Origin and depositional history of platinum-group minerals …
The latter explain Cr-Pt ore formation by redistribution through fluid or hydrothermal solution in solid ultramafic rocks ... chromitites are small, the abundance of platinum can be quite high. For example, at the Krutoy Log deposit, chromite-platinum ore at the top of the orebody extended for a distance of 2 m in one adit. From this ...
Ore Deposits of the Platinum-Group Elements
The formation of ore deposits of the platinum-group elements (PGE) requires that their concentrations be raised about four orders of magnitude above typical continental crustal abundances. Such extreme enrichment relies principally on the extraction capacity of sulfide liquid, which sequesters the PGE from silicate magmas. ...
Mineral Formation Processes and Paragenesis in Ore Minerals
This process also plays a role in the formation of platinum group elements, magnetite, and other economically vital ores.The systematic arrangement of minerals in specific layers during cooling illustrates the role of magmatic differentiation and how it shapes ore deposits. ... This process creates ore deposits such as banded iron formations ...
Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space …
Processes and Ore Deposits of Ultramafic-Mafic Magmas through Space and Time focuses on the fundamental processes that control the formation of ore deposits from ultramafic-mafic magmas, covering chromite, platinum-group element (PGE), Ni-sulfides and Ti-V-bearing magnetite. The exploration, exploitation and use of these magmatic ores are ...
PROCESSES OF FORMATION OF ORE DEPOSIT
3. SUBLIMAATION This is a minor process in the formation of mineral deposit. This process applies to those minerals that are volatilised and subsequently redeposited from vapour at lower temperature or pressure. This …
Direct leach approaches to Platinum Group Metal (PGM) …
The major portion of platinum and palladium produced today from primary sources originates from the Bushveld Igneous Complex in South Africa. The most important reefs mined are the Merensky, Upper Group Two (UG-2) and Platreef (Cramer, 2001).Ore grades range from 3 to 8 g/t PGM, with associated nickel and copper in the 0.1–0.2% range present mainly as …
Platinum Mining | Processing Equipment | Flow Chart
Just like Platinum, the rest of the group is also quite rare, so they are often also extracted in the Platinum mining process, separating the different types of metals is a long and tiring process which can sometimes take up to at 7 months. As Platinum is so incredibly rare it can take about as much as 10 tonnes of ore to find one ounce of ...
Platinum-Group Metal Ores
Flotation of Platinum Group Metal Ores. Srdjan M. Bulatovic, in Handbook of Flotation Reagents: Chemistry, Theory and Practice, 2010 Publisher Summary. This chapter discusses various aspects of PGM (platinum group metal) ores. In general, PGM ores are concentrates in the crust found in two different ways, by leaching the metal-rich lava (mantle) deposited into the crust, …
Ore Deposits of the Platinum-Group Elements
The formation of ore deposits of the platinum-group elements (PGE) requires that their concentrations be raised about four orders of magnitude above typical continental crustal abundances.
Production of Platinum and Palladium – Two of …
The process of extracting platinum from the ore deposits is very labor intensive. In order to produce one troy once (31.135g) of pure platinum, about 7 to 12 tons of ore must be extracted in a span of six months. The first …
How Do Ore Deposits Form?
Ore deposits are masses of ore (rocks rich in metal) that are mined to obtain the metals needed for the machines and devices we use in everyday life, but how do ore deposits form, and where do we find them? Nowadays, …
Geochemistry of Magmatic Ore Deposits
phases commonly responsible for the formation of ore deposits of these elements. For example, vanadium is generally incom-patible in mafic silicate magmas lacking magnetite, but once magnetite begins to form, with a DV magnetite/melt as high as 50, suitable physical sorting processes might then permit the collection of economic quantities of ...
PRODUCTION OF PLATINUM FROM PRIMARY AND …
Platinum have become a metal, which is today necessary for every new car production due to its catalytic role, mainly reduction of toxic gases. Prices and demand for platinum are shown as …
Precious Metals: Ore Deposits & Formation | Vaia
Precious Metal Ore Deposits: Geological accumulations of valuable metals like gold, silver, and platinum, crucial for economic and industrial purposes. Geological Formation of Precious Metals: These include processes like magma crystallization, hydrothermal, and metamorphic processes that contribute to their formation over millions of years.
Unveiling Platinum: Mining and Processing Wonders
Platinum mining and processing involve a complex journey, from the extraction of the ore to the final refining and shaping of the pure metal. It is a meticulous process that …
Extraction of platinum group metals from catalytic converters
The process of depositing platinum group metals onto the γ-Al 2 O 3 ... to be mindful of the fact that elevated temperatures can induce undesired phenomena such as sintering and the formation of salts when these metals interact with supporting materials like aluminates. ... South African ores contain an average of around 3–4 g of platinum ...
Rhodium (Rh) Ore | Minerals, Properties, …
Rhodium extraction from ore requires complex and specialized processes, including mining, milling, smelting, and refining, due to the metal's high melting point and its tendency to form compounds that are difficult to …
Platinum (Pt) Ore – ICIA
Geology and Formation of Platinum Ore. ... Here is a general overview of the process: Exploration: Platinum ore deposits are typically located through geologic mapping, geophysical surveys, and geochemical sampling. This involves identifying areas with the potential for platinum mineralization based on geologic characteristics, such as rock ...
Solvent Extraction as a Method of Recovery and Separation of Platinum …
Platinum group metals (PGMs) are a group of six metals with high market value and key importance to many industrial sectors. Due to their low prevalence in the Earth's crust and high demand ...
How is Platinum mined? Full Guide to Platinum …
The process of bringing platinum from its ore state to a usable form is complex and requires significant technological intervention, but it starts with mining operations that target platinum-rich ore deposits.
Ore Minerals | Formation, Genesis, Occurrence
Ore minerals are naturally occurring minerals that contain valuable elements or minerals in sufficient quantities to be economically mined and processed for their desired metal or mineral content. These minerals are typically extracted from the Earth's crust and processed to obtain the valuable elements or minerals for various industrial, manufacturing, and commercial …
Geology of Platinum | Properties, Mining, and …
Learn about the geologic properties of platinum, as well as how much exists, how it is mined, and where to find platinum deposits on Earth.
Ore Genesis: Magmatic & Sedimentary Deposits
Definition of Ore Genesis. Ore Genesis refers to the complex series of processes that lead to the formation and concentration of valuable minerals within the Earth's crust. These processes result in the creation of ore deposits, which are economically viable sources of metals and minerals essential for various industrial applications.. Understanding ore genesis requires knowledge of …
Supergene Process
S.K. Haldar, in Platinum-Nickel-Chromium Deposits, 2017. 9.2.3 Lateritic Model. The lateritic model is a surficial/near-surficial weathering/oxidation system resulting from physicochemical phenomena. It causes concentration of ore materials (Ni–Cu–Co–PGEs, Al, Fe, etc.) by the action of paleoclimatic environment and occurs within the ...
Magmatic ore forming processes
However, these are not the only elements that can crystallise early. Early in the magmatic differentiation process, ore minerals can accumulate as layers of crystallised material at the bottom of the magma chamber. An example of an ore mineral that can form this way is chromite, which is a source of chromium. Figure 1: Magmatic ore formation
Platinum
Geological Occurrence of Platinum Formation and Deposits. Platinum is typically found in ultramafic and mafic igneous rocks, often associated with nickel and copper ores. It forms in …
Melting of platinum group metal concentrates in South …
UG-2 ore, but they typically have much higher power densities than the earlier units. In response to the more demanding melting Melting of platinum group metal concentrates in South Africa by J. Nell* Synopsis An overview is given of the matte melting process used for the beneficiation of South African platinum group metal (PGM) ores.
BARNES 2005
The process of percolation of dense, low-viscosity sulfide liquid into pore space and fractures within partially molten (or melting) silicate rock is a unifying theme that links sulfide matrix ore breccias and emulsion textured ores with distinctive textures in less sulfide rich rocks such as net-texture (matrix ore texture), leopard texture ...
Reading: Ore Genesis | Geology
These crystals may settle onto the bottom of the intrusion, concentrating ore minerals there. Chromite and magnetite are ore minerals that form in this way. Liquid immiscibility: sulfide ores containing copper, nickel or platinum may form from this process. As a magma changes, parts of it may separate from the main body of magma.
12.3: Ore Genesis
These crystals may settle onto the bottom of the intrusion, concentrating ore minerals there. Chromite and magnetite are ore minerals that form in this way. Liquid immiscibility: sulfide ores containing copper, nickel or platinum may form from this process. As a magma changes, parts of it may separate from the main body of magma.