Mound Spring
Geological Age - uncertain (~10,000yrs)
Mound Springs are a key feature of the Oodnadatta Track region
and there are literally hundreds of them scattered between Marree
and Oodnadatta.
This photo shows the classic shape of a mound spring. It is formed
when artesian water leaks to the surface and evaporates away leaving
dissolved salts behind. These salts accumulate rapidly and form
a hard limestone "mound" that is often topped with moist
soil, vegetation and perhaps a pool of permanent water.
Some mound springs such as the "Bubbler" in the Wabma
Kadarbu Reserve have a very strong flow.
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Classic mound spring shape (near William Creek)
Photo - Philip Gee |
