User:Bahudhara/gallery/geology

Geological

Coastal

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  Port Noarlunga Reef at low tide, view to S from the jetty
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  Tennyson Dunes in spring, looking S from the viewing platform
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  Sea foam at West Beach after a storm and following decay of an algal bloom, 1 October 1996
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  Accumulation of detrital seagrass wrack (Posidonia australis) at the West Beach Boat Harbour, 30 June 2014

Ediacaran

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  The 'golden spike' (GSSP) marking the base of the Ediacaran Period; Brachina Gorge, Flinders Ranges NP
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  Elatina Fm diamictite below Ediacaran GSSP site in the Flinders Ranges NP.
  A$1 coin for scale.

Opal fossils at the South Australian Museum

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  Precious opal replacing calcite of bivalve shells,
  from Coober Pedy
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  Precious opal replacing Ichthyosaur backbone
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  Display panel for the opalised Addyman Plesiosaur fossil,
  from Andamooka
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  Display of the opalised Addyman Plesiosaur fossil,
  from Andamooka
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  Rear view of the opalised Addyman Plesiosaur fossil,
  from Andamooka

Selwyn Rock, Inman Valley

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  Interpretive sign at Selwyn Rock marking Selwyn's discovery of glaciation in Australia
  
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  Overview of Selwyn Rock - exhumed Permian glacial pavement
  
  
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  Selwyn Rock - grooves and striations on exhumed Permian glacial pavement
  
  
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  Selwyn Rock - grooves and striations on exhumed Permian glacial pavement
  
  
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  Selwyn Rock - granite glacial erratic eroding out of unconsolidated Permian till
  
  
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  Selwyn Rock - weathering rind of large granite glacial erratic eroding out of unconsolidated Permian till
  
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  Selwyn Rock - faceted pebble eroding out of unconsolidated Permian till