0
18
Qpcb
CALCARENITE
CALCRETE
Fg-mg unconsol aeolianite below calcrete & topsoil
Strat Unit Name
Bridgewater Formation
Strat Unit Description
Coastal barrier and shallow sub-tidal sediments: bioclastic and aeolian cross-bedded calcarenite, palaeosol horizons, often capped by calcrete.
GIS Code
I---cb
18
110
ns
Lost circulation- no sample return
Strat Unit Name
no sample
Strat Unit Description
No sample: lost in drilling, cavity; sea if offshore.
GIS Code
------ns
21.3
51.5
Tbe
New pick in 2025
Strat Unit Name
Poelpena Formation
Strat Unit Description
Sand, silt, clay, carbonaceous, micaceous, pyritic, frequent interbeds of dark brown lignite.
GIS Code
eI-ibe
51.5
110
J-o
New pick in 2025
Strat Unit Name
Polda Formation
Strat Unit Description
Sand, clayey, grey, brown and black; silt, carbonaceous, grey; clay; lignite; coal. Sandstone, conglomerate in outcrop.
GIS Code
J----o
110
124.65
Ytb
SANDSTONE
Red & wh sandstone, Xbedded in part, silty in part
Strat Unit Name
Blue Range beds
Strat Unit Description
Sandstone, minor grit and pebble beds, white, massive to crossbedded, rare haematite veins.
GIS Code
Y--t-b