Spatial variation in the stratigraphic architecture of the Fort Cooper and equivalent coal measures, Bowen Basin, Queensland

Ayaz, S.A.; Esterle, Joan; Martin, Michael

doi:10.1080/08120099.2015.1062422

Cited by 14 publications

(8 citation statements)

References 12 publications

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“…Coal seams and tuffs can often be correlated over hundreds of kilometres and therefore provide a reliable tool in stratigraphic framework studies (e.g. Ayaz et al, 2015;Brakel, 1989;Esterle and Sliwa, 2002;Staines and Koppe, 1979;Warwick, 2005). Radiogenic isotope dating has been applied to test these correlations between basins in eastern Australian, as well as globally (Ayaz et al, 2016a;, and absolute dating combined with palynology is rapidly developing to recalibrate the Permian coal-bearing basins in eastern Australia (Bodorkos et al, 2016;Laurie et al, 2016;Metcalfe et al, 2015).…”

Section: Overviewmentioning

confidence: 99%

“…Following the hiatus, widespread peat mires developed in the Lopingian (late Permian). The resulting coal measures show merged seams in the north of the Bowen Basin that have increased splitting to the east and south (Ayaz et al, 2015;Esterle and Sliwa, 2002;Sliwa et al, 2017). This has been interpreted as a dynamic foreland loading phase in the Bowen Basin with increased subsidence to its east, towards the convergent margin (Fielding et al, 1993(Fielding et al, , 2000Sliwa et al, 2017;Veevers, 2006; Figure 2).…”

Section: Tectonic and Geological Settingmentioning

confidence: 99%

“…The lower section of the Peawaddy Formation interfingers with the marine MacMillan Formation (Prouza and Park, 1973) in the Bowen Basin, correlatable with the upper section of the Moranbah Coal Measures in the northern part of the basin. The upper section of the Peawaddy Formation in the Denison Trough is correlatable with the highly tuffaceous and coal-bearing Fair Hill Formation (Prouza and Park, 1973), the basal section of the Fort Cooper Coal Measures Ayaz et al, 2015;Draper, 2013;Jensen, 1971; Figure 9) in the Bowen Basin.…”

Section: Peawaddy Formationmentioning

confidence: 99%

“…The Black Alley Shale overlies the Peawaddy Formation and is traceable from the Galilee Basin (where it separates the Colinlea Sandstone and the Bandanna Formation) into the southern Bowen Basin, which separates the Fair Hill Formation Ayaz et al, 2015) from the overlying Burngrove Formation (Malone et al, 1969).The Black Alley Shale pinches out northward in the Bowen Basin as the coal-bearing succession merge into the Fort Cooper Coal Measures. The Fort Cooper Coal Measures are associated with abundant tuffaceous layers within their coals (Figure 9).…”

Section: Black Alley Shalementioning

confidence: 99%

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Stratigraphic architecture of Lopingian (upper Permian) strata in the Galilee Basin, NE Australia

Phillips¹

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This study reviewed the stratigraphic framework of the Koburra Trough, Galilee Basin and proposed a modified stratigraphy of the Betts Creek beds based on regional correlation of coal and interburden facies character observed in wireline log signatures, core and chip descriptions. The new stratigraphy was tested through radiogenic isotope dating of tuffs and palynology. This new framework provides the foundation for a regional palaeo-environmental model, coupled with an investigation of sediment provenance through U-Pb analysis of detrital zircons and their implications for the tectonic setting of the Galilee Basin. Through the regional correlations of 76 public domain and 1205 proprietary geophysical wireline logs complemented by core descriptions, a series of regional coal seam correlations were developed. Using the C seam, with a distinctive tuffaceous character, as a marker horizon, the Lopingian coal seam architecture was established. The C seam is overlain by the B and A seams that merge to the north and diverge to the south above a coarsening upward sequence correlative to the Black Alley Shale. This architecture is similar to the splitting of the Fort Cooper Coal Measures into the Burngrove and Fair Hill formations in the neighbouring Bowen Basin. The C seam is underlain by three seams, D, E and F, that exhibit complex splitting patterns reflecting compensational stacking of interburden strata and coals. These form the 'Colinlea Sandstone equivalent' that, to the south, transition to the Peawaddy Formation and Catherine Sandstone. The combination of these formations elevates the Betts Creek beds to group status. From east to west the Betts Creek Group incorporates units of coal seams known as the Crossmore and Glenaras sequences. However, these seams were only found local to the Hulton-Rand Structure, and do not have an equivalent in the Koburra Trough. They were renamed the 'J and K' seams, and removed from the Betts Creek Group. Chemical Abrasion-Isotope Dilution Thermal Ionization Mass Spectrometry (CA-IDTIMS) and palynological techniques were used to corroborate the proposed correlations. Tuffs within the C coal seams yielded zircon U-Pb dates of 254.31±0.10, 254.41±0.07 and 255.13±0.09 Ma, which are equivalent with a Lopingian date obtained from the Black Alley Shale on the Springsure Shelf, 254.08±0.06 Ma. The correspondence suggests that the C seam is an equivalent to a seam of the Fair Hill Formation in the Bowen Basin and a landward lateral equivalent of the Black Alley Shale, rather than the upper section of the 'Colinlea Sandstone equivalent'. A tuff date from the top of the B coal seam (252.81±0.07 Ma) correlates with published dates of the Yarrabee Tuff in the Bowen III Basin. This places the B seam as an equivalent to the Burngrove Formation and the overlying A seam, the only coal seam within the Bandanna Formation.The age of the 'J and K' seams were determined with palynology and found to contain the biozone APP3.2 index species, Praecolpatites sinuosus, placing them in the late Cisuraliane...

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Section: Overviewmentioning

confidence: 99%

Section: Tectonic and Geological Settingmentioning

confidence: 99%

Section: Peawaddy Formationmentioning

confidence: 99%

Section: Black Alley Shalementioning

confidence: 99%

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Stratigraphic architecture of Lopingian (upper Permian) strata in the Galilee Basin, NE Australia

Phillips¹

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“…South-eastward splitting of the major seam packages is related to the differences in overall subsidence between the north-western and south-eastern domains as described for peat systems in general by Bohacs and Suter (1997) and also recognised in the FCCM in this area by Ayaz et al (2015).…”

Section: Inclined Heterolithic Stratamentioning

confidence: 99%

Controls on Sediment Distribution in the Late Permian Rangal Coal Measures of the Nebo Synclinorium

Wilson¹

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Coal composition and influence on coal gas reservoirs

Flores,

Moore

2024

Coal and Coalbed Gas

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Spatial variation in the stratigraphic architecture of the Fort Cooper and equivalent coal measures, Bowen Basin, Queensland

Cited by 14 publications

References 12 publications

Stratigraphic architecture of Lopingian (upper Permian) strata in the Galilee Basin, NE Australia

Stratigraphic architecture of Lopingian (upper Permian) strata in the Galilee Basin, NE Australia

Controls on Sediment Distribution in the Late Permian Rangal Coal Measures of the Nebo Synclinorium

Coal composition and influence on coal gas reservoirs

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