Table 5.2.

Mineral chemistry of selected lithologies from Morar iron formation (Gwalior Basin) and phosphorite formation (Bijawar Basin)

OxidesBijawar GroupGwalior Group
123456789101112131415161718192021222324
Brecciated phosphoritePhosphorite with Si and argilliteGangau Subgroup argilliteHirapur Fm carbonates and clayIron Fm with Si and argilliteIron Fm with carbonate and argillite
ApatiteApatiteFe-O,OHFe-O,OHApatiteApatiteFe-O,OHIlliteIlliteDolomiteDolomiteSepioliteSepioliteFe-O,OHFe-O,OHFe-O,OHMagnetiteMagnetiteFe-O,OHFe-O,OHCalciteCalciteCalciteSiderite
LC-6LC-6LC-6LC-6PLM2-1P LM2-2PLM2-2IC-2IC-2HP2HP2HP2HP2AK-2/12AK-2/12AK-2/12P7-13P7-13P7-13P7-13P7-13P7-13P7-13P7-13
Dataset/point3/1.4/1 .7/1 .8/1 .1/1 .1/1 .4/1 .3/1 .5/1 .6/1 .7/1 .8/1 .9/1 .10/1 .15/1 .16/1 .37/1 .42/1 .11/1 .15/1 .3/1 .7/1 .8/1 .40/1 .
Na2O0.000.010.000.030.050.030.090.210.160.000.000.030.020.030.070.130.000.000.000.100.060.000.000.08
F3.463.300.010.015.803.240.220.400.220.000.230.390.870.000.170.000.000.010.020.000.040.000.020.00
MgO0.020.010.890.810.010.000.402.692.8221.0820.8529.4729.560.160.050.140.150.120.140.121.290.160.280.58
K2O0.000.000.000.000.000.041.167.907.220.010.000.000.010.050.000.000.010.010.040.070.040.000.000.00
P2O540.7442.690.300.1937.8240.507.140.060.000.020.020.000.000.100.100.150.000.150.290.340.030.080.050.04
CaO55.2755.590.050.0551.7655.008.210.170.2029.9929.780.160.870.180.140.140.000.040.420.5353.6054.9954.1337.35
Cr2O30.000.030.030.000.000.050.150.600.450.000.010.280.020.000.050.010.050.040.060.050.020.000.010.16
FeO0.200.0872.8073.250.220.0363.050.761.290.080.240.080.0773.7470.9271.5889.1788.6068.0862.760.820.601.1118.79
MnO0.000.060.520.550.000.050.000.000.030.040.200.000.010.000.000.000.000.070.080.150.000.000.000.16
TiO20.020.140.000.000.040.010.820.350.070.000.030.150.040.000.000.000.120.140.000.000.050.030.080.00
BaO0.140.100.000.100.000.520.000.140.000.250.000.320.000.000.430.000.000.000.000.000.000.030.230.00
Cl0.000.000.010.010.000.000.020.100.110.000.000.010.010.000.020.040.010.020.090.100.010.010.030.02
Al2O30.000.001.440.950.190.064.5925.1823.900.060.000.100.100.754.734.540.120.122.563.350.720.030.381.70
SiO20.040.031.611.505.470.067.2549.5445.570.230.0361.6261.025.603.543.700.890.755.197.591.500.120.512.70
SrO0.030.030.000.000.000.010.000.000.000.000.000.000.000.000.000.000.000.010.000.000.100.010.000.00
ZnO0.110.000.080.060.140.190.000.000.150.000.130.000.000.000.000.110.100.110.000.030.000.010.010.03
Total100.03102.0577.7377.50101.4999.7893.1088.1082.1951.7551.5292.5992.5980.6080.2280.5390.6190.1976.9675.1858.2756.0656.8361.60
  • Apatite is carbonate fluorapatite (CFA); Fe-O,OH, iron oxide hydroxide.