Strat Unit Name
Quaternary rocks
Strat Unit Description
Undifferentiated Quaternary rocks.
GIS Code
IH
Strat Unit Name
Bulldog Shale
Strat Unit Description
Mudstone, grey, bioturbated, fossiliferous and shaly; minor silt to very fine-grained sandstone intervals.
GIS Code
K--rmb
86
122
K-c
SANDSTONE
SILTSTONE
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
122
148
JK-a
SANDSTONE
SILTSTONE
Strat Unit Name
Algebuckina Sandstone
Strat Unit Description
Sandstone, fine to coarse-grained, with granule and pebble layers, and shale intraclasts. Cross-bedded.
GIS Code
JK---a
148
554.5
P-t
SANDSTONE
SILTSTONE
Coal bands near top of unit
Strat Unit Name
Mount Toondina Formation
Strat Unit Description
Siltstone and sandstone interbedded with coal, shale and rare carbonate. Depositional environments include anoxic marine-lacustrine, deltaic changing up-section to lacustrine and fluvial.
GIS Code
P----t
554.5
849
P-t
SILTSTONE
SANDSTONE
Strat Unit Name
Mount Toondina Formation
Strat Unit Description
Siltstone and sandstone interbedded with coal, shale and rare carbonate. Depositional environments include anoxic marine-lacustrine, deltaic changing up-section to lacustrine and fluvial.
GIS Code
P----t
849
884
P-s
SHALE
SILTSTONE
Strat Unit Name
Stuart Range Formation
Strat Unit Description
Shale, homogenous marine, with minor siltstone and sandstone. Deposited in a quiet water restricted marine environment.
GIS Code
P----s
884
924.2
CP-b
SANDSTONE
DIAMICTITE
Strat Unit Name
Boorthanna Formation
Strat Unit Description
Diamictite with shale intercalations in the basal unit, the upper unit with rhythmically bedded coarse and fine-grained clastics. Subaqueous deposition of glacial debris transported as mud flows.
GIS Code
CP---b