MIDDLEBURY — The massive railroad tunnel construction project in the downtown has dug deep into Middlebury’s bedrock, exposing a deep-seated geology that most of us rarely — if ever — think about. Turns out, these rocks that we can now see formed in a much different environment hundreds of millions of years ago and reveal an interesting story of tropical days and shifting plate tectonics. This is an elementary review of the type of rock that underlies Middlebury, including some of what workers are blastin … (read more)
