- the
seabed of the deep sea. The main ores of
commercial interest are
polymetallic nodules,
which are
found at
depths of 4–6 km (2.5–3.7 mi)
primarily on...
-
Polymetallic nodules, also
called manganese nodules, are
mineral concretions on the sea
bottom formed of
concentric layers of iron and
manganese hydroxides...
-
Polymetallic ores or
multimetal ores are
complex ores
containing a
number of
chemical elements,
among which the most
important are lead and zinc. In addition...
-
species richness and high
species rarity within the CCZ. It
seems that
polymetallic nodules in the region, the
target of much deep-sea mining, are crucial...
- The Peñasquito
Polymetallic Mine is the
fifth largest silver mine in the
world and the
second largest in Mexico. It is
located in north-eastern corner...
- A
polymetallic replacement deposit, also
known as
carbonate replacement deposit or high-temperature carbonate-hosted Ag-Pb-Zn deposit, is an
orebody of...
- from
Polymetallic Nodules". Minerals. 10 (4): 360. Bibcode:2020Mine...10..360S. doi:10.3390/min10040360.
International Seabed Authority. "
Polymetallic Nodules"...
- ISBN 0-600-36263-9. K****ianidou, V. 2003.
Early Extraction of
Silver from
Complex Polymetallic Ores, in Craddock, P.T. and Lang, J (eds)
Mining and
Metal production...
-
granted 31
exploration licenses so far: 19 for
polymetallic nodules,
mostly in the CCZ; 7 for
polymetallic sulphides in mid-ocean ridges; and 5 for cobalt-rich...
- "Regional
differences in
sediment oxygen uptake rates in
polymetallic nodule and co-rich
polymetallic crust mining areas of the
Pacific Ocean". Deep Sea Research...
