What is another word for Old Red Sandstone?
Pronunciation: [ˈə͡ʊld ɹˈɛd sˈandstə͡ʊn] (IPA) 
Old Red Sandstone is a geological term used to describe a type of sedimentary rock formed during the Devonian period of Earth's history, around 416 to 359 million years ago. This specific type of rock is characterized by its distinctive red color, which is caused by the presence of iron oxide deposits within the rock. Synonyms for Old Red Sandstone can include Devonian Sandstone, Red Bed Sandstone, and Red Sandstone Formation. Other possible names for this type of rock may vary depending on the region where it is found, and specific geological characteristics. Despite the variations in names and region-dependent characteristics, Old Red Sandstone is an important rock type that can provide insight into the geological history of our planet.
