1. Geology of the Goldmine Creek area, Llano County, Texas;Anderton,1972
2. Field excursion, eastern Llano region;Barnes;Texas Univ. Bur. Econ. Geol. Guidebook,1958
3. Precambrian rocks of Llano region;Clabaugh;Texas Univ. Bur. Econ. Geol., Guidebook,1972
4. Chemical evolutionary trends of continental plates—a preliminary study of the Canadian shield;Eade;Bull. Geol. Surv. Can.,1971
5. Regional, lithological and temporal variation in the abundances of some trace elements in the Canadian shield;Eade;Geol. Surv. Can. Paper 72-46,1973