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Town Analyses > South Burlington > Surficial Geology
Surficial Geology
The bedrock of South Burlington is overlain by till, a mix of rock from clay-sized particles to car-sized boulders that were bulldozed across the land at the base of the ice sheet that covered all of New England until about 15,000 years ago. This till was deposited on the terminal moraine (the edge of the glacier) when the ice sheet melted northward. Till represents a great hazard to plows and so most farm fields were cleared of rocks before plowing. In old fields using for grazing during the sheep era in Vermont, till was collected from field and stacked as rock walls to keep livestock in. In fields were tilling would have taken place, the farmer would have taken more care to remove smaller rocks. Stone walls along these fields contain much smaller sized till. Till can also be easily observed along stream banks where water has cut into the soil or where fallen trees have uprooted a large chunk of the soil.
East Fork of Seeley Brook
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Hinesburg Rd. Stormwater Utility
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Potash Brook
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Looking to the Scott Parcel
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Leduc/Bandel
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Shelburne Pond
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Potash Stormwater Utility
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Small Tributary to Seeley
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Potash Brook Headwaters
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Brownell Mt.
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Seeley
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Potash Mouth
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Airport
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Mansfield
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Old Sugar
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Bandel Marsh
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Muddy Brook Wetland Reserve
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Black Ash Swamp
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Great Swamp
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Large Vernal Pool
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Muddy Brook Reserve
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Muddy Brook
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Tributary of Potash
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Great Swamp Development
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Muddy Brook South Burlington
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Water Tower
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Spring
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cross bedded rock, glacial erratic? 5
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porcupine spring, fizzy rocks 5
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cross bedded rock, glacial erratic? 5
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porcupine spring, fizzy rocks 5
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small cliff/outcrop and open grown sugar maple in the back ground
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