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