Strat Unit Name
Quaternary rocks
Strat Unit Description
Undifferentiated Quaternary rocks.
GIS Code
IH
Strat Unit Name
Nullarbor Limestone
Strat Unit Description
Limestone, bioclastic, micritic. Subtidal, platformal, above fair weather wave-base.
GIS Code
em-u-n
Strat Unit Name
Wilson Bluff Limestone
Strat Unit Description
Wackestone, white to grey; skeletal mudstone; rudstone and minor packstone. Locally laminations and scour channels, infilled with coarser material.
GIS Code
em-u-w
49.1
57
Tbh
SANDSTONE
M-cg carb glauc qtz sdst
Strat Unit Name
Hampton Sandstone
Strat Unit Description
Sand, generally quartz-rich, well rounded, fine-medium grains, clayey at base, glauconitic and fossiliferous. Grades upward and landward into neritic limestone. Marine.
GIS Code
eI-ibh
Strat Unit Name
Pidinga Formation
Strat Unit Description
Siltstone, carbonaceous; lignite; sand, carbonaceous. Palaeochannel fill.
GIS Code
eI-ibp
76.5
82.5
K-d
SILT
SAND
Sandy silt, shle, carb top, ferrug base
Strat Unit Name
Madura Formation
Strat Unit Description
Sandstone, glauconitic, carbonaceous, micaceous, clayey, poorly sorted, interbeds of claystone; siltstone; claystone; shale, dark grey, silty, sandy, micaceous, pyritic; dolomite, microcrystalline, occasional bands within claystone and shale. Marine.
GIS Code
K----d
82.5
100.5
K-l
SANDSTONE
CONGLOMERATE
Sdst, gravel, calc in part
Strat Unit Name
Loongana Formation
Strat Unit Description
Sandstone, white, grey, quartzose, feldspathic, lithic, with anhydrite and dolomite, medium to coarse-grained; interbedded with siltstone and shale.
GIS Code
K----l