Record Display for the EPA National Library Catalog
RECORD NUMBER: 7 OF 10
|OLS Field Name||OLS Field Data|
|Main Title||Rare-earth mineral deposits of the Mountain Pass district, San Bernardino County, California /|
|Author||Olson, J. C. ; Olson, Jerry Chipman,|
|Publisher||U.S. Govt. Print. Off.,|
|Subjects||Rare earths. ; Geology--California--San Bernardino County. ; Mines and mineral resources--California--San Bernardino County. ; Mines and mineral resources--California--History.|
|Collation||75 pages : illustrations, maps (some color) ; 29 cm.|
Part of the illustrative matter folded in pocket. Includes bibliographical references (pages 64-65).
A geologic study of the district and its rare-earth-bearing carbonate rocks. One deposit, the Sulphide Queen carbonate body, is the greatest concentration of rare-earth minerals now known. Some data are given on radioactive minerals, principally thorite and monazite.