Horst and graben systems ( faults )
5 important questions on Horst and graben systems ( faults )
Which are lower? Horsts or grabens?
What benefit could outcrops have for human relaxation? Explain why this happens geologically.
What are characteristics of horst and graben systems (faults) in unconsolidated rocks with important consequences for GW - name 3.
- Layers with different conductivity next to each other (e.g. high next to low)
- Flexure fine grained material
- Fe and Mn precipitation
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What are characteristics of horst and graben systems (faults) in consolidated rocks with important consequences for GW flow?
FAULTS INCREASE CONDUCTIVITY IN CONSOLIDATED ROCKS
o increased fractures
o stronger karstification ( limestones )
What could be contamination issues as a result of hydrogeological properties of faults (e.g. As Victor studied in Greece)
- Nitrate from farming infiltrating aquifers along faults
- Salinity upconing along faults from saline intrusion
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