0
1
Q
SOIL
CLAY (REGOLITH)
Clay soil.
Strat Unit Name
Quaternary rocks
Strat Unit Description
Undifferentiated Quaternary rocks.
GIS Code
IH
1
81
CK1
MUDSTONE
SANDSTONE
CLaystone, mudstone, minor fine-grained sandstone. Gypsum in top 10 m. Possible porphyry pebbles at ~60-70 m (glacial dropstones?).
Strat Unit Name
Carboniferous-Cretaceous unit 1
Strat Unit Description
Boorthanna Formation, Stuart Range Formation, Cadna-owie Formation and Bulldog Shale: KINGOON DHDB.
GIS Code
CK------01
81
119.5
Erha
DOLOMITE ROCK
MUDSTONE
Dolomitic mudstone and sandy carbonate rock.
Strat Unit Name
Andamooka Limestone
Strat Unit Description
Limestone, grey, off-white, brown, buff, pink, recrystallised, commonly dolomitised, locally sandy or pyritic. Intraclastic or oolitic interbeds; siliciclastics at base. Local trilobite fragments, archaeocyatha, calcimicrobes. Peritidal/subtidal shelf.
GIS Code
E-rh-a
119.5
293.37
Nhwstt
SILTSTONE
SANDSTONE
Chocolate siltstone with minor fine-grained sandstone.
Strat Unit Name
Tregolana Shale Member
Strat Unit Description
Shale, red and green; siltstone.
GIS Code
N-hwstt
293.37
324.32
Nhwsn
SILTSTONE
DOLOMITE ROCK
Siltstone with thin dolomite layers. Minor red medium-grained sandstone and carbonate pebble conglomerate with siltstone matrix.
Strat Unit Name
Nuccaleena Formation
Strat Unit Description
Dolomite, thin, laminated, micritic, with interbedded shale near the top.
GIS Code
N-hwsn
324.32
353.44
? MN
CONGLOMERATE
SANDSTONE
Quartz pebble conglomerate and sandstone. Part of Pandurra Formation or Neoproterozoic unit?
Strat Unit Name
Mesoproterozoic-Neoproterozoic rocks
Strat Unit Description
Undifferentiated Meso-Neoproterozoic rocks.
GIS Code
MN
353.44
655.6
M-p
SANDSTONE
SILTSTONE
Red medium- to coarse-grained sandstone with thin siltstone intercalations.
Strat Unit Name
Pandurra Formation
Strat Unit Description
Sandstone, quartz and lithic, m.g.-c.g., poorly sorted; sandstone, well-sorted, v.f.g.-m.g.; conglomerate, granule to pebble; mudstone; siltstone. Red, brown or purple with reduction spotting or mottling. Fluvial, large-scale cross-bedding and liesegang banding. Maximum deposition 1424±51 Ma (Rb-Sr).
GIS Code
M----p