..., an extensive exploration campaign will verify its potential. Best practice and reliable, efficient tools for mineral resource estimation of massive sulfide deposits in the deep sea have to be established yet. Therefore, a new seabed exploration system is in development. Various challenges are caused...

... the form of polymetallic nodules on the seabed, cobalt rich ferromanganese crusts on seamounts and ridges swept clean of sediment accumulation, and seafloor massive sulfides formed by hydrothermal systems at geologic plate spreading centers and volcanic margins. Each of these mineral deposits form...

... the importance of this subject. Relatively simple provisions can be added to the design to allow the production facilities to operate safely during its design life. enhanced recovery hydrogen sulfide offshore field reservoir souring waterflooding concentration seawater offshore technology...

... Abstract High temperature hydrothermal activity was first observed 30 years ago in the modern oceans where hot springs are precipitating sulfide-sulfate-silica mounds and columnar edifices (" chimneys??) of calcium, barium, iron, copper, zinc, lead, silver and gold with other minor elements...

... chemosynthetics. Direct sediment sampling is underutilized for assessing chemosynthetic potential. Sulfides and methane in sediments are nutrients for microfauna which then feed macrofauna, forming the chemosynthetic community. Deepwater operators desiring to minimize exploration/production impacts...

... ABSTRACT Ocean Minerals Company (OMCO), a deep seabed mining consortium has, through its general contractor, Lockheed Advanced Marine Systems, analyzed massive marine sulfide samples from three sites on the Juan de Fuca Ridge, one site on the East Pacific Rise (near 2PN), and one site...

... Abstract The largest ocean floor poly-metallic sulfide deposit found to date contains several million tons of sulfide ore and has been thoroughly mapped and sampled along a marginal fault system of the Galapagos Rift valley. SASS multibeam bathymetric data together with bottom traverses...

... ABSTRACT An acid leaching process of Pacific ocean nodules has been studied. Nodules were leached with 0.1-3.5 N sulfuric acid at 70-90°C for 2-30 hours. Kinetics of copper and nickel extraction was discussed. Nickel and cobalt were recovered from the leaching solutions with hydrogen sulfide...

... along the western continental margins of Africa and South America. sulfide reservoir characterization brine pool ii ferous mud deposit brine upstream oil & gas hydrosilicate ooze operation sediment metalliferousmud atlantis ii cruise discovery marine environment narrow...