Bedrock And Boulder Mortars, Basins, Slicks, And Cupules In The Southern Southwest

Abstract

This article describes mortars, basins, slicks, and cupules created in bedrock and boulders in the Southern Southwest, and discusses the distribution and possible functions of these features. It defines the Southern Southwest as the region of the U.S. south of 34 degrees north latitude that includes the Califor­nia portion of the Lower Colorado River valley and southern portions of Arizona and New Mexico, and the portion of western Texas that includes El Paso, Hudspeth, Culber­son, Loving, Winkler, Ward, Reeves, and Jeff Davis counties (roughly the part of Texas from El Paso eastward just past the south­eastern corner of New Mexico, then south and south­westward to a point south of Fort Davis, then westward to the Río Grande).