Big Head Formation

{{Short description|Geologic formation in Newfoundland, Canada}}

{{Infobox rockunit

| image =

| caption =

| type = Formation

| period = Ediacaran

| age = Ediacaran

| prilithology = Gren-red Arkose{{cite web|url = https://www.gov.nl.ca/iet/files/88-01.pdf |title=GEOLOGY OF THE AVALON PENINSULA, NEWFOUNDLAND}}

| otherlithology = Conglomerate

| namedfor =

| namedby =

| region = {{Flag|Newfoundland}}

| country = {{Flag|Canada}}

| coordinates =

| unitof = Musgravetown Group

| subunits =

| underlies = Maturin Ponds Formation

| overlies = Bull Arm Formation

| thickness = 460-2130 m

| extent =

| area =

| map = Big Head Formation map.svg

| map_caption = Occurrence of the Big Head Formation in southeastern Newfoundland

}}

The Big Head Formation is a formation cropping out in Newfoundland.

It consists of gray to red arkose sandstone, alongside a granulated conglomerate.