Uluru mapping and describing the geological history of the area, geologists refer to the rock strata making up Uluru as the Mutitjulu Arkose, and it is one of many sedimentary formations filling the Amadeus Basin. Uluru is dominantly composed of coarse-grained arkose (a type of sandstone characterized by an abundance of feldspar) and some conglomerate. Average composition is 50% feldspar, 25–35% quartz and up to 25% rock fragments; most feldspar is K-feldspar with only minor plagioclase as subrounded grains and highly altered inclusions within K-feldspar. The grains are typically in diameter, and are angular to subangular; the finer sandstone is well
Circle of Ash haunted attraction Circle of Ash haunted attraction Circle of Ash haunted attraction is a haunted attraction near Central City, Iowa, which runs seasonally for Halloween. It was opened in 2000 as Canfield's Frightmare Forest. It grew from a small haunted trail to a event. It moved from its original location in a botanical preserve to an unused warehouse, and subsequently to its present location at the Linn County Fairgrounds. "Frightmare Forest" was a haunted trail attraction located to the northeast of Cedar Rapids, Iowa, which ran seasonally for Halloween. It was opened in 2000 by Chad Canfield as Canfield's Frightmare Forest, subsequently