Honghuayuan Formation

Geology

Members: unnamed (32)

Lithologies: mudstone (1), "shale" (5), lime mudstone (4), grainstone (2), "reef rocks" (2), "limestone" (25), dolomite (2), "carbonate" (2), chert (4)

Paleoenvironments: peritidal (1), shallow subtidal indet. (16), sand shoal (2), reef, buildup or bioherm (5), deep subtidal shelf (7), offshore shelf (1)

Age range: base of the Arenig to the top of the Tremadoc or 478.60000 to 477.70000 Ma
Collections

Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7China (Anhui) (80137)
Tremadoc486.5 - 477.7China (Hubei) (61726 61728)
Arenig478.6 - 466.0China (Guizhou) (4768 4769 5266 5272 5273 7386 7635)
Arenig478.6 - 466.0China (Hubei) (4724 4726 7724 154775 154777)
Arenig478.6 - 466.0China (Sichuan) (5414 5415 5416 5419 7650 7663 7671)
Arenig478.6 - 466.0China (Hunan) (7693)
Arenig478.6 - 466.0China (Hunan and Hubei) (7718)
Arenig478.6 - 466.0China (JiangSu) (7878 7922 7924 7925 7941)
Arenig478.6 - 466.0China (AnHui) (7830 7845 7856)