CASTLE ROCK LOOKOUT

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GEOLOGY

SOUTH AUSTRALIA

B

Pound Subgroup

Shallow marine sandstone and quartzite; contains metazoan fossils.

NEOPROTEROZOIC

Marinoan

Rawnsley Quartzite

Quartzite and sandstone, white or light grey, locally flaggy and fossiliferous.

NEOPROTEROZOIC

Marinoan

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WEATHERING & EROSION

Heavy weathering and erosion has left a small part of the outcrop visible over Hawker, 

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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. 

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