It exposed the harder bedrock of West Rock (now covered in some places by a thin soil made by the soil building processes of water, weather and plants since the glacier melted).
(It; exposed; the harder bedrock of West Rock) (West Rock; covered; in some places; T:now) (a thin soil; made; by the soil building processes of water, weather and plants)
It West Rock a thin soil
exposed covered made
the harder bedrock of West Rock
in some places T:now
by the soil building processes of water, weather and plants