/1 35/1 49/1
SiO2 37.6 68.2 39.6 37.2 38.3 38.6 36.2 42.6 38.1 38.7 39.4 38.6 39.5 35.5 37.3 32.4 38.3 36.6 36.0
TiO2 0.0 0.0 0.1 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 0.1 0.0 0.0
Al2O3 21.1 20.2 22.3 21.4 21.7 21.9 20.5 24.0 21.4 21.4 21.5 21.5 22.0 20.4 21.4 15.7 21.8 20.6 20.8
Fe2O3 30.2 0.1 32.1 36.6 35.0 34.0 40.8 29.4 36.2 36.2 31.2 35.5 27.9 42.9 37.2 24.1 32.8 40.8 42.0
MnO 0.4 0.0 0.9 0.9 0.6 1.1 3.0 0.4 2.9 0.7 0.9 0.9 1.1 1.1 0.8 0.3 0.6 1.7 2.6
MgO 9.6 0.0 9.0 6.2 5.6 7.7 2.4 11.7 5.3 6.2 7.1 6.5 11.0 2.8 6.4 8.0 9.1 3.5 2.9
CaO 2.2 0.0 1.7 1.7 3.9 1.6 1.2 1.1 1.1 2.2 4.5 1.8 1.4 1.2 1.5 0.1 1.1 1.2 0.7
Na2O 0.0 1.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0
K2O 0.0 14.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 0.0 0.0 0.0
P2O5 0.0 0.3 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.1 0.0 0.0 0.0 0.0
Total 101.1 104.5 105.7 104.1 105.1 105.0 104.1 109.2 105.0 105.5 104.6 104.8 10 104.1 104.7 92.6 103.8 104.4 105.0
Si 2.8 4.5 2.8 2.7 2.7 2.7 2.7 2.8 2.7 2.8 2.8 3.0 3.0 2.6 2.7 2.7 2.7 2.7 2.6
Al 1.8 1.6 1.8 1.8 1.8 1.8 1.8 1.9 1.8 1.8 1.8 2.0 2.0 1.8 1.8 1.6 1.8 1.8 1.8
Fe+ 2 1.7 0.0 1.7 2.0 1.9 1.8 2.3 1.5 2.0 1.9 1.7 2.1 1.6 2.4 2.0 1.5 1.8 2.3 2.3
Ti 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0
Mg 1.1 0.0 0.9 0.7 0.6 0.8 0.3 1.2 0.6 0.7 0.8 0.8 1.2 0.3 0.7 1.0 1.0 0.4 0.3
Mn 0.0 0.0 0.1 0.1 0.0 0.1 0.2 0.0 0.2 0.0 0.1 0.1 0.1 0.1 0.0 0.0 0.0 0.1 0.2
Na 0.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Ca 0.2 0.0 0.1 0.1 0.3 0.1 0.1 0.1 0.1 0.2 0.3 0.1 0.1 0.1 0.1 0.0 0.1 0.1 0.1
K 0.0 1.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 0.0 0.0 0.0
P 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Total 7.6 7.5 7.4 7.4 7.3 7.3 7.4 7.5 7.4 7.4 7.5 8.1 8.0 7.3 7.3 8.0 7.4 7.3 7.3
Almandine 0.6 1.0 0.6 0.7 0.7 0.6 0.8 0.5 0.7 0.7 0.6 0.7 0.5 0.8 0.7 0.6 0.6 0.8 0.8
Spessartine 0.4 0.0 0.3 0.2 0.2 0.3 0.1 0.4 0.2 0.2 0.3 0.2 0.4 0.1 0.2 0.4 0.3 0.1 0.1
Pyrope 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1
Grossular 0.1 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0