A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

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Figure R9 Cross-section diagram of groundwater aquifers in the southern part of the Murray–Darling Basin region Sedimentary and alluvial aquifers are the most important sources for groundwater supply; ...

An example of aquifers across the southern basin of the Murray–Darling Basin is shown in Figure R10. Figure R10 Cross-section diagram of groundwater aquifers in the southern part of the Murray–Darling ...