Oil-impregnated sandstone between Dirty Devil and Colorado and Green Rivers Garfield and Wayne Counties, Utah

This paper presents the results of two months of field work done as a part of the Utah Geological Survey's continuing inventory of the mineral resources of the state of Utah. Prior to this field work. Survey field parties had worked in the area intermittently in 1967 and 1968 laying the ground work for this more comprehensive study. The Utah Geological Survey has recently coined the name "Tar Sand Triangle" to describe the area lying between the Dirty Devil and Green and Colorado Rivers within which a great abundance of oil impregnated outcrops are found.