Wuyi Gr

"The Wuyi Gr is defined as the Late Jurassic acid-intermediate volcanic series unconformably underlying the Shixi Fm, and consists of the Daguding Fm and the Ehuling Fm." [quote from Li, Xianghui et al., 2019. "Refined chronostratigraphy of the late Mesozoic terrestrial strata in South China and its tectono-stratigraphic evolution", Gondwana Res. 66: 143-167. https://doi.org/10.1016/j.gr.2018.09.006]. Type region = Wuyi Mountain in Chong’an County, Fujian Province. Named by Wang H S, Lee C Y, 1930, Geological Reconnaissance along the Nanking-Nanping Section of the projected line from Nanking to Canton, Bull. Geol. Surv. China, (14): 7–11.

Synonym: Wuyi Fm

Alternating beds of volcanic rocks and clastic rocks

"The age distribution shows that the Daguding Fm, Ehuling Fm, and Shixi Fm of the Wuyi Gr were not continuously upward succeeded but prograded laterally in the Ganzhou Basin (see Section 5.1). The procedure of the progradation could be interpreted as follows: the Daguding Fm was firstly founded, and it is the representative of the earliest volcanic eruption for theWuyi Gr; the Ehuling Fm had been laterally and distally accumulated while the Daguding Fm was succeeded by the persistent volcanism; the Shixi Fm had thereafter been deposited and constructed with pyroclastics and sediments in a further distal basin far away fromcraters. The three formations show different contact relationship in the Xinjiang Basin, where the Daguding Fm may have been underlain by the Ehuling Fmand Shixi Fm, and the latter two formations were mostly coeval." [quote from Li, Xianghui et al., 2019. "Refined chronostratigraphy of the late Mesozoic terrestrial strata in South China and its tectono-stratigraphic evolution", Gondwana Res. 66: 143-167. https://doi.org/10.1016/j.gr.2018.09.006]