0
2.5
Q
LATERITE
Recemented pisolitic laterite
Strat Unit Name
Quaternary rocks
Strat Unit Description
Undifferentiated Quaternary rocks.
GIS Code
IH
2.5
51.65
JK-a
SANDSTONE
CLAYSTONE
Fine-med. gr. argillaceous sandstone, minor sandy claystone
Strat Unit Name
Algebuckina Sandstone
Strat Unit Description
Sandstone, fine to coarse-grained, with granule and pebble layers, and shale intraclasts. Cross-bedded.
GIS Code
JK---a
51.65
57.6
P-t
MUDSTONE
Partly carbonaceous, partly silty mudstone
Strat Unit Name
Mount Toondina Formation
Strat Unit Description
Siltstone and sandstone interbedded with coal, shale and rare carbonate. Depositional environments include anoxic marine-lacustrine, deltaic changing up-section to lacustrine and fluvial.
GIS Code
P----t
Strat Unit Name
no sample
Strat Unit Description
No sample: lost in drilling, cavity; sea if offshore.
GIS Code
------ns
127
210.3
CP-b
MUDSTONE
TILLITE
Mudstone with varves and tillite with muddy to sandy matrix
Strat Unit Name
Boorthanna Formation
Strat Unit Description
Diamictite with shale intercalations in the basal unit, the upper unit with rhythmically bedded coarse and fine-grained clastics. Subaqueous deposition of glacial debris transported as mud flows.
GIS Code
CP---b
210.3
280.9
M-p
SANDSTONE
Variably sorted sandstone, conglomeratic in part
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
280.9
361.1
Ytt
BRECCIA (UNDIFF. ORIGIN)
Conglomeratic breccia of volcanic fragments to boulder size
Strat Unit Name
Tarcoola Formation
Strat Unit Description
Quartzite; siltstone to shale, pyritic and carbonaceous; conglomerate, polymict; minor tuff. Fluvial to marginal marine. 1654 Ma.
GIS Code
Y--t-t