FIGURE 4. Gaozhuang Formation at YS50, 0.6 km east of Nan Zhuang Gou. Will Downs stands at fossiliferous sand unit. Kodachrome slide by L. Flynn 1987.
|
|
FIGURE 4. Gaozhuang Formation at YS50, 0.6 km east of Nan Zhuang Gou. Will Downs stands at fossiliferous sand unit. Kodachrome slide by L. Flynn 1987.
|