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FRESHWATER CREEK

SPALDING - SOUTH AUSTRALIA

AUG 10th 2021

GEOLOGY

ST VINCENT BASIN

Yudnamutana Subgroup = Glaciomarine diamictite, sandstone, siltstone, conglomerate and ironstone.

NEOPROTEROZOIC Sturtian

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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

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REFEreNCES

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

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

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