Table C.48 Summary of shale and tight gas plays (from DNRM, 2017). Formation Age Environment Top depth Thickness Source Source Source rock Play type Exploration status (m) (m) rock(s) rock TOC maturity (%) Lawn Hill Mesoproterozoic Mid to outer Outcrop to up to 2,200 m Algal up to 7% Dry gas Shale gas Preliminary exploration Formation shelf 2,000 m Riversleigh Paleoproterozoic- Mid to outer Outcrop to up to 2,900 m Algal up to 8% Dry gas Shale gas Preliminary exploration Siltstone Mesoproterozoic shelf m
Table C.48 Summary of shale and tight gas plays (from DNRM, 2017). Formation Age Environment Top depth (m) Thickness (m) Source rock(s) Source rock TOC (%) Source rock maturity Play type Exploration status Lawn Hill Formation Mesoproterozoic Mid to outer shelf Outcrop to 2,000 m up to 2,200 m Algal up to 7% Dry gas Shale gas Preliminary exploration Riversleigh Siltstone Paleoproterozoic- Mesoproterozoic Mid to outer shelf Outcrop to m up to 2,900 m Algal up to 8% Dry gas Shale gas Preliminary exploration
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