Norfolk 100K map tile Groundwater Dependent Ecosystems (GDEs)
Mapsheet number 6559
Version 1.5
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Surface expression GDE (points)

Known GDE

Old Morestone
Surface ecosystems dependent on the surface expression of groundwater
Fractured rocks (rocks with predominantly secondary porosity)

Derived GDE - moderate confidence

Surface expression GDE (lines)

Derived GDE - high confidence

Derived GDE - low confidence

Surface expression GDE (areas)

81-100% GDE, known GDE

81-100% GDE, derived GDE - high confidence

81-100% GDE, derived GDE - moderate confidence

81-100% GDE, derived GDE - low confidence

01-80% GDE, derived GDE - high confidence

01-80% GDE, derived GDE - moderate confidence

01-80% GDE, derived GDE - low confidence

Terrestrial GDE

Subterranean GDE (caves)

Townley, KA et al. (1982) Lawn Hill Sheet SE54-09, 1:250 000 Geological Map Series Second Edition 1983, 1:250 000 Geological Series Explanatory Notes
Matthews P. (1985), Australian Karst Index (p4-4), ASF

Opik, AA, at al. (1968) Camooweal Sheet SE54-13, 1:253 440 4 Mile Geological Map Series First Edition Reprinted 1968
Matthews P. (1985), Australian Karst Index (p4-4), ASF

Bannink P. (2012), Doline karst feature interpreted from SPOT imagery,
Subsidence feature in the landscape indicates an underlying cave system

Townley, K.A. et al. (1982) Lawn Hill Sheet SE54-09, 1:250 000 Geological Map Series Second Edition 1983, 1:250 000 Geological Series Explanatory Notes

Townley, KA et al. (1982) Lawn Hill Sheet SE54-09, 1:250 000 Geological Map Series Second Edition 1983

Opik, AA, at al. (1968) Camooweal Sheet SE54-13, 1:253 440 4 Mile Geological Map Series First Edition Reprinted 1968

Derived GDE - unknown confidence

Potential GDE aquifer

Unconsolidated sedimentary aquifers

Consolidated sedimentary aquifers

Igneous rock aquifers

Metamorphic rock aquifers

Mixture of consolidated sedimentary, igneous and

or metamorphic rock aquifers

No identified aquifers