User:Bahudhara/gallery/geology

Port Noarlunga Reef at low tide, view to S from the jetty

Tennyson Dunes in spring, looking S from the viewing platform

Sea foam at West Beach after a storm and following decay of an algal bloom, 1 October 1996

Accumulation of detrital seagrass wrack (Posidonia australis) at the West Beach Boat Harbour, 30 June 2014

The 'golden spike' (

Elatina Fm .
A$1 coin for scale.

Precious opal replacing calcite of bivalve shells,
from Coober Pedy

Precious opal replacing backbone

Display panel for the

Display of the

Rear view of the

Interpretive sign at Selwyn Rock marking Selwyn's discovery of glaciation in Australia

Overview of Selwyn Rock - exhumed Permian glacial pavement

Selwyn Rock - grooves and striations on exhumed Permian glacial pavement

Selwyn Rock - grooves and striations on exhumed Permian glacial pavement

Selwyn Rock - granite glacial erratic eroding out of unconsolidated Permian till

Selwyn Rock - weathering rind of large granite glacial erratic eroding out of unconsolidated Permian till

Selwyn Rock - faceted pebble eroding out of unconsolidated Permian till