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Chemical analysis of manganese nodules and crusts from the Romanche trench ar...
Manganese nodules and manganese crusts covering basalt or volcanic breccia rocks have been analysed using various methods. Energy dispersive X-Ray analysis (EDAX)was used for... -
(Tables 1-2, page 5) Major, trace and rare earth elements geochemistry of Fe ...
The total amount of Fe (hydroxide+sulfide) is expressed in terms of Fe2O3.From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal... -
Annotated record of the detailed examination of Fe hydroxide-sulfide deposits...
From 1983 until 1989 NOAA-NCEI compiled the NOAA-MMS Marine Minerals Geochemical Database from journal articles, technical reports and unpublished sources from other... -
Geochemistry on pryite concretions from the Romanche Trench
Pyrite concretions a few centimeters in diameter were recovered from within the east-west valley of the Romanche fracture zone (equatorial Atlantic). Unconsolidated sediments...
