Locality	Layer
	USA, Arkansas, Izzard Co., Tate Spring, 600 feet NE of	St. Joe Limestone of Boone Formation
	USA, Kansas, Cherokee Co., Ballard, 1mile SW of Baxter Springs	Grand Falls Chert of Boone Formation
	USA, Utah, Tooele Co., Delle Phophatic Mb. in S Lakeside Mts.	Woodman Form., Delle Phophatic Mb.
	USA, Utah, Tooele Co., Flux	Deseret Form., Delle Phophatic Mb.