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Table 2 The average volume percentages of the major mineral constituents of petrofacies associations recognized in turbidite sandstones of the Espírito Santo Basin as encountered in the Well A1

From: Computerized geochemical modeling of burial diagenesis of the Eocene turbidite reservoir elements: Urucutuca Formation, Espírito Santo Basin, southeastern Brazil passive margin

Constituents Well – A1
Porous (%) Micaceous (%)
Detrital Quartz 48.42 34.78
Detrital K-feldspar 8.50 9.11
Detrital Plagioclase 12.88 18.89
Micas 0.71 1.78
Carbonate grains 1.46 0.88
Intergranular Albite 0.51 0.89
Intragranular Albite 3.04 4.88
Intergranular Calcite 0.71 0.44
Intragranular Calcite 1.83 0.78
Intergranular Dolomite 0.88 0.22
Intragranular Dolomite 1.33 0.66
Intergranular Kaolinite 0.79 0.33
Intragranular Kaolinite 2.74 3.99
Intergranular Quartz 3.00 2.33
Intragranular Porosity 5.25 6.44
Intergranular Porosity 2.20 2.65
Sum 94.27 89.06