The mining of stratiform ore deposits requires a means of determining the location of stratigraphic boundaries. A variety of geophysical logs may provide the required data but, in the case of banded iron formation hosted iron ore deposits in the ...
The ore bodies, although occurring in distinct re- gional belts (Eastern and Western Belt) are small and irregu- lar in size, shape and stratigraphy. After deposition the ores were overprinted by very low grade metamorphic events. Local geology The stratigraphic development of the Griqualand West Sequence in
The BIFs host a number of major high-grade iron ore deposits of Goa and Karnataka (Mukhopadhyay et al., 2008a). In the absence of a direct age from this succession a probable age bracket between 2.65 Ga and 2.5 Ga can be suggested for the Goa Group from the granitoids that are believed to be either part of the basement or …
Three provinces of iron ore deposits namely BIF-I, BIF-II and BIF-III occur circumscribing the North Odisha Iron Ore Craton (NOIOC). They are confined to the intracratonic rift basins of early ...
Iron mineralisation in this stratigraphic sequence in South Africa has been variably attributed to several processes or models, primarily supergene (Wagner, 1921;Boardman, 1948;Van Deventer, 2009 ...
The iron ore deposits, located in the SKB iron ore belt, contribute about 61% of iron ore resources of India (IBM, 2019). The study area is situated on the overturned western …
Banded iron formations of the Iron Ore Group (Archean greenstone belts) of Jharkhand-Orissa region, India host a good number of large iron ore deposits (Fe wt …
The internal stratigraphy of the Marillana Creek palaeochannel Tertiary channel iron deposits (CID) in the Hamersley Province of Western Australia was initially defined in the 1980s and redefined as the Marillana Formation in the early 2000s. Recent drilling, open pit mining and field observations in the Western deposits at BHP Billiton Iron Ore's …
The stratigraphy of the Greenstone Belt in the Redcliff area originally mapped by McGregor (1937) and Tyndale-Biscoe (1949) has since been re-assessed, using ... The Ripple Creek iron ore deposit comprises the thickest portion of a long gossanous orebody that strikes northwest – southeast and forms a part of a 35km strike of gossanous
The results of complex palynological and microfaunistic studies of Upper Cretaceous and Ceno-zoic deposits of the Bakchar iron ore deposit are presented.
Overview. The Bushveld Complex (BC), located in northern South Africa, is a Paleoproterozoic Large Igneous Province ~2 Ga in age. It is the world's largest layered mafic intrusion and boasts the highest …
The main aim of the present study is to investigate geochemical analysis of iron ore and iron-enriched mineralised zones and their source identification by …
These three prominent belts of iron ore deposits along with associated litho-types have been ... Stratigraphic succession of Iron Ore Super Group of Odisha [20] 2.1. BIF-I: Badampahar-Gorumahisani
Survey, although the deposit was within a concession that had been granted to a prospecting company in 1910. By 1917 a company was formed to exploit the deposit, and production of direct-shipping ore began soon after, developing into one of the world's leading producers of the mid-1920s. Geological Setting
The iron ores are widespread in the Eastern and Western Deserts of Egypt. According to Egyptian Mineral Resource Authoriiy (EMRA 2015), there are nine known iron ore occurrences including Abu Marwat, Wadi Karim, Wadi El-Dabbah, Umm Ghamis El- Zarga, Gabal El-Hadid, Um-Nar, El Oweinat, Aswan, and Bahariya areas as illustrated in …
The Indian shield represents a vast repository of the Precambrian geological record. The Precambrian sedimentary basins were developed on four major Archaean nuclei (Dharwar, Bastar, Singhbhum and Aravalli–Bundelkhand; Fig. 1.1) and are comparable to those of Australia, South Africa, Canada and Brazil in scale and …
Map showing the location of Iron Ore Mines in India. Iron Ore mines are found in different regions of India. Iron Ore Distribution in India. India has significant reserves of iron ore, with the majority of the deposits located in the states of Odisha, Chhattisgarh, Jharkhand, Karnataka, and Goa. Iron ore resources are relatively …
Metallic ore deposits are anomalous accumulations of metal commodities within a few kilometres of the Earth's surface, which have been concentrated significantly above their average crustal contents and in mineralogical forms that make them economically and metallurgically exploitable (e.g., Skinner 1997).Although various …
grade iron ore deposits in India and more than 90% of the iron ore supplied to the industry comes from the BIF. All the iron ore deposits of India belong to the Iron ore series and their equivalents of the Dharwar group composed of metavolcanics and …
The Pic de Fon iron oxide deposit is a potential major new source of iron ore, located at the southern end of the Simandou range in eastern Guinea ... In addition to the primary stratigraphy, the ...
The fluvial goethite–hematite channel iron deposits (CID) of the Pilbara region of Western Australia, formerly known as the 'Robe Pisolite', represent a major source of iron ore mined in the Hamersle...
The Pb-Pb geochronology of Archaean granitic and gneissic rocks from the Singhbhum-Orissa Iron Ore craton in eastern India provides important constraint on the earliest crust-forming event and ...
The ~2.4 Ga Hotazel Formation of the Transvaal Supergroup of South Africa is best known for hosting the largest land-based manganese deposit in the world, namely the Kalahari Manganese Field. The Hotazel Formation comprises three sedimentary manganese ore beds interbedded with banded iron formation. Where the ~2.0 Ga pre-Gamagara …
The Kamoa copper deposit is located in the Katanga Province of the southern Democratic Republic of Congo outside of the area previously considered prospective for large copper deposits. With a 1% Cu cutoff, the hypogene ore zone of Kamoa spans over 81 km (super 2), varying in thickness from 2 to 15 m, and is currently laterally unconstrained.
The Archean cratonic nucleii of peninsular India host a number of stratigraphic intervals with BIF ranging in age from ∼3.5 Ga to ∼2.6 Ga (e.g., Naqvi, …
Kesharpur Copper Deposit: The villages Kesharpur, Dudhiasol and Madansahi encompassing the copper ore deposits are located between lat 22 o04' and 22 07' and long. 86 o40' to 86 42'. The Kesharpur Cu deposits is located at the tail portion of the Singhbhum Thrust belt. Sheared metabasics
The mining of stratiform ore deposits requires a means of determining the location of stratigraphic boundaries. A variety of geophysical logs may provide the required data but, in the case of banded iron formation hosted iron ore deposits in the Hamersley Ranges of Western Australia, only one geophysical log type (natural gamma) is collected for this …
DOI: 10.1016/j.cageo.2015.02.002 Corpus ID: 38276607; Automated recognition of stratigraphic marker shales from geophysical logs in iron ore deposits @article{Silversides2015AutomatedRO, title={Automated recognition of stratigraphic marker shales from geophysical logs in iron ore deposits}, author={Katherine L. …
The Palaeoproterozoic Transvaal Supergroup in the northern Cape Province of South Africa hosts high grade (>60 per cent Fe) hematitic and specularitic iron and manganese mineralisation. The mineralisation is primarily exposed along the western margin or in the central part of a major interference fold structure known as the Maremane dome. The …
The manganese and iron formations in stratigraphic associations from the Archean greenstone belts from India are therefore potential records for testing the …
There are many different types of iron ore deposits that have been historically important for the production of iron ores and other types of metalliferous deposits where iron ore is produced as a ...
The genesis models of the iron-ores hosted in banded iron formations (BIFs) in the Hamersley Province of Western Australia have been debated since the iron-ore deposits were discovered in the 1960s.
New contributions to the understanding of Kiruna-type iron oxide-apatite deposits revealed by magnetite ore and gangue mineral geochemistry at the El Romeral deposit, Chile. Ore Geol. Rev. 93, 413 ...