Pielach Formation

{{Short description|Geologic formation in Austria}}

{{Infobox rockunit

| name = Pielach Formation

| image =

| caption =

| type = Formation

| age = Chattian (late Kiscellian-early Egerian)
{{fossil range|28.4|23}}

| period = Chattian

| prilithology = Mudstone, sandstone

| otherlithology =

| namedfor = Pielach

| namedby =

| region = Lower Austria

| country = Austria

| coordinates = {{coord|48.2|N|15.2|E|display=inline,title}}

| paleocoordinates = {{coord|46.2|N|14.0|E|display=inline}}

| unitof =

| subunits =

| underlies = Melk Formation

| overlies = Basement

| thickness =

| extent =

| area =

| map = {{Location map+ | Austria

| relief = 1

| width = 250

| float = center

| places =

{{Location map~ | Austria

| lat_deg = 48.2

| lon_deg = 15.2

| mark = Orange ff8040 pog.svg

| marksize = 10

}}

}}

| map_caption =

}}

The Pielach Formation is a geologic formation in Lower Austria, Austria. It preserves fossils dating back to the Chattian stage (late Kiscellian to early Egerian) of the Oligocene period. The formation unconformably overlies basement rock, and is overlain by the Melk Formation.