121 Summary — Physical Geology – 2nd Edition
![](https://pressbooks.ccconline.org/physicalgeology/wp-content/uploads/sites/15/2021/09/question-13.png)
Figure A
What are drop stones, and under what circumstances are they likely to form?
What types of glacial sediments are likely to be sufficiently permeable to make good aquifers?
Media Attributions
- Figure A: © Steven Earle. CC BY.
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