FRESHWATER CREEK

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GEOLOGY

SOUTH AUSTRALIA

ST VINCENT BASIN

Yudnamutana Subgroup

Glaciomarine diamictite, sandstone, siltstone, conglomerate and ironstone.

NEOPROTEROZOIC Sturtian

Appila Tillite

Tillite; quartzite; siltstone. Massive, grey. diamictite

NEOPROTEROZOIC

Sturtian

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Pooraka Formation

Clay, sand and carbonate earth, silty, with gravel lenses.

Pleistocene, Late

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Koolunga Gravel

Fluviolacustrine siliceous silt, sand and gravel.

Miocene-Pliocene rocks 

Tertiary, late

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RIVER POTHOLES

Formed in Appila Tillite 

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?

Undifferentiated Quaternary alluvial/fluvial sediments.

PLEISTOCENE-HOLOCENE

Quaternary

REFEreNCES

Australian Government, Geoscience Australia. (n.d.). Backstairs Passage Formation | Australian Stratigraphic Units Database, Geoscience Australia. Last update: September 3, 2019.

Ayres, D. E. (1959). Report on the Waterfall Gully – Brook Gully area. The University of Adelaide. 

South Australian Government. (n.d.). SARIG geological map. SARIG. 

Victor Tokarev. (2005, February). Neotectonics of the Mount Lofty Ranges (South Australia). Adelaide University - school of Earth Science & Environmental Sciences, Geology & Geophysics. 

GHOST RANCH
NEW MEXICO, U.S.A
DEAD MAN'S PASS
SOUTH AUSTRALIA
BORAH FAULT SCRAP
IDAHO, U.S.A