A Consistently High‐Latitude South China From 820 to 780 Ma: Implications for Exclusion From Rodinia and the Feasibility of Large‐Scale True Polar Wander

The Tonian supercontinent Rodinia is hypothesized to have included almost all Proterozoic continental blocks. Competing models variably place South China at the core or periphery of separated from it entirely. paleogeographic also vary in whether they incorporate large and rapid oscillatory true polar wander associated with ca. 810–795 Ma Bitter Springs Stage. Here, we present paleomagnetic data paired U-Pb chemical abrasion isotope dilution thermal ionization mass spectrometry zircon geochronology Xiajiang Group establish craton's position test Stage hypothesis. Fine-grained siliciclastic sediments ashes post-date Jiangnan Orogeny, which united Yangtze Cathaysia A date 815.73 ± 0.18 a tuff near base constrains Orogeny ended between 830 816 Ma. geochronologic constrain high latitudes 813 indicate relatively stable high-latitude 821 805 These constraints either connect craton along its disconnect difference pole pre-Bitter syn-Bitter Madiyi Formation significantly less than that predicted for If this interpreted as superimposed upon differential plate motion, requires been separate Rodinia.