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It appears that people can find Plio‐Pleistocene microtektites associated with and inside closed clams of the Upper Tamiami Formation (Pinecrest beds) of Florida. Maybe enterprising fossil collectors and citizen scientists could look for and find microtektites in other outcrops of Pinecrest beds. The paper is: Meyer, M., Harries, P.J. and Portell, R.W., 2019. A first report of microtektites from the shell beds of southwestern Florida. Meteoritics & Planetary Science. https://onlinelibrary.wiley.com/doi/abs/10.1111/maps.13299 Blog post about micrometeorites in your house gutter Can you Really Find Micrometeorites in Your Gutter? Well... Phil Plait, Bad Astronomy. May 16, 2019 https://www.syfy.com/syfywire/can-you-really-find-micrometeorites-in-your-gutter-well Flecks of Extraterrestrial Dust, All Over the Roof The New York Times, By By William J. Broad https://www.nytimes.com/2017/03/10/science/space-dust-on-earth.html Genge, M.J., Larsen, J., Van Ginneken, M. and Suttle, M.D., 2017. An urban collection of modern-day large micrometeorites: Evidence for variations in the extraterrestrial dust flux through the Quaternary. Geology, 45(2), pp.119-122. Open access https://pubs.geoscienceworld.org/gsa/geology/article/45/2/119/195213/an-urban-collection-of-modern-day-large Yours, Paul H.