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Sedimentary Rocks

Many economically valuable resources come from sedimentary rocks Iron ore and aluminum are two examples Lesson Summary Weathering and erosion produce sediments Sediments are transported by water wind ice or gravity After sediments are deposited they undergo compaction and/or cementation to become sedimentary rocks Get price


6 2 Chemical Sedimentary Rocks

6 2 Chemical Sedimentary Rocks They might eventually come out of solution as a result of a biological process or a change in the chemical conditions and will then become a mineral crystal that can settle to form a chemical sediment is a deep sea-floor deposit of iron oxide that is a common ore of iron (Figure 6 2 6) BIF forms when Get price


Iron Deposits

Banded iron formations (BIFs) are different – they were all formed at a time where the earth was a decidedly different environment than it is today Banded iron formations are critical to our current economy as they are by far the biggest source of economic iron deposits BIF from the USA Image CC A BIF is hard and heavy sedimentary stone Get price


Mineral Ore Deposits Meaning Origin and Types

An ore deposit may be either of igneous or of sedimentary origin Some deposits are related to metamorphic processes and are as such classified as deposits of metamorphic origin Within these three broad modes of origin a mineral deposit of economic value might have originated due to set of simple or complex processes Get price


Sedimentary ore forming process

Sep 17 2017Sedimentary ore forming process 1 Sedimentary Ore Forming Process By Abdul Bari Qanit M Sc Geology 2 Sedimentation The process of settling or being deposited as a sediment 3 Sedimentation is a process of sediment derivation from the primary rocks which are weathered by physical disintegration and chemical decomposition Get price


Kaolin Soil rock and ore From the mineral to the

The above tripartite subdivision of kaolin has been established so as to be in accordance with other lithologies which formed through magmatic sedimentary and metamorphic processes and to link the present classification scheme directly with the "Chessboard classification scheme Get price


5 Weathering Erosion and Sedimentary Rocks

Chemical sedimentary rocks are formed by processes that do not directly involve mechanical weathering and erosion Inorganic chemical sedimentary rocks form in environments where ion concentration dissolved gasses Alternating bands of iron-rich and silica-rich mud formed as oxygen combined with dissolved iron Get price


Sedimentary Mineral Deposits

Chemical Deposition of Sedimentary Mineral Deposits In the weathering of rocks iron and manganese are dissolved as carbonates by water containing carbonic acid and are carried down to swamps lakes and seas where they have been deposited as beds of ore under some circumstances they have been deposited as carbonates (siderite and Get price


Origin Of Ore Deposits

Jul 02 2018Sedimentation deposits are the syngenetic ore deposits which are formed at the same time as the enclosing rocks They occur as beds in the sedimentary rocks Some of the important sedimentary deposits are Iron ore Manganese ore Copper ore Phosphates limestone etc These deposits are formed by the process of sedimentation Get price


Geology Sedimentary Iron Ore Deposits

ONE CONTACT US Geology Sedimentary Iron Ore Deposits For more than 30 years ONE has focused on RD and manufacturing of mine crushing equipment building crushing equipment industrial pulverizing equipment and green building materials equipment and provided professional solutions and mature supporting products to create value for Get price


iron iron ore sedimentary rock

Origin of sedimentary hosted high-grade iron ore deposits • From the 1840s to the 1960s more than 3 billion tonnes of iron ore were mined from sedimentary-hosted high grade iron ore deposits in Michigan Minnesota and Ontario • This abundant source of iron ore coupled with new steelmaking processes helped fuel Get price


Banded Iron Formations

Banded iron formations have greater than 15% sedimentary iron content Banded iron formations are of economic interest as they host the world's largest iron ore deposits and many gold deposits Algoma-type banded iron formations were deposited as chemical sediments along with other sedimentary rocks (such as greywacke and shale) and volcanics Get price


Mining In Sedimentary Rocks

What is Iron Ore Earths most important iron ore deposits are found in sedimentary rocks They formed from chemical reactions that combined iron and oxygen in marine and fresh waters The two most important minerals in these deposits are iron oxides hematite Fe 2 O 3 and magnetite Fe 3 O 4 These iron ores have been mined to produce Online ChatGet price


Iron ore how our greatest asset is formed

The largest sources of iron ore on the planet are known as banded iron formations (BIFs) known in Brazil as itabirites and jaspelites The rock in these formations undergoes intense physical and chemical processes that result in the removal of silica transforming it into hematitite (rock rich in hematite) Get price


List of Important Sedimentary Rocks

Sedimentary iron deposits are regarded having formed chiefly as chemical precipitates in the form of oxides carbonates and silicates from marine waters rich in corresponding salts Metasomatic replacement has also been suggested as another important process for formation of many iron ore Get price



The above classification scheme is the most commonly used and accepted though sometimes an older system is used which divides iron-rich sedimentary rocks into three categories bog iron deposits ironstones and iron formations A bog-iron deposit is iron that formed in a bog or swamp through the process of oxidation Get price


EARTH SCIENCE QUESTION Which rocks are examples of

To answer your question lets go over what Chemical Sedimentary Rock is Chemical Sedimentary Rocks are formed by the cementation saturation and deposition of minerals in the solution causing them to be inorganic and preciptate The most known example of this is rock salt Get price


The sedimentary iron ore Family of Rocks

The deposits of iron ore which occur as rocks interstratified or associated with sedimentary beds have originated through complex processes sometimes wholly sometimes partly of a purely chemical nature and usually more or less influenced by the agencies of organic life Get price


Sedimentary Iron Deposits

Iron Ore Sedimentary Rock 2019-9-17what is iron ore earths most important iron ore deposits are found in sedimentary rockshey formed from chemical reactions that combined iron and oxygen in marine and fresh watershe two most important minerals in these deposits are iron oxides hematite fe 2 o 3 and magnetite fe 3 o 4 these iron ores have been mined to produce Get price


Weathering Soil and Sedimentary Rocks

It is the main source of aluminum ore Gossans - hydrated iron oxides formed on the earth's surface by oxidation of iron Sulfide minerals leach out and concentrate as deposits of iron ore copper ore lead and zinc ore beneath the gossan Sedimentary rocks are produced by surface processes Get price


How Is Iron Extracted From the Earth?

Iron ores in the form of hematite (ferrous oxide) and magnetite are removed from the earth through mining The use of heavy mining equipment is necessary to dig out large pits in an area with a large deposit of iron ore however because iron does not occur naturally it is necessary to use a blast furnace to separate or refine iron from the other substances in the iron ore Get price


mining method and process of sedimentary

mining method and process of sedimentary Iron processing 24/6/2019Iron processing Iron processing use of a smelting process to turn the ore into a form from which products can be fashioned Included in this article also is a discussion of the mining of iron and of its preparation for smelting Get price


How is iron formed or made?

Jun 26 2017Iron is formed in a large variety of ways Most of the iron we see however is formed from fusion within stars Stars produce heat and light due to nuclear fusion processes The immense gravity from stars causes the elements that make up the star Get price


Iron Ore Sedimentary Rock

iron ore was formed by chemical sedimentary processes Essay on Sedimentary processes of oreformation Dittler has shown that a temperature above 20C favours the process of chemical decomposition of bed rocks The occurrence of some manganese deposits in the Keonjhar District of Odisha are believed to have formed by this process where by manganese at one level has been Get price


Hematite A primary ore of iron and a pigment mineral

What is Hematite? Hematite is one of the most abundant minerals on Earth's surface and in the shallow crust It is an iron oxide with a chemical composition of Fe 2 O 3 It is a common rock-forming mineral found in sedimentary metamorphic and igneous rocks at locations throughout the world Hematite is the most important ore of iron Although it was once mined at thousands of locations around Get price


Iron isotope fractionation during hydrothermal ore

Iron isotopes fractionate during hydrothermal processes Therefore the Fe isotope composition of ore-forming minerals characterizes either iron sources or fluid histories The former potentially serves to distinguish between sedimentary magmatic or metamorphic iron sources and the latter allows the reconstruction of precipitation and redox processes These processes take place during ore Get price


Sediment Sedimentary Rocks and Processes

•They account for most of the iron ore mined in the world today •Their origin is poorly inderstood because they formed about 2 billion years ago when the Earth had little oxygen in the atmophere •Consequently silica and iron were in a reduced form and were much more present in seawater than today Sediment and Sedimentary Rocks as Get price


Sedimentary Ore Deposits Flashcards

Sedimentary Ore Deposits STUDY PLAY Biogenic Precipitation (Precipitants) Due to the action of organisms BIF (Banded Iron Formation) 2 6 to 1 6 Ga year-old layered iron oxides and silicates Probably formed due to bacteriogenic activity Major source of iron ore Phosphorites Are very important in the chemical industry Get price


Chemical Speciation of Arsenic

Chemical Speciation of Arsenic-Accumulating Mineral in a Sedimentary Iron Deposit by Synchrotron Radiation Multiple X-ray Analytical Techniques (SR-μ-XRF) imaging showed a high level of arsenic accumulation in the iron ore as dots of ca 20 μm Based on SEM observations and SR X-ray powder Institute of Chemical Process Fundamentals of Get price


The Chemical Relation of Iron and Manganese in

THE CHEMICAL RELATION OF IRON AND MAN- iron and exists in the form of a manganiferous iron ore The manganese when not intimately mixed with the iron may occur derived a part or all of their iron from older sedimentary rocks which in turn had derived their iron and manganese from Get price


How Ore Deposits Are Formed?

New computer simulations by geologists from ETH Zurich demonstrate how large copper and gold deposits are formed The enrichment process of these metals follows physical principles that are similar to the extraction of deep geothermal energy by hydraulic fracturing of the rock Get price

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