Table C.2 Summary of shale and tight gas plays compiled from Munson et al. (2014). Formation Age Environment Top depth Thickness Source rock(s) Source Source Play type Exploration status (m) (m) rock TOC rock (%) maturity Stairway Early epicontinental 750–1,800 < 550 m Some Type III; likely Unknown Tight gas ?Preliminary exploration (Central Sandstone Ordovician seaway Horn Valley siltstone Petroleum, 2017) source Horn Valley Early shallow 1,000–1,900 0–422 m Type II; type III 0.2–9.0% Early oil Shale gas Preliminary exploration (Central – Siltstone Ordovician marine gas Petroleum, 2017) window Pacoota Early outer shelf, 1,020–2,100 700–800 m Horn Valley as above as above Tight gas ?Preliminary exploration (Central Sandstone Ordovician estuarine, Siltstone Petroleum, 2017) tidal, barrier island
Table C.2 Summary of shale and tight gas plays compiled from Munson et al. (2014). Formation Age Environment Top depth (m) Thickness (m) Source rock(s) Source rock TOC (%) Source rock maturity Play type Exploration status Stairway Sandstone Early Ordovician epicontinental seaway 750–1,800 < 550 m Some Type III; likely Horn Valley siltstone source Unknown Tight gas ?Preliminary exploration (Central Petroleum, 2017) Horn Valley Siltstone Early Ordovician shallow marine 1,000–1,900 0–422 m Type II; type III 0.2–9.0% Early oil – gas window Shale gas Preliminary exploration (Central Petroleum, 2017) Pacoota Sandstone Early Ordovician outer shelf, estuarine, tidal, barrier island 1,020–2,100 700–800 m Horn Valley Siltstone as above as above Tight gas ?Preliminary exploration (Central Petroleum, 2017)
gba_stage1_appendices_final_small.docx