PALABRAS DEL PORTUGUÉS RELACIONADAS CON «ITABIRITE»
itabirite
hematite
sundance
resources
limited
itabirite
world
class
iron
resource
what
black
grey
reddish
coloured
mineral
which
mined
main
source
south
american
ferro
metals
only
listed
generally
easier
beneficiate
than
other
magnetite
does
require
same
level
capital
intensive
plant
machinery
bodies
generic
geotechnical
models
recently
been
involved
feasibility
studies
number
geochemistry
hematitite
quadrilátero
scielo
ferrífero
brazil
geoquímica
hematitito
itabirito
brasil
moustafa
selmii
ores
economic
geology
bearing
quartzite
term
adopted
gathmann
from
that
held
seems
well
encyclopedia
laminated
metamorphosed
oxide
facies
formation
original
10 LIBROS DEL PORTUGUÉS RELACIONADOS CON «ITABIRITE»
Descubre el uso de
itabirite en la siguiente selección bibliográfica. Libros relacionados con
itabirite y pequeños extractos de los mismos para contextualizar su uso en la literatura.
1
U.S. Geological Survey Professional Paper
dolomite in weathered itabirite even though the dolomite has been completely
dissolved. This concept appears applicable at one place in the Serra do Taman-
dua where a solution cave occurs in itabirite (Simmons, 1963, p. 70-72).
2
Geological Survey Professional Paper
Slratigraphic section of the middle group of the Minas series at Sallo do
Paraopeba, Jeeeaba quadrangle Cumula- Thick- five from ness base (meters) (
meters) Phyllite of the upper group of the Minos series: Covered - 21 Last itabirite
outcrop.
3
Geological Survey Professional Paper
Itabirite, resistant, siliceous, thin-bedded Covered Actinolite and magnetite-
bearing siliceous dolomite, well-bedded Covered End of outerop in the railroad
cut. Itabirite, magnetic, soft, thin-bedded, very siliceous Magnetic rock, resistant, ...
Geological Survey (U.S.), 1957
4
Annotated Bibliographies of Mineral Deposits in the Western ...
quartz grains been found in the itabirite nor have any sedimentary structures,
such as crossbedding, been preserved. Thus, it is concluded (Dorr and Bar—
bosa, 1963) that the silica was deposited as chert, somewhat contaminated with
iron, ...
5
Geology and mineral resources of the Monlevade and Rio ...
The increasing use of sintered and pelletized blast-furnace feed, caused by an
increase in furnace efficiency of up to 50 percent, may make it eventually more
economical to concentrate friable weathered itabirite than to mine and crush ...
Robert Grier Reeves, Brazil. Departamento Nacional da Produção Mineral, 1966
6
Report: New processes in mines other than coal mines, their ...
Itabirite is a low-grade iron ore - a waste left over from haematite mining - which
reaches a 64-68 per cent iron content once it is concentrated by that process, and
thus comes very close to the grade of haematite. This innovation has enlarged ...
7
Regolith Geochemistry and Mineralogy Derived from
Itabirite: ...
This book explores the mineralogy and geochemistry of soils derived from magnetite and hematite rich rocks in the rain forest of southeastern Cameroon.
Melvin Tamnta Nforba, Nforba Melvin Tamnta, Cheo Emmanuel Suh, 2013
One member of the Minas Series is made up of itabirite, a special Brazilian name
for a quartz-banded hematite ore composed of alternating layers or thin, flat
lenses of quartz and hematite. The material is recrystallized and both quartz and
...
9
Geological Survey Bulletin
2Average magnetic itabirite, Nimba 3Average hematite itabirite, Nimba 4
Average silicate-bearing magnetic itabirite, Nimba 5Average silicate-bearing
itabirite, Gbahm Ridge. 6Average "blue" (hematite) ore. 7Average "brown" (
goethite) ore.
Itabira Group The Itabira group has been subdivided into two formations, the
Cauê itabirite (Dorr, 1958) and the Gandarela formation (Dorr, 1958). Cauê
itabirite — Overlying the Batatal formation with gra- daticnal contact lies the Cauê
itabirite.
Brazil. Departamento Nacional da Produção Mineral, 1959
10 NOTICIAS EN LAS QUE SE INCLUYE EL TÉRMINO «ITABIRITE»
Conoce de qué se habla en los medios de comunicación nacionales e internacionales y cómo se emplea el término
itabirite en el contexto de las siguientes noticias.
Global Iron Ore Mining to 2020
In Brazil, iron ore is mainly extracted from hematite ores but can also be found in low grade itabirite ores which has iron content in the range of 35%–64%. «PR Newswire, Oct 15»
Australia Leads Iron Ore Mining Market Growth to 2020 Says a 2015 …
In Brazil, iron ore is mainly extracted from hematite ores but can also be found in low grade itabirite ores which has iron content in the range of 35%-64%. «PR Newswire, Sep 15»
Tawana to sell out of diamonds
This project hosts high-grade friable itabirite mineralisation which can be easily upgraded to a superior quality iron ore product of 64 to 68% iron, for which there ... «Independent Online, Jul 15»
Vale cuts no solace for Fortescue
The plan is to introduce lower-grade itabirite ores to the supply mainstream. They have previously been treated as waste material. But as higher-quality hematite ... «The Australian Financial Review, Jul 15»
Tawana Resources discovers high-grade hematite in Liberia
Aside from the high-grade DSO, Tawana Resources has also discovered a strike of friable itabirite mineralisation in the Goehn prospect, part of its ongoing ... «African Review, Jul 15»
Sundance Resources: Divide And Conquer?
In addition there are over 4 billion tonnes of underlying lower grade Itabirite resources at 36.3% Fe that could form the basis of a later second stage project. «TheStreet.com, Sep 14»
Tawana Resources starts assessment studies for Mofe Creek Iron …
Mofe Creek Project has a defined friable itabirite ore resource and requires a simple process plant using gravity separation to produce a +65% iron product, with ... «Proactive Investors Australia, Ago 14»
Sundance inks Republic of Congo mining convention
... success in the Republic of Congo, with the Nabeba deposit now boasting a significant high-grade hematite reserve, as well as substantial itabirite resources. «Creamer Media's Mining Weekly, Jul 14»
Sundance, Noble strike off-take deal for African project
Additionally, the project has an itabirite resource of 4.05bt at a grade of 36.3% Fe, which has a demonstrable benefication process that can produce a 66% Fe ... «The Australian Journal of Mining, Mar 14»
Sundance inks offtake agreement with Noble
... focused on producing direct shipping ore hematite, while the second stage of the operation would be the continued production of itabirite hematite concentrate ... «Creamer Media's Mining Weekly, Mar 14»
