Strat Unit Name
Namba Formation
Strat Unit Description
Sand, fine to medium-grained, poorly sorted, angular, silt, thin dolomite, oolitic dolomite interbeds. Shallow, brackish to fresh water lakes.
GIS Code
op---n
Strat Unit Name
Eyre Formation
Strat Unit Description
Pyritic, carbonaceous sand, grain-size ranges from silt to small cobble, with beds of lignite and clay. Clays are montmorillonite, kaolinite and illite. Braided streams.
GIS Code
ae---e
Strat Unit Name
Winton Formation
Strat Unit Description
Shale; siltstone; sandstone. Non-marine, minor coal horizons.
GIS Code
K--raw
Strat Unit Name
Mackunda Formation
Strat Unit Description
Sandstone, calcareous; siltstone; shale.
GIS Code
K--ram
Strat Unit Name
Allaru Mudstone
Strat Unit Description
Mudstone.
GIS Code
K--rwa
Strat Unit Name
Toolebuc Formation
Strat Unit Description
Mudstone, black, carbonaceous, clayey, with fish fossils; dark grey, calcareous clayey mudstone with coquinite.
GIS Code
K--rwt
Strat Unit Name
Wallumbilla Formation
Strat Unit Description
Shale.
GIS Code
K--rww
Strat Unit Name
Cadna-owie Formation
Strat Unit Description
Sandstone, fine-grained, with coarse-grained sandstone beds, and pale grey siltstone, minor conglomerate.
GIS Code
K----c
Strat Unit Name
Murta Formation
Strat Unit Description
Siltstone, dark grey, argillaceous and carbonaceous with interbedded fine to very fine-grained sandstone.
GIS Code
K----u
Strat Unit Name
McKinlay Member
Strat Unit Description
Sandstone, buff, very-fine to medium-grained interbedded with dark grey carbonaceous and micaceous siltstone.
GIS Code
K----um
Strat Unit Name
Namur Sandstone
Strat Unit Description
Sandstone, white to pale grey, fine to coarse-grained, crossbedded and quartzose; minor siltstone and mudstone.
GIS Code
JK---n
Strat Unit Name
Westbourne Formation
Strat Unit Description
Shale and siltstone, dark grey, interbedded; sandstone.
GIS Code
J----w
Strat Unit Name
Adori Sandstone
Strat Unit Description
Sandstone, well sorted, subrounded, crossbedded, fine to coarse-grained.
GIS Code
J----a
Strat Unit Name
Birkhead Formation
Strat Unit Description
Siltstone, dark grey and brown; mudstone; sandstone, buff, fine to medium-grained; minor coal seams.
GIS Code
J----b
Strat Unit Name
Hutton Sandstone
Strat Unit Description
Sandstone, white, fine to coarse-grained; with minor dark grey lenticular carbonaceous siltstone and shale interbeds.
GIS Code
J----h
Strat Unit Name
Poolowanna Formation
Strat Unit Description
Sandstone, white to pale grey, fine to medium-grained, crossbedded, ripple cross laminated; siltstone, dark grey; shale; coal seams and breccias.
GIS Code
J----p
Strat Unit Name
Nappamerri Group
Strat Unit Description
Red beds; mudstone; siltstone; sandstone; lithic sandstone. Fluvial, fluvio-lacustrine, streams, high sinuosity streams,.
GIS Code
PR-n
Strat Unit Name
Toolachee Formation
Strat Unit Description
Sandstone; mudstone; coal. Mixed-load channels, flood-plain and swamp.
GIS Code
CP-g-t
Strat Unit Name
Patchawarra Formation
Strat Unit Description
Siltstone, coal-swamp; sandstone; minor coal. Fluvio-lacustrine floodplain, minor deltaic environments.
GIS Code
CP-g-p
Strat Unit Name
Mooracoochie Volcanics
Strat Unit Description
Tuff; lapilli-tuff; trachyte; rhyolite and crystal tuff; conglomerate and agglomerate; 517±9Ma.
GIS Code
E----m