0
6.4
Qpae
CLAY (UNDIFF. ORIGIN)
Brown clay
Strat Unit Name
Eurinilla Formation
Strat Unit Description
Sand and gravel, alluvial, lacustrine, lacustrine shoreline, red-brown to yellow-brown.
GIS Code
I---ae
6.4
19
TpQaw
CLAY (UNDIFF. ORIGIN)
SILT
Green clay, 30% silt
Strat Unit Name
Willawortina Formation
Strat Unit Description
Mud, sandy; dolomite, silty, lacustrine, floodplain. Clay, green, distal fan, mudflow and playa. Gravel, coarse, framework supported, braided fan. Gravel, clayey, matrix supported, debris flows. Often calcreted or gypsified.
GIS Code
pI--aw
19
122.5
Topn
CLAYSTONE
CLAY (UNDIFF. ORIGIN)
Grey & mottled claystone & clay, locally sandy; silcrete 19-24m & 48-50m; white dolomitic clay & sand from 118m
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
122.5
184
Taee
SAND
LIGNITE
Lignitic & carbonaceous sand, laminated lignite, local clay; gravelly toward base
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
184
312
Krmb
SILT
SAND
Grey silt to fine sand & claystone, shaley in lower part
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
312
330
Krm
SAND
CLAY (UNDIFF. ORIGIN)
Silty & clayey sand
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
330
520.4
Krmb
CLAYSTONE
SILTSTONE
Grey shaley claystone/siltstone with sand laminae in lower part; locally bioturbated; cone-in-cone limestone at 386m
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
520.4
548
K-c
SANDSTONE
SILTSTONE
Sandstone with interbedded grey siltstone, basal pebbles, calcareous cap rock
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
548
564.25
Mm
REGOLITH
Regolith: highly weathered basement
Strat Unit Name
Moolawatana Suite
Strat Unit Description
Granite to quartz monzonite, coarse, grey, porphyritic, rapakivi-like, massive to gneissic; quartz monzonite, medium to coarse, white-grey; granite, tabular feldspar, grey, gneissic, enriched in REE, U, Th. Minor tourmaline-bearing granite or monzogranite, granodiorite. A-type, ~1560-1550 Ma.
GIS Code
M--m
564.25
591.75
Mm
ADAMELLITE
CLAY (UNDIFF. ORIGIN)
Altered biotite adamellite, upper part weathered to clay; chlorite+quartz+sericite alteration, minor pyrite, chalcopyrite
Strat Unit Name
Moolawatana Suite
Strat Unit Description
Granite to quartz monzonite, coarse, grey, porphyritic, rapakivi-like, massive to gneissic; quartz monzonite, medium to coarse, white-grey; granite, tabular feldspar, grey, gneissic, enriched in REE, U, Th. Minor tourmaline-bearing granite or monzogranite, granodiorite. A-type, ~1560-1550 Ma.
GIS Code
M--m