Balang Formation

{{Short description|Geological formation in China}}

{{Infobox rockunit

| image = Balang_Isoxys_fossil.png

| caption = An Isoxys specimen from the Balang Formation.

| type = Geological formation

| period = Stage 4

| country = China

| prilithology = Shale, Calcareous mudstone

| otherlithology = Limestone, Siltstone

|age={{fossilrange|Cambrian Stage 4}}

| thickness = {{convert|100|m|ft|abbr=on}} to {{convert|658|m|ft|abbr=on}}

|name=Balang Formation

}}

The Balang formation, is a Cambrian Period geological formation, which outcrops in western Hunan and eastern Guizhou in southern China. It contains Burgess Shale-type soft-bodied fossils. It is intermediate in age between the Chengjiang and Kaili lagerstatten. It contains a low diversity of trilobites.{{Cite journal |last1=Liu |first1=Q. |last2=Lei |first2=Q. |year=2013 |title=Discovery of an exceptionally preserved fossil assemblage in the Balang Formation (Cambrian Series 2, Stage 4) in Hunan, China |journal=Alcheringa: An Australasian Journal of Palaeontology |pages=1 |doi=10.1080/03115518.2013.764663}}{{Cite journal |last=Liu |first=S. |last2=Peng |first2=J. |last3=Wen |first3=R. |last4=Liang |first4=B. |date=2018-06-30 |title=New data for Isoxys of the Balang Fauna (Cambrian Stage 4), South China |url=http://www.geology.cz/bulletin/contents/art1673 |journal=Bulletin of Geosciences |language=en |pages=147–162 |doi=10.3140/bull.geosci.1673 |issn=1802-8225|doi-access=free }}