- Ore is
natural rock or
sediment that
contains one or more
valuable minerals,
typically including metals,
concentrated above background levels, and that...
-
orientation and type of
orebody to be mined. The
orebody can be
narrow vein such as a gold mine in the Wi****ersrand, the
orebody can be m****ive similar...
-
Sumitomo Metal Mining Co and
Sumitomo Corp to
acquire the Pogo Gold mine. The
orebody consists of
numerous highly irregular quartz veins,
ranging in thickness...
-
Company was
formed soon
after to mine the
southern continuation of the
orebody. In 1896, the
Rosebery Gold
Mining Company was
reconstructed as the Tasmanian...
-
defined as the
minimum factor by
which the
weight percent of
mineral in an
orebody is
greater than the
average occurrence of that
mineral in the Earth's crust...
-
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...
- by, but
separate from
Kakadu National Park, 230 km east of Darwin. The
orebody was
discovered in late 1969, and the mine
commenced operation in 1980,...
- to the surface.
Within the
orebody,
there is a
volume of
hematite ore with the same
strike (direction) as the main
orebody. The
thickness of this seemingly...
-
mineralisation in the
deposits changes from
mostly chalcopyrite in the
South Orebody, to chalcopyrite-bornite in the
Central area and to bornite-chalcopyrite...
-
mineralisation is also
depleted in the
three porphyries that make up the
orebody. The
present mine is a
conventional truck and
shovel operation, with a...
