turkey chromite deposits pdf

Geochemical and Mineralogical Characteristics of Fe-Ni ...

lateritic Fe-Ni deposits in the surrounding area are currently operated by the Egemad Company. Although ophiolites cover a large area in Turkey, few lateritic ore deposits have been discovered. In the past, the ophiolites in Turkey were explored for chromite deposits rather than lateritic ore deposits. However, in countries with Alpine rocks ...

The Mineralogy and Chemistry of the Chromite Deposits of ...

The Mineralogy and Chemistry of the Chromite Deposits of Southern ... Distribution of ophiolites and main chromite ore districts in Turkey (Modified from Engin et al., 1986). . Podiform chromite ore bodies in different shapes and sizes (potato, pipe, pod, tabular, folded

Spinel compositions of mantle-hosted chromitite from the ...

Mar 01, 2016· Chromite deposits in the area have been grouped into four geographically distinct areas: 1) Mehmetalan chromitites (ME), 2) Yukarıbalçıklı chromitites (YB), 3) Mollatopuz chromitites (MO), and 4) Alabayır chromitites (CE). The general geological characteristics of this area are summarized in Table 1. Nodular type chromitites are only ...

Chromite - Wikipedia

Chromite is a crystalline mineral composed primarily of iron(II) oxide and chromium(III) oxide compounds. It can be represented by the chemical formula of FeCr 2 O 4.It is an oxide mineral belonging to the spinel group.The element magnesium can substitute for iron in variable amounts as it forms a solid solution with magnesiochromite (MgCr 2 O 4). A substitution of the element aluminium can ...

OPEN FILE REPORT 87-7 THE GEOLOGY AND OCCURRENCE …

the USSR, "and also in Albania, the Phillipines, Turkey, and India. In 1982, approximately 55% of the world's chromite was mined from these smaller, high­ grade (28 to 44% Cr203) deposits. The United States also has numerous pod~form

Figure 6 from Podiform chromite deposits--database and ...

DOI: 10.3133/SIR20125157 Corpus ID: 54921934. Podiform chromite deposits--database and grade and tonnage models @article{Mosier2012PodiformCD, title={Podiform chromite deposits--database and grade and tonnage models}, author={D. Mosier and D. Singer and B. Moring and J. Galloway}, journal={Scientific Investigations Report}, year={2012} }

The mineralogy and chemistry of the podiform chromite ...

Podiform chromite deposits are characteristic of the ultramafic complexes of the ophiolites. In the Limassol Forest Plutonic Complex, one of the two plutonic complexes of Troodos ophiolite, Cyprus, the deposits are located dominantly at the periphery of the serpentinite body either close to the contact between the serpentinized harzburgite (Bastite Serpentinite) and a highly cataclastic ...

(PDF) Petrogenetic Characteristics of the Chromite ...

PDF | On Sep 7, 2015, Ayten Öztüfekçi-Önal and others published Petrogenetic Characteristics of the Chromite Deposits in Tunceli Province (Turkey) | Find, read and cite all the research you ...

Figure 15 from Podiform chromite deposits--database and ...

Podiform chromite deposits--database and grade and tonnage models @article{Mosier2012PodiformCD, title={Podiform chromite deposits--database and grade and tonnage models}, author={Dan L. Mosier and D. Singer and B. Moring and J. Galloway}, journal={Scientific Investigations Report}, year={2012} }

The metallogeny of the chromite deposits of the Guleman ...

Concludes that the chromite deposits of the Guleman district in east Turkey are the product of basic and ultrabasic magmatism associated with the Variscan or possibly an earlier orogenic cycle, on which the effects of Alpine tectonic activity have been superimposed.

Turkey's mining industry

trough of a mining cycle, Turkey has emerged as a rare story of growth, offering a compelling jurisdiction to international mining investors in pursuit of friendlier skies. To date, the country has not shown huge ore deposits of blockbuster potential; rather its key at-tractions are …

Geological and Geophysical Studies of Chromite Deposits in ...

tites in the Philippines, Turkey, and in the U.S.S.R., and there seems to be no compelling geologic evidence to preclude their presence in similar peridotites in the United States. The princi­ ... Types of chromite deposits _____ 26 Structure of chromite deposits _____ 28 ...

(PDF) Ophiolitic chromitites from the Kahramanmaras area ...

Location of the major ophiolite complexes in Turkey. Complexes containing chromite deposits are indicated. B. Ophiolite complexes (grey) in the area of the investigated chromitites, showing the samples location. Fig. 2 -2Chemical composition of chromite from chromitites of Kahramanmara`.

Ali Ucurum | Cumhuriyet University - Academia.edu

Chromite deposits in Turkey are situated in six different major areas, as are remnants of the Neo-Tethyan oceanic crust. Sizes of the mineralization vary from tens of tons to a few thousand tons. Alpine-type structures and textures are very common in almost all of the mineralizations.

Chromite Deposits Along the Border - Alaska

Chromite Deposits Along the Border Ranges Fault, Southern Alaska (In Two Parts) 1. Field Investigations and Descriptions of Chromite Deposits By Jeffrey Y. Foley and James C. Barker UNITED STATES DEPARTMENT OF THE INTERIOR William P. Clark, Secretary BUREAU OF MINES Robert C. Horton, Director ...

Chromite Deposits in Turkey - JST

Comparison between chromite deposits of Turkey and those of Hokkaido, Japan is made and it is clarified that these are quite common to each other from the view point of ore genesis. Harzburgite or serpentinite, host rock of the chromite deposits in Turkey, generally occurs along the thrust formed during late Tertiary period.

(PDF) Petrology of Al-and Cr-rich ophiolitic chromitites ...

Download Free PDF Petrology of Al-and Cr-rich ophiolitic chromitites from the Muğla, SW Turkey: implications from composition of chromite, solid inclusions …

Beneficiation Practices in the Sukinda Valley Area ...

The chromite deposits have very high depth persistence and its grade increases with depth. Most of the quarries in the area have already reached to on an average depth of 50 m. However, the grade dilution is taking place at hang wall & footwall contacts due to mechanization.

CHROME ORES OF SOUTHEASTERN PENNSYLVANIA AND By …

the United States at prices so low that the control of chromite sup­ plies for the world's market was transferred from the eastern United States to Turkey and Asia Minor, where it remained until about 1905, when the production of Turkish ore decreased owing to the strong competition of New Caledonian deposits.

Chromite Deposits - an overview | ScienceDirect Topics

Chromite. Chromium from ores of chromite is used to make essential stainless steel, tool steel, armor-piercing projectiles, and is used in other high-temperature applications. It is a strategic metal to the USA, because since 1961, the U.S has been 100 percent dependent upon other nations for chromium.

On the formation mode of the Guleman chromite deposits ...

Taşlitepe chromite deposits in Guleman Eastern Taurus region. In: Geology of the Taurus belt, 303–308 (1981) Engin, T.: Petrology of the peridotite and structural setting of the Bati 94–03 Kef chromite deposits, 94–04 eastern Turkey.

Mineral Deposits of Turkey | SpringerLink

Archaeological studies show that history of mining in Turkey goes back to 7000 BC. Mining appears to have played an important part in the development of the ancient civilizations in Anatolia, such as those of Phoenicians, Hittites, Phrygians, and Lydians. Some mines operating even now in Turkey were originally discovered and mined by the people ...

(PDF) Cr-PGE Mineralization in the Turkish Ophiolites: The ...

Important chromite deposits have been extensively exploited in the former Yugoslavia, Albania, Greece, Cyprus and Turkey. With about 2000 documented deposits, most of which are mined presently, Turkey is one of the major chromite producers in the world, ranking 4 th in exports after South Africa, Kazakhstan and India.

(PDF) Genesis and geodynamic significance of chromitites ...

Geological settingSeveral ophiolitic massifs hosting chromite deposits are present in Turkey (Fig. 1a). The Orhaneli and the Harmancık (Bursa) ophiolites are considered as remnants of the Izmir-Ankara-Erzincan Ocean, a local term for the northern branch of the Neotethys Ocean (Sarıfakıoğlu et al., 2009).

The Chromite Deposits of the Muğla District — Turkey ...

10%· There are two types of chromite deposit; the stratiform or layered type characteristic of large layered intrusions such as the Great Dyke (q.v.) and the 'podiform' deposits such as these. Examples of this type of deposit are found in several other parts of Turkey, and in Greece, Albania and Yugoslavia, as well as on various of the islands ...

ORE DEPOSIT TYPES AND THEIR PRIMARY EXPRESSIONS K.G ...

Ore Group Some Deposit Types and Examples Typical Element Associations* Komatiite-associated nickel deposits Mt Keith, Kambalda, Widgiemooltha, Maggie Hays, Jubilee. Ni-Cu-Co-PGE±Te (S) minor As Magmatic Layered mafic-ultramafic intrusion deposits PGE sulphide and chromite deposits: Munni Munni, Ora Banda, Yarawindah. Vanadiferous magnetite ...

(PDF) Benefication of low-grade chromite ores of abandoned ...

The results of these tests show that a further recovery of remaining 500 000 tons of ore could be possible from the abandoned Topraktepe chromite deposit. Key Words: Chromite, recovery, enriching methods, Topraktepe, Turkey Introduction Turkey is the sixth largest chromite ores exporter in the world.

THE SINEWS OF WAR: TURKEY, CHROMITE, AND THE …

chromite ore and is vital in the strengthening and coating of steel. During the late 1930s Turkey contained some of the world's largest known stocks of chromite ore. In the 1930s chromite, Arthur Kemp writes, was in the "rarer one-third of the elements, which together comprise[d] only .05% of the earth's surface." He continued: