| Reference | {Deposit:: MINING ANNUAL REVIEW, JUNE 1971, P. 430}{Deposit:: VARENTSOV, I.M., SEDIMENTARY MANGANESE ORES. ELSIVIER, AMS-}{Deposit:: -TERDAM. 1964, P. 4.}{Deposit:: ALEXANDROV, E.A., PROBLEMS OF GENESIS OF SEDIMENTARY MANGAN-}{Deposit:: -ESE DEPOSITS. PHD DISS. COLUMBIA UNIV., NEW YORK. 1965,}{Deposit:: PP. 3, 24, 26, 30.}{Deposit:: METAL BULLETIN. JULY 15,1993.}{Deposit:: COMOD SPEC. REPORT, 1997 DATA FORM 1995.} |