- Ore is
natural rock or
sediment that
contains one or more
valuable minerals concentrated above background levels,
typically containing metals, that can...
-
weathered or
oxidized zone ****ociated with
deeper primary copper sulfide orebodies.
Tenorite commonly occurs with
chrysocolla and the
copper carbonates,...
-
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...
- m****ive
steeply dipping orebodies (typically low grade) with high friability. An
undercut with
haulage access is
driven under the
orebody, with "drawbells"...
-
several tenements, and
immediately noted similarities between the
Mount Isa
orebodies and
those of
Broken Hill, New
South Wales.
Corbould secured an option...
-
hairline fractures and veins.
Because of
their large volume,
porphyry orebodies can be
economic from
copper concentrations as low as 0.15%
copper and...
-
since the
Chalcolithic era. The
Aljustrel camp
consists of six
separate orebodies (Estação, Feitais, Algares, Moinho, São João and Gavião) that lie on the...
-
westward through the
Barote and
Ranger 4
orebodies. The mine
covers No 1
Orebody and No 3
Orebody. No 2
Orebody was
excluded from the
mining lease at the...
-
rocks in
layered intrusions which are
often ****ociated with
platinum orebodies such as in the
Bushveld Igneous Complex in
South Africa, the Skaergaard...
-
world uranium resources.
Orebodies of this type are
commonly low to
medium grade (0.05–0.4% U3O8) and
individual orebodies are
small to
medium in size...
