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ield Trip Summary
Title: “Greatest Hits” Outcrops of the Champlain Valley Belt of West-Central Vermont
Leaders: Jon Kim.- Vermont Geological Survey (23 years) & Keith Klepeis- University of Vermont Geology Dept. (22 years)
Date: September 15, 2019; 8:00 am – 4:00 pm
Description: This trip will visit some of the most spectacular outcrops in the Champlain Valley for teaching geology to undergraduate students. Not only will we review the original interpretations for each outcrop, but also discuss our recent work with stu- dents. We will go to: the Champlain Thrust at Lone Rock Point, the Hinesburg Thrust at Mechanicsville, the Oven in North Ferrisburgh, Mt. Philo State Park, the Shelburne boat access area, and thrust faults at Shelburne Farms.
Title: Operating Mines/Quarries in the Vermont Valley Leader: Lance Mead, CPG Date: September 15, 2019; 9:00 am – 5:00 pm
Since graduating as a geology major from the University of Vermont (1962), Lance has
been associated with various geological issues related to the extractive mineral industries in Vermont. He joined the then Vermont Marble Company’s quarry department when the dimension stone sector was supplying finished marble to major buildings in the U.S. This also was the time that inert mineral fillers were being developed for expanded usage in paint and plastics, and the Vermont Marble subsidiary, White Pigment Corp, was developing into being a leading supplier of calcium carbonate. Lance went from field geology, mine/operational geologist and manager of geological services to quarry and mine management positions.
Description: Mining and quarrying activities have been an “economic engine” since the mid-18th century in the Green Mountain State. Copper and iron minerals were mined and beneficiated for local consumption and some export during the 19th century. Processed kaolin, talc and asbestos minerals were beneficiated and rail shipped throughout the northeast and beyond. Marble, granite and slate production boomed during the 20th century. This field trip will travel down the Champlain Valley to the Vermont valley where the Columbian unit of the Shelburne formation has been folded into varying thicknesses on the east limb of the Middlebury Synclinorium. This marble still is a leading source of world famous dimension stone from the Danby Quarry
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4 TPG •
Apr.May.Jun 2019
www.aipg.org
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