Logminer archived redo logs in other database
Yes. If you read the documentation it clearly states:


  There are four basic objects in a LogMiner configuration that you
  should be familiar with: the source database, the mining database, the
  LogMiner dictionary, and the redo log files containing the data of
  interest:
  
  
  The source database is the database that produces all the redo log
  files that you want LogMiner to analyze.
  The mining database is the database that LogMiner uses when it
  performs the analysis.