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geophysical exploration of iron ore

CSIRO PUBLISHING Exploration Geophysics

Geophysics has been comparatively little used in exploration for iron ore. Exploration for supergene-enriched deposits mainly uses aeromagnetics to map favourable structures and to detect magnetite destruction and replacement associated with mineralisation and gamma-ray logging for stratigraphic correlation purposes.

PDF Geophysical prospecting for iron ore deposit around Tajimi ...

Geophysical prospecting for iron ore deposit around Tajimi village Lokoja ... Exploration for iron ore has been carried out . using magnetic methods since the early 1900s.

Geophysical Exploration of Iron Ore Deposit in Kimachia Area in Meru ...

International Journal of Science and Research IJSR ISSN Online : 2319-7064 Volume 2 Issue 11 November 2013 www.ijsr.net Geophysical Exploration of Iron Ore Deposit in

Appli ion of the gravity method to iron ore exploration Economic ...

The gravity method was first applied to Fe ore exploration as a tool for detecting nonmagnetic ores but advantages of this method over other exploration methods have also made it useful under certain geological conditions in the study of magnetic ores and regional structures favorable for the occurrence of Fe ore.

Geology Prospecting and Exploration for Iron Ore Deposits – IspatGuru

Present geophysical techniques and instrumentation sampling methods drilling procedures and some methods of geological investigation as applicable for iron ore are described below. Geophysics as applied to iron ore explorations is primarily a reconnaissance tool that provides information that must subsequently be complemented by geological ...

Exploration geophysics - Wikipedia

Exploration geophysics can be used to directly detect the target style of mineralization via measuring its physical properties directly. For example one may measure the density contrasts between the dense iron ore and the lighter sili e host rock or one may measure the electrical conductivity contrast between conductive sulfide minerals and the resistive sili e host rock.

PDF The mineral exploration of the iron ore deposits in the eastern ...

The mineral exploration of the iron ore deposits in the eastern Aswan- Egypt by using geophysical techniques Mahmoud Mekkawi Sultan Arafa Ayman Ismail and Mohamed Abbas National Research Institute of Astronomy and Geophysics NRIAG Cairo Egypt.

GEOPHYSICAL METHODS IN EXPLORATION AND MINERAL ENVIRONMENTAL INVESTIGATIONS

Magnetic exploration may directly detect some iron ore deposits magnetite or banded iron formation and magnetic methods often are an useful for deducing subsurface lithology and structure that may indirectly aid identifi ion of mineralized rock patterns of effluent flow and extent of permissive terranes and or favorable tracts

Integrated geophysical approach in exploration of iron ore deposits in ...

The areas with iron ore deposits were expressed in the geophysical results by low resistivity high chargeability and moderate to high magnetic anomalies. Integrated interpretation of the obtained results revealed that the ore deposits exist in the form of lenses with variable thickness ranging from few meters to about 30-m thick.

PDF GEOPHYSICAL TECHNIQUES AND THEIR APPLICATIONS IN MINING Sefiu O ...

Historically geophysical technique magnetic was first used in Sweden in the 17th century for prospecting iron ore Reedman 1979 . Geophysical techniques gained more acceptability in the early 1923 Gupter 1986 because of exploration for crude oil.

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