44359368
9781533509000
Mr Ricardo A Valls P.Geo. is the author of 'The Role of Manganese as a Controller for Gold Mineralization in the Serpentinites of the San José de las Malezas Gold-Quartz Deposit in Santa Clara, Villa Clara, Cuba.', published 2016 under ISBN 9781533509000 and ISBN 153350900X.
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