SCANDIUM 



571 



Norman, J. C, and Haskin, L. A., 1968, The geochemistry 

 of Sc — A comparison to the rare earths and Fe: Geo- 

 chim. et Cosmochim. Acta, v. 32, no. 1, p. 93-108. 



Parker, R. L., 1967, Composition of the earth's crust, chap. 

 D of Fleischer, Michael, ed.. Data of geochemistry (6th. 

 ed.) : U.S. Geol. Survey Prof. Paper 440-D, 19 p. 



Parker, R. L., and Havens, R. G., 1963, Thortveitite asso- 

 ciated with fluorite, Ravalli County, Montana, in Geologi- 

 cal Survey research 1963 : U.S. Geol. Survey Prof. 

 Paper 475-B, p. BlO-Bll. 



Phan, K. D., Foissy, B., Kerjean, M., Moatti, J., and 

 Schieltz, J. C, 1967, Le scandium dans les mineraux et 

 lies roches encaissants de certaines pegmatites mal- 

 gaches: Bur. Recherches Geol. et Minieres Bull., no. 3, 

 p. 77-97. 



Ross, J. R., and Rosenbaum, J. B., 1962, Reconnaissance of 

 scandium sources and recovery of scandium from uran- 

 ium mill solutions: U.S. Bur. Mines Rept. Inv. 6064, 

 16 p. 



Ross, J. R., and Sohack, C. H., 1965, Recovery of scandium 



from uranium plant iron sludge and from wolframite 

 concentrates: U.S. Bur. Mines Rept. Inv. 6580, 22 p. 



Taber, J. W., 1952, Crystal Mountain fluorite deposits, 

 Ravalli County, Montana: U.S. Bur. Mines Rept. Inv. 

 4916, 8 p. 



1953, Montana's Crystal Mountain fluorite deposit is 



big and high grade: Mining World, v. 15, no. 7, p. 43- 

 46. 



Vlasov, K. A., ed., 1964, Geochemistry of rare elements, v. 

 1 of Geochemistry and mineralogy of rare elements and 

 genetic types of their deposits (in Russian) : Moscow, 

 Publishing house "Nauka," 704 p., 1964; translated by 

 Israel Program for Scientific Translations, Jerusalem, 

 688 p., 1966. 



Weis, P. L., Armstrong, F. C, and Rosenblum, Samuel, 1958, 

 Reconnaissance for radioactive minerals in Washing- 

 ton, Idaho, and western Montana, 1952-1955: U.S. (Jeol. 

 Survey Bull. 1074-B, p. 7-48. 



U.S. Bureau of Minles, 1971, Scandium, in Minor metals: 

 Bur. Mines Minerals Yearbook 1970, preprint, p. 10-11. 



