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Table 6 Representative analysis of garnet from sandstones of Bhuj 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. B-2 B-3
Dataset/Point 14/1 15/1 18/1 27/1 32/1 38/1 43/1 50/1 54/1 58/1 59/1
SiO2 38.5 39.0 38.0 39.0 39.0 35.3 36.8 39.2 37.4 36.4 38.4
TiO2 0.0 0.0 0.0 0.0 0.0 4.2 0.0 0.0 0.0 0.0 0.0
Al2O3 21.7 22.1 21.9 22.5 20.7 19.2 20.9 22.0 20.6 21.2 21.9
Fe2O3 36.4 35.7 37.7 32.5 35.5 25.8 33.7 31.5 35.0 41.9 34.0
MnO 0.5 0.5 0.6 1.6 1.1 0.1 0.8 0.9 1.9 1.2 0.6
MgO 6.4 6.7 6.8 9.1 6.4 6.0 3.8 9.0 2.4 3.5 8.6
CaO 1.8 1.8 0.7 0.7 1.6 0.1 7.1 1.8 7.1 0.7 1.2
Na2O 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.0
K2O 0.0 0.0 0.0 0.0 0.0 8.5 0.0 0.0 0.0 0.0 0.0
P2O5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Total 105.3 105.8 105.7 105.4 104.3 99.4 103.1 104.4 104.4 104.9 104.7
Si 3.0 3.0 3.0 3.0 3.1 2.9 3.0 3.0 3.0 2.9 3.0
Al 2.0 2.0 2.0 2.0 1.9 1.9 2.0 2.0 1.9 2.0 2.0
Fe2 + 2.1 2.1 2.2 1.9 2.1 1.6 2.0 1.8 2.1 2.5 2.0
Ti 0.0 0.0 0.0 0.0 0.0 0.3 0.0 0.0 0.0 0.0 0.0
Mg 0.7 0.8 0.8 1.0 0.7 0.7 0.5 1.0 0.3 0.4 1.0
Mn 0.0 0.0 0.0 0.1 0.1 0.0 0.1 0.1 0.1 0.1 0.0
Na 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Ca 0.1 0.2 0.1 0.1 0.1 0.0 0.6 0.1 0.6 0.1 0.1
K 0.0 0.0 0.0 0.0 0.0 0.9 0.0 0.0 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
Total 7.9 8.1 8.1 8.1 8.0 8.3 8.2 8.0 8.0 8.0 8.1
Almandine 0.7 0.7 0.7 0.6 0.7 0.7 0.6 0.6 0.7 0.8 0.6
Spessartine 0.2 0.3 0.3 0.3 0.2 0.3 0.1 0.3 0.1 0.1 0.3
Pyrope 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Grossular 0.0 0.1 0.0 0.0 0.0 0.0 0.2 0.0 0.2 0.0 0.0