0
0.5
Q
SOIL
CLAY (UNDIFF. ORIGIN)
Clayey soil with silcrete
Strat Unit Name
Quaternary rocks
Strat Unit Description
Undifferentiated Quaternary rocks.
GIS Code
IH
0.5
16
T\si
SILCRETE
Mottled white and brown silcrete with clay
Strat Unit Name
Tertiary silcrete
Strat Unit Description
Undifferentiated Tertiary silcrete.
GIS Code
ap----si
16
90
Krmb
CLAY (UNDIFF. ORIGIN)
SHALE
Weathered clay to shale to 56m over carbonaceous clay to shale
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
90
110
K-c
CLAY (UNDIFF. ORIGIN)
SAND
Unconsolidated, grey sandy clay to clayey sand
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
110
118.95
Y
GNEISS
deeply weathered, qz-kspar, moderately magnetic.
Strat Unit Name
Palaeoproterozoic rocks
Strat Unit Description
Undifferentiated Palaeoproterozoic rocks.
GIS Code
Y-
118.95
172.6
Y
GNEISS
magnetic, kspar, chlorite, and hematite altered, Kspar-plag-qz-mt, fine to granular sugary.
Strat Unit Name
Palaeoproterozoic rocks
Strat Unit Description
Undifferentiated Palaeoproterozoic rocks.
GIS Code
Y-
172
297
Y
GNEISS
predominant potassic-hematite-chlorite altered, qz-kspar felsic, variably brecciated, variably magnetic, with bands of more iron-rich, more silicified rock.
Strat Unit Name
Palaeoproterozoic rocks
Strat Unit Description
Undifferentiated Palaeoproterozoic rocks.
GIS Code
Y-
297
379.9
Y
MAGNETITE-RICH ROCK (METASOMATIC)
massive to variably banded, foliated, magnetite-rich, variably sulphidic, chloritic, minor qz-Kspar throughout, and in richer bands.
Strat Unit Name
Palaeoproterozoic rocks
Strat Unit Description
Undifferentiated Palaeoproterozoic rocks.
GIS Code
Y-
379
496
Y
BRECCIA (UNDIFF. ORIGIN)
aa, but increase in magnetite, bands of breccia of above, with mt-supported matrix
Strat Unit Name
Palaeoproterozoic rocks
Strat Unit Description
Undifferentiated Palaeoproterozoic rocks.
GIS Code
Y-
496
504.45
? M
QUARTZ PORPHYRY
orange, pink, green, grey, strongly potassic, amphibole lens.
Strat Unit Name
Mesoproterozoic rocks
Strat Unit Description
Undifferentiated Mesoproterozoic rocks.
GIS Code
M-
504.45
588.52
Y
BRECCIA (UNDIFF. ORIGIN)
kspar-qz-amph-mt, variably matrix supported, similar to GNSS, but increased brecciation.
Strat Unit Name
Palaeoproterozoic rocks
Strat Unit Description
Undifferentiated Palaeoproterozoic rocks.
GIS Code
Y-
588.52
621.9
Y
GNEISS
gnss Kspar-qz-plag-biot, variably brecciated, and altered, variable magnetite.
Strat Unit Name
Palaeoproterozoic rocks
Strat Unit Description
Undifferentiated Palaeoproterozoic rocks.
GIS Code
Y-