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
description
Mineralogical Report
Transcript of Jurassic Sandstone Plates
-
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