jurassic sandstone plates

2
 © Petrolab Limited Plate 1 : (Sample ref removed)  A General view of sample (porosity shown by yellow dye) B Quartz dissolution C Clay matrix D Carbonate cement  A – Plane polarised reflected light B, C & D – Cross polarised transmitted light B  A C D 500 µm 250 µm 250 µm 250 µm quartz feldspar clay matrix dissolution contact clay matrix feldspar carbonate

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Mineralogical Report

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  • Petrolab Limited

    Plate 1 : (Sample ref removed)

    A General view of sample (porosity shown by yellow dye)

    B Quartz dissolution

    C Clay matrix

    D Carbonate cement

    A Plane polarised reflected lightB, C & D Cross polarised transmitted light

    BA

    C D

    500 m

    250 m

    250 m

    250 m

    quartz

    feldspar

    clay matrix

    dissolution contact

    clay matrix

    feldspar

    carbonate