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NEW YORK
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PALEONTOLOGICAL SOCIETY
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MEETING ANNOUNCEMENT
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APPLICATION OF U-PB DATING OF CARBONATES TO IMPROVE AGE CONSTRAINTS ON THE STRATIGRAPHIC RECORD Dr. E. Troy Rasbury Professor, Department of Geosciences, Stony Brook University, Stony Brook, New York Sunday, March 16, 2025 2:00 P.M.
THIS MEETING WILL BE HELD ONLINE
While volcanic ashes are abundant in the rock record, they are not recognized in all strata leaving much of the rock record undated. In the marine realm techniques such aschemostratigraphy can improve correlations and thus can allow extrapolation to dated horizons. U-Pb dating of carbonates has the potential to fill these dating gaps but as we all know, carbonates are susceptible to dissolution and alteration. My research has focused on developing methods for screening carbonates for U-Pb dating. In the last ten years there has been an explosion of studies using U-Pb dating of carbonates with Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA ICPMS). I will share some of the work that my students and I have done that bears on the development of the technique and the applications to stratigraphic records.
N.Y.P.S. MEETING DATES FOR THE YEAR These are the meeting dates of the New York Paleontological Society for the 2024-2025 season. We normally meet at 2:00 P.M. in a room at the American Museum of Natural History in New York City (79th Street and Central Park West). However, due to policy changes and new construction, the Museum is unable to assign any rooms for meetings for any groups at this time. Exactly when the Museum will allow groups like our Society to reserve rooms is uncertain. But, since room availability may change, it has been decided to hold online meetings on the regular dates and times so that the schedule remains the same whether the meeting is in a room or online. One advantage of online meetings is that they will be recorded so members who can’t attend at the meeting time can view the whole meeting afterwards at their convenience.
Our Annual Party would normally be held at the NYU Tandon School of Engineering in Brooklyn, but new construction may effect the availability of a large enough venue space. Note, due to the nature of the party (many tables, events, talks and wonderful food), this event cannot be held online.
As of this writing, all of the dates this year are on the third Sunday of the month, except April’s. Also, our Annual Holidays Party would be held if possible on a Saturday (the date to be determined), but, again, the available venue space and rules may effect this event. The dates are as follows:
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