Geology: Tiny zircon crystals help trace the birth of the mighty
Mississippi By Dale Gnidovec, The Columbus Dispatch, Nov 11, 2018
https://www.dispatch.com/news/20181111/geology-tiny-zircon-crystals-help-trace-birth-of-mighty-mississippi
Potter-McIntyre, S.L., Breeden, J.R. and Malone, D.H., 2018. A
Maastrichtian birth of the Ancestral Mississippi River system:
Evidence from the U-Pb detrital zircon geochronology of the
McNairy Sandstone, Illinois, USA. Cretaceous Research.
Volume 91, November 2018, Pages 71-79
https://www.sciencedirect.com/science/article/pii/S0195667117305414
Yours,
Paul H.