The succession ends with the badly layered Ansobell Formation ( 20 to 300 m ), dark schists that bear microconglomerates indicating a glaciomarine depositional environment.
2.
As icebergs calved off the toe of the glacier, their embedded gravels and boulders were deposited in the chaotic mix of unsorted till geologists call " glaciomarine drift ."
3.
In the glaciomarine environment, glacially-related deposits are interbedded with to those similar to those on non-glaciated tidal areas; the tidal environment will show undertow dominated fans.
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