0
1
? Qec
SAND
Brown fine to medium grained sand, subangular quartz
Strat Unit Name
Coonarbine Formation
Strat Unit Description
Dune sand, red coated, frosted quartz grains, yellow to orange, clay pellets, gypsum flakes. Aeolian.
GIS Code
IH--ec
1
2.1
Qpae
CLAY (UNDIFF. ORIGIN)
SILT
Brown silty & sandy clay, some gypsum
Strat Unit Name
Eurinilla Formation
Strat Unit Description
Sand and gravel, alluvial, lacustrine, lacustrine shoreline, red-brown to yellow-brown.
GIS Code
I---ae
2.1
160
Topn
CLAY (UNDIFF. ORIGIN)
? DOLOMITE ROCK
Clay, mainly dark brown-grey but with red, brown, yellow streaks at top, becomes dark grey at 153m; lignitic; sticky, gypsiferous; white ?dolomite at 117m
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
160
182
Taee
SAND
Grey & brown partly consolidated subrounded to subangular quartz sand, grainsize 0.5-1.0mm, rare 4-5mm
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
182
360
Km
CLAY (UNDIFF. ORIGIN)
CLAYSTONE
Grey-brown sticky clay with white streaks, more indurated & with subrounded quartz pebbles at 260 & 360m
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
360
401.5
K-c
CLAYSTONE
CONGLOMERATE
Claystone with quartz pebbles & ironstone fragments; conglomerate below 394m
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
401.5
702.25
M
SANDSTONE
VOLCANICS
Sandstone & conglomerate to 509m, then interbedded basic volcanics & mudstones, siltstones & sandstones
Strat Unit Name
Mesoproterozoic rocks
Strat Unit Description
Undifferentiated Mesoproterozoic rocks.
GIS Code
M-
702.25
704.1
? Lw
? METASEDIMENT
?Metasediment; original log records dark grey-black dolomitic shale with very fine buff laminations, & possible cleavage development
Strat Unit Name
Willyama Supergroup
Strat Unit Description
Psammopelite; psammite; pelite; metasediments characterised by calc-silicate minerals and alkali feldspar, magnetite- or haematite-bearing; local iron formation, sulphidic metasediments, carbonate rocks. ~1720-1640 Ma.
GIS Code
L-w