Iron Ore Geophysical Survey Of Indonesia

  • Home Page National Iron Ore Mining Company

    Welcome to National Iron Ore Mining Company operate and maintain Iron Ore Steel plants in the country as well as to carry out steel raw material surveys suitability tests and mining operations In conjunction with Techno Export TPE of USSR the NSDA carried out geophysical and geological investigations on different Ore Sites The most promising deposit was located at Itakpe Hill close

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  • STAGES OF EXPLORATION RESERVE/ RESOURCE ESTIMATION

    Geophysical Survey Detailed ground geophysical work borehole logging 4 Technological i Pitting/trenching to explore mineralized zone ii Drilling borehole spacing a coal gypsum potash salt beds 1000 to 2000m b limestone/dolomite 400 to 500m c Iron and manganese 200 to 400m d Bauxite 300 to 400m e chromite 300m f barite 500m g base metals 200m and h gold 100m 5

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  • Guide to airborne geophysical surveying for mineral

    Airborne geophysical surveys are commonly used in mineral exploration projects to measure Earth property data that can be processed and enhanced to provide information on the geology The surveys can measure natural Earth fields such as magnetism radioelements and gravity or induced fields such as electromagnetism These surveys are typically undertaken using low flying helicopters or light

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  • Geophysical Methods in Mineral Exploration

    Surface geophysical surveys have been applied to mineral and petroleum exploration for many years A magnetic compass was used in Sweden in the mid 1600s to find iron ore deposits The lateral extent of the Comstock ore body was mapped using self potential methods in the 1880s A very crude type of seismic survey measured the energy resulting from blasting operations in Ireland in the late

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  • Guide to airborne geophysical surveying for mineral

    Airborne geophysical surveys are commonly used in mineral exploration projects to measure Earth property data that can be processed and enhanced to provide information on the geology The surveys can measure natural Earth fields such as magnetism radioelements and gravity or induced fields such as electromagnetism These surveys are typically undertaken using low flying helicopters or light

    Get Price
  • Geophysical Exploration of Iron Ore Deposit in Kimachia

    Abstract A combined geological and geophysical survey undertaken in Kimachia area of Meru County in central Kenya has established the existence of small scale iron ore deposit that seems to be part of a more extensive iron rich zone The study has identified magnetite as the main ore in the geological formations Kimachia iron can be classified as a sandstone deposit The origin of the ore

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  • A Geophysical Survey with Magnetic Method for

    · Geophysical survey with magnetic method to interpret the iron ore deposits in the Eastern Nusawungu Coastal Cilacap Regency Central Java Indonesia was carried out during six month ie March August 2017 covering the area in the geographical position of E and S This survey has produced total magnetic field strength data at each measuring

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  • Geophysical Methods in Mineral Exploration

    Surface geophysical surveys have been applied to mineral and petroleum exploration for many years A magnetic compass was used in Sweden in the mid 1600s to find iron ore deposits The lateral extent of the Comstock ore body was mapped using self potential methods in the 1880s A very crude type of seismic survey measured the energy resulting from blasting operations in Ireland in the late

    Get Price
  • GEOPHYSICAL EXPLORATION FOR IRON ORE PROSPECT USING

    Ground gravity survey covering an area of 60km2 in Kimachia and Mbeu area of Tigania West Sub County of Meru County Kenya was conducted to establish iron ore extent in the area A Sodin 410 gravimeter was used to measure the gravity field‟s variations in the 278 established stations At each station the location coordinates and elevation

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  • Geophysical Surveys Outline Additional Targets

    · Geophysical Surveys Outline Additional Targets for Low Sulphidation Epithermal Gold Silver Mineralization Along Major Structures at the Big Easy Gold Project Newfoundland 2 000m diamond drilling

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  • PDF GEOPHYSICAL TECHNIQUES AND THEIR

    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 Relevance of Geophysics across the world is as a result of oil and solid mineral exploration

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  • Iron Smelting Industry of Kedah Tua A

    · With abundance of raw materials fuel clay wood and iron ore iron smelting sites were also essential to generate the iron products Thus far numerous iron smelting sites were discovered along Muda River which was used as a platform for transportation of iron products from inner parts of Muda River to the entrepot and contributed to Kedah Tua s rapid growth Mokhtar et al 2011

    Get Price
  • STAGES OF EXPLORATION RESERVE/ RESOURCE ESTIMATION

    Geophysical Survey Detailed ground geophysical work borehole logging 4 Technological i Pitting/trenching to explore mineralized zone ii Drilling borehole spacing a coal gypsum potash salt beds 1000 to 2000m b limestone/dolomite 400 to 500m c Iron and manganese 200 to 400m d Bauxite 300 to 400m e chromite 300m f barite 500m g base metals 200m and h gold 100m 5

    Get Price
  • GEOPHYSICS FOR MINERAL EXPLORATION Prepared for Matty

    Geophysical surveys generally look for concentrations of anomalously high values of the property being measured The results of the survey are used to identify a target of interest or to correlate the spatial variation of values of the property with variations in the geology Thus the primary reasons to do geophysics are to get information on geology and possibly to find targets of economic

    Get Price
  • Geological and Geophysical Studies of Chromite Deposits in

    tial tonnages of chromite but the ore has a low Cr2 03 content and is high in iron if the United States industry were to be­ come dependent on it major shifts and inefficiencies in metal­ lurgy would be inevitable Thayer 1973 Ultramafic rocks of the alpine peridotite type are common in both the Western and Eastern United States and diligent search by prospectors over the last 100

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  • Airborne Geophysical Methods Geology for

    · A digital elevation model or DEM is often done as an addition to most airborne geophysical surveys Gravity surveys can also be conducted from the air as well as from the ground Any unusually high or low region in the data that cannot be explained by the known geology is called an anomaly Geophysics can create models that explain most anomalies VTEM In 2002 Geotech a Canadian firm

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  • GEOPHYSICAL METHODS IN EXPLORATION AND MINERAL

    geophysical surveys integrated with geochemical and geologic insight This presentation first summarizes geophysical methods Following the methods summary geophysical strategies that usually employ multi technique approaches for specific geoenvironmental investigations are discussed GRAVITY METHOD Gravity measurements define anomalous density within the Earth in most cases

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  • GEOPHYSICS FOR MINERAL EXPLORATION Prepared for Matty

    Geophysical surveys generally look for concentrations of anomalously high values of the property being measured The results of the survey are used to identify a target of interest or to correlate the spatial variation of values of the property with variations in the geology Thus the primary reasons to do geophysics are to get information on geology and possibly to find targets of economic

    Get Price
  • Application of geophysical techniques in mineral

    August 13 14 2018 Bali Indonesia Milton Obote Kataka Mundalamo R H Ratshiedena P E and T Nemasea University of Venda South Africa Scientific Tracks Abstracts J Geol Geophys Abstract Copper mining in the Musina area dates back to a couple of centuries when the indigenous Africans used stone hammers and iron tools to mine the ore Ancient smelting sites are still visible in the

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  • 2 3 5

    Geophysical data from iron ore deposits in the Jimblebar and Shay Ga rYarrie areas Figs 1 2 3 are presented to illustrate the application of aeromagnetic and downhole logging techniques The Jimblebar deposits are an example of iron ore depos­ its of the Archaean Early Proterozoic Hamersley Group while the Shay Ga rYarrie deposits illustrate the signatures of iron ore deposits of the

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  • GEOPHYSICS FOR MINERAL EXPLORATION Prepared for Matty

    Geophysical surveys generally look for concentrations of anomalously high values of the property being measured The results of the survey are used to identify a target of interest or to correlate the spatial variation of values of the property with variations in the geology Thus the primary reasons to do geophysics are to get information on geology and possibly to find targets of economic

    Get Price
  • Journal of Geoscience Engineering Environment and

    A Geophysical Interpretation of Iron Ore Regency Central Java Indonesia was carried out Keywords geophysical survey magnetic method iron ore 1 Introduction of Research Along with the increasing human needs currently the exploration technology of natural resources to be developed especially subsurface natural resources One method that is quite well used for

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  • Home Page National Iron Ore Mining Company

    Welcome to National Iron Ore Mining Company operate and maintain Iron Ore Steel plants in the country as well as to carry out steel raw material surveys suitability tests and mining operations In conjunction with Techno Export TPE of USSR the NSDA carried out geophysical and geological investigations on different Ore Sites The most promising deposit was located at Itakpe Hill close

    Get Price
  • Geological and Geophysical Studies of Chromite Deposits in

    tial tonnages of chromite but the ore has a low Cr2 03 content and is high in iron if the United States industry were to be­ come dependent on it major shifts and inefficiencies in metal­ lurgy would be inevitable Thayer 1973 Ultramafic rocks of the alpine peridotite type are common in both the Western and Eastern United States and diligent search by prospectors over the last 100

    Get Price
  • Iron Smelting Industry of Kedah Tua A

    · With abundance of raw materials fuel clay wood and iron ore iron smelting sites were also essential to generate the iron products Thus far numerous iron smelting sites were discovered along Muda River which was used as a platform for transportation of iron products from inner parts of Muda River to the entrepot and contributed to Kedah Tua s rapid growth Mokhtar et al 2011

    Get Price

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