Unit 32, Wufeng Fm., Upper Mbr., Yanheganxi and Yanhe, Guizhou Prov., China (Ordovician of China)
Where: Guizhou, China (29.0° N, 109.0° E: paleocoordinates 8.9° N, 128.6° E)
• local area-level geographic resolution
When: Lower Member (Wufeng Formation), Wufeng (449.5 - 443.7 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: submarine fan; lithified, gray mudstone and shale
• changed from "shale + shale" to "mudstone + shale" by JA
• greyish-white mudstone interbedded with graptolitic shale
Primary reference: R. Wang. 1981. Stratigraphic Summary of the Southwestern Region of China. Institute of Geology and Mine Deposit at Chengdu, Ministry of Geology (not published, copy of article deposited with A. I. Miller at the University of Cincinnati, received through S. Mao) 14-61 [A. Miller/P. Novack-Gottshall] more details
PaleoDB collection 4749: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 18.08.1999