The strength of the Mesoproterozoic geomagnetic field: new absolute paleointensity estimates from ~1.1 billion-year-old Midcontinent Rift volcanics

Courtney Jean Sprain, University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, Nicholas Swanson-Hysell, University of California Berkeley, Earth and Planetary Science, Berkeley, CA, United States, Luke M Fairchild, University of California Berkeley, Earth and Planetary Science, Berkeley, United States and Kevin M Gaastra, University of California Berkeley, Berkeley, CA, United States