0
50
Krmb
CLAYSTONE
SHALE
Claystone & shale: Cret. Bulldog Shale. Overlain by thin Cenozoic cover. Probably underlain by basal Eromanga Basin rocks (Cadna-owie Fm, Algebuckina Sst?). Inferred base at ~50 m uncertain (env03784, QR June 1981, plan 8, drill log, p. 404 in pdf file).
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
50
204.5
CP-b
CLAYSTONE
SANDSTONE
Claystone to sandstone, partly tillitic (acid porphyry clasts), basal pyritic grit: Permian Boorthana Fm. Inferred top at ~50 m uncertain (env03784, QR June 1981, plan 8, drill log, p. 404 in pdf file).
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
204.5
860
M-p
SANDSTONE
SILTSTONE
Arkosic sandstone and grit with minor hematitic siltstones.
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