Lebo Member

{{Short description|Geological formation in Montana, United States}}

{{Infobox rockunit

| name = Lebo Member

| image =

| caption =

| type = Member

| age = Paleogene

| period = Paleogene

| prilithology = Shale, mudstone

| otherlithology = Sandstone, siltstone, coal

| namedfor = Lebo creek, Montana

| namedby =

| region = Montana, Wyoming

| country = United States

| coordinates =

| unitof = Fort Union Formation

| subunits =

| underlies = Tongue River Member

| overlies = Tullock Member

| thickness = {{convert|500|-|1700|ft|m}}{{Cite web |last=Law |first=B.E. |date=1975 |title=Isopach map of the Lebo Shale Member, Fort Union Formation |url=https://pubs.usgs.gov/of/1976/0176/plate-1.pdf |access-date=2025-06-02 |series=Open File Report |doi=10.3133/ofr76176}}

| extent =

| area =

| map =

| map_caption =

}}

The Lebo Member is a geologic member of the Fort Union Formation in Montana and Wyoming.{{Cite Q| Q62118849}} It preserves fossils dating back to the Paleogene period.{{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= ((Various Contributors to the Paleobiology Database))|url= https://www.fossilworks.org|access-date= 17 December 2021}}