Describing Chalk & clay G1
- Created by: geography unit 1
- Created on: 17-04-14 20:15
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- Describing chalk & clay
- Chalk
- white, hard but permeable
- porous, brittle
- formed in upland areas
- made of calcium carbonate
- Clay
- impermeable
- weak, less resistant
- river easily erode clay
- formed flat, low ground called vales
- Chalk
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