Strat Unit Name
Tertiary-Pleistocene rocks
Strat Unit Description
Undifferentiated Tertiary to Pleistocene rocks.
GIS Code
aI
2
17.3
Nhueh
SANDSTONE
Reduced sandstone
Strat Unit Name
Whyalla Sandstone
Strat Unit Description
Sandstone, coarse-grained, bimodal, with large-scale crossbedding, sand grains very well rounded, spherical.
GIS Code
N-hueh
17.3
21.7
Nhu2
No information provided
Strat Unit Name
Umberatana Group unit 2
Strat Unit Description
Undifferentiated Upalinna and Yerelina Subgroups; includes the superseded Willochra Subgroup.
GIS Code
N-hu----02
21.7
33.4
M-p
QUARTZITE
SHALE
Quartzite with minor shale bands
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