The Scientific World Journal / 2014 / Article / Tab 2 / Research Article
Geochemical Mass Balance and Elemental Transport during the Weathering of the Black Shale of Shuijingtuo Formation in Northeast Chongqing, China Table 2 Pearson correlation coefficients among major elements, density, and pH value for the profiles A, B, and C, respectively. Values greater than 0.80 are indicated in bold.
SiO2 Al2 O3 Fe2 O3 K2 O Na2 O CaO MgO P2 O5 SO3 LOI ρ Profile A Al2 O3 0.955
**
Fe2 O3 −0.683* −0.556 K2 O 0.916
**
0.983
**
−0.583 Na2 O 0.930
**
0.964
**
−0.651* 0.958
**
CaO −0.843
**
−0.939
**
0.275 −0.925
**
−0.877
**
MgO −0.852
**
−0.806
**
0.365 −0.745** −0.749** 0.822
**
. P2 O5 −0.359 −0.286 0.760** −0.387 −0.394 0.141 0.160 SO3 −0.812
**
−0.842
**
0.181 −0.762** −0.737** 0.874
**
0.754** −0.093 LOI −0.780** −0.815
**
0.102 −0.725* −0.678* 0.863
**
0.813
**
−0.219 0.944
**
ρ −0.814
**
−0.836
**
0.180 −0.741** −0.740** 0.877
**
0.869
**
−0.093 0.914
**
0.955
**
pH −0.809
**
−0.868
**
−0.569 −0.879
**
−0.864
**
0.794** 0.725* 0.414 0.622* 0.588 0.626* Profile B Al2 O3 0.710* Fe2 O3 −0.312 0.665* K2 O −0.754** 0.980
**
0.631* Na2 O −0.593 0.674* 0.548 0.672* CaO −0.543 −0.097 −0.434 −0.074 0.098 MgO −0.917
**
−0.758** 0.146 0.786** 0.484 0.487 P2 O5 0.373 −0.414 −0.238 −0.546 −0.605* 0.159 −0.301 SO3 −0.781** 0.663* 0.665* 0.711* 0.847
**
0.218 0.563 −0.573 LOI −0.478 −0.021 −0.031 0.118 0.021 0.312 0.300 −0.365 0.346 ρ −0.626* 0.264 −0.157 0.314 0.595 0.575 0.590 −0.426 0.509 0.367 pH −0.074 −0.291 −0.764** −0.320 −0.198 0.712* 0.254 0.398 −0.344 −0.061 0.473 Profile C Al2 O3 0.873
**
Fe2 O3 −0.376 0.107 K2 O 0.867
**
0.990
**
0.102 Na2 O 0.740** 0.561 −0.383 0.501 CaO −0.781** −0.949
**
−0.249 −0.962
**
−0.422 MgO −0.639* −0.745** −0.190 −0.810
**
−0.321 0.866
**
P2 O5 −0.691* −0.901
**
−0.271 −0.884
**
−0.477 0.855
**
0.641* SO3 −0.662* −0.299 0.840
**
−0.266 −0.668* 0.072 −0.044 0.110 LOI −0.968
**
−0.932
**
0.194 −0.930
**
−0.670* 0.875
**
0.750** 0.736** 0.513 ρ −0.913
**
−0.907
**
0.108 −0.916
**
−0.510 0.901
**
0.766** 0.671* 0.392 0.963
**
pH −0.159 −0.548 −0.728* −0.569 0.099 0.648* 0.581 0.609* −0.552 0.300 0.381
Data from the three profiles.
