共 8 条
[1]
COUSINS CA, 1964, GEOLOGY SOME ORE DEP, V2, P223
[2]
FERINGA G., 1959, T GEOL SOC S AFR, V62, P219
[3]
HESS HH, 1960, 80 GEOL SOC AMER MEM
[4]
HOWLAND AL, 1949, 948C US GEOL SURV B, P63
[5]
HOWLAND AL, 1936, 7 STAT MONT BUR MIN
[6]
JACKSON ED, 1961, 358 US GEOL SURV PRO
[8]
Schmidt E.R., 1952, S AFR J GEOL, V55, P233