0
4.27
TQ
CLAY (UNDIFF. ORIGIN)
GYPSUM ROCK
Silty clay, gypsum & soil
Strat Unit Name
Tertiary-Pleistocene rocks
Strat Unit Description
Undifferentiated Tertiary to Pleistocene rocks.
GIS Code
aI
4.27
76.81
Topn
CLAY (UNDIFF. ORIGIN)
SILT
Grey-green silty clays, locally carbonaceous; dolomite bands from 178'
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
76.81
121.31
Taee
SAND
CLAY (UNDIFF. ORIGIN)
Medium to coarse gravelly carbonaceous sand & clay
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
121.31
128.02
Krm
CLAY (UNDIFF. ORIGIN)
SILT
Blue silty clay, some sand & gravel (?contamination)
Strat Unit Name
Marree Subgroup
Strat Unit Description
Shale, dark grey, bioturbated, fossiliferous; sandstone, fine to very fine grained, calcareous, clayey.
GIS Code
K--rm