- Ore is
natural rock or
sediment that
contains one or more
valuable minerals,
typically including metals,
concentrated above background levels, and that...
- m****ive
steeply dipping orebodies (typically low grade) with high friability. An
undercut with
haulage access is
driven under the
orebody, with "drawbells"...
-
through history.' The
chromium orebodies are
restricted to the
Peridotite zone of the
Ultramafic series. The
platinum group orebody is
located in the
lower part...
- slate, limestone, and dolomite.
Dolomite is the main host rock. The
orebodies are
stratiform and lenticular, with m****es, bands, layers, veins, and...
-
several tenements, and
immediately noted similarities between the
Mount Isa
orebodies and
those of
Broken Hill, New
South Wales.
Corbould secured an option...
-
estimates of 2007
world mine output. It is so
called because the main
orebody does not
outcrop on the surface, but is 'hidden' by
hundreds of metres...
-
hairline fractures and veins.
Because of
their large volume,
porphyry orebodies can be
economic from
copper concentrations as low as 0.15%
copper and...
- The
Orebodies 18, 23 and 25 mine, part of BHP's
Eastern Ridge hub and
officially referred to as the
Newman East operation, is an iron ore mine located...
-
since the
Chalcolithic era. The
Aljustrel camp
consists of six
separate orebodies (Estação, Feitais, Algares, Moinho, São João and Gavião) that lie on the...
-
violet or
white triclinic crystals.
Found in
oxidized zones of pyrite-rich
orebodies,
especially in arid climates. It was
first reported in 1888 for an occurrence...