- ice streams
- Lineaments of ice flowing within a glacier which, if they encounter one another, do not mix. River inflow streams eventually mix, although they may remain discrete in their early encounter. Ice streams gouge out their bases and carry till. The sides of ice streams may be marked by lateral moraines and where two streams flow, there may be medial moraines of till dividing the ice streams. Ice streams may reach the terminus; or may melt away before then, leaving lobate terminal moraines.
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