--> Figure 4. Fractured medium-grained sandstone, Nikanassin Formation, North Grizzly field. Two generations of fractures are present, each largely healed by silica and ferroan dolomite cements.

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Figure 4. Fractured medium-grained sandstone, Nikanassin Formation, North Grizzly field. Two generations of fractures are present, each largely healed by silica and ferroan dolomite cements.