DUKE GEOLOGICAL LABORATORY
Geological Wonders of the World Trade Center Site
Saturday, 21 May 2011; 2:30 PM
Franklin Mineral Society
Free Admission and Refreshments
Bring Ripe Fruit for Throwing!
Join Professor Charles Merguerian of Hofstra’s Geology Department and Duke Geological Laboratory for a lecture on the unique geological discoveries made during excavation for the World Trade Center site in southern Manhattan. Visits to the site during blasting and construction and study of themapping and collected samples has allowed a new interpretation to emerge concerning the bedrock geological development of NYC. In addition, new insights into the timing and effects of glaciation including the development of giant plunge pools within the top of rock have been discovered. Come see and hear how the new construction effort in Manhattan has offered a treasure trove of new geological information that has changed the way we interpret the geology of New York City and vicinity.
Dr. Merguerian is recognized as the leading authority on the geologic structure and tectonics of New York City and vicinity. He is Chairman and Professor of Geology at Hofstra University in Hempstead, NY and Director of Duke Geological Laboratory in Westbury, NY. Merguerian has gathered nearly 40 years of professional experience in geologic mapping and structural analysis of complexly deformed metamorphic terrains, plutonic- and volcanic districts, and areas underlain by sedimentary- and glacial strata throughout the United States. Since 1972, he has performed pure- and applied research and has published over 190 geological maps, papers, technical reports, field guides, and abstracts from such widely separated areas as southeastern New York and New York City, New Jersey, western Connecticut and Massachusetts, central and southern California, Wyoming, Arizona, Nevada, and Hawaii.
In the past decade Merguerian’s research efforts have focused on field- and tunnel mapping and laboratory research on the subsurface structure of New York City and vicinity. As a consultant, he has concentrated on geologic mapping of tunnels bored by tunnel boring machines (TBM) and by traditional drill and blast methods. This work has paved the way for more efficient tunneling and excavation of rock in the New York City area and has opened the field for municipal mega-construction projects including water, utility, and transportation tunnels.
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