The U.S. Geological Survey (USGS) is seeking quotes from small businesses for mineral separation analyses and geochronology services as part of a combined synopsis/solicitation. The procurement involves extracting and analyzing mineral separates from bulk rock samples, specifically focusing on apatite and zircon, and includes various types of thermochronology and geochronology analyses. These services are crucial for advancing scientific research in regional geology and mineral resource studies, with the contract period estimated from May 1, 2025, to September 30, 2029. Interested parties must submit their quotes electronically by April 15, 2025, and can contact Elizabeth Adam at eadam@usgs.gov or (916) 278-9441 for further information.