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Toxic and Essential Trace Elements in New England Soils and Rocks

Fri, February 22nd, 2019
3:00 pm
- 4:30 pm

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The Geosciences Dept and class of 60’s Scholar Program will host a lecture by Dr. Justin Richardson, UMass, Amherst. He will be speaking on “Toxic and Essential Trace Elements in New England Soils and Rocks.”

Dr. Richardson investigates metals and metalloids in the Critical Zone, which is the zone from the tops of the trees down to the bottom of the groundwater. Metals and metalloids can serve as nutrients but may also be toxic to humans and wildlife, depending on their chemical properties and concentrations. His research addresses three biogeochemical topics: the transport of pollutant trace metals (e.g. lead, mercury) to determine human inputs and the natural processes that promote their sequestration; the mechanisms that control accumulation and bioavailability of macro and micronutrient metals; and he uses metals and metalloids to quantify biogeochemical changes during soil formation and ecosystem disturbances.

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