@misc{indiciaee68b6e6d1504, title = {High spatial resolution U-Pb geochronology and Pb isotope geochemistry of magnetite-apatite ore from the Pea Ridge iron oxide-apatite deposit, St. Francois Mountains, southeast Missouri, USA}, author = {Leonid A. Neymark and Christopher S. Holm-Denoma and Aaron Pietruszka and John N. Aleinikoff and C. Mark Fanning and Renee M. Pillers and Richard J. Moscati}, year = {2016}, doi = {10.2113/econgeo.111.8.1915}, url = {https://pubs.usgs.gov/publication/70189249}, note = {Source identifier: 70189249} }