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What is the most common type of chemical sedimentary rock ,

Nov 26, 2021 0183 32 Shale is a clastic sedimentary rock Sandstone is a clastic sedimentary rock Coal is an organic sedimentary rock Iron ore is an example of chemical sedimentary rock because they are formed by the chemical reaction of iron with oxygen present in a marine or fresh water Hence, iron ore is the correct option Learn more about sedimentary rock ....

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what type of rock is iron ore

Is iron ore an igneous? Iron ores occur in igneous, metamorphic transformed , or sedimentary rocks in a variety of geologic environmentsMost are sedimentary, but many have been changed by weathering, and so their precise origin is difficult to determine...

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Genesis of the Neoproterozoic

Apr 15, 2019 0183 32 Genesis of the Neoproterozoic-Early Cambrian banded iron ore-bearing sedimentary rocks in the Jiertieke-Zankan iron ore belt, West Kunlun Orogenic Belt, Xinjiang NW China Author links open overlay panel Zhiquan Li a b c Lianchang Zhang a Chunji Xue b Mingtian Zhu a Mengtian Zheng a Leslie J Robbins c Kurt O Konhauser c...

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iron processing

iron processing - iron processing - Ores Iron ores occur in igneous, metamorphic transformed , or sedimentary rocks in a variety of geologic environments Most are sedimentary, but many have been changed by weathering, and so their precise origin is difficult to determine The most widely distributed iron-bearing minerals are oxides, and iron ores consist mainly of hematite ,...

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HIELIMINARY REPCRT IEON DEPOSITS OF RUNNING WOLT ,

The iron ore deposits of this district ar« commonly found adjacent to the contact of the larger intrusive bodies and the sedi 173 mentary rocks Because of this fact it was believed that the iron ores are normal contact deposits and that these deposits might be found any 173 where along the contact of the sedimentary and igneous rocks However....

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Classification of Sedimentary Rocks

Classification of Sedimentary Rocks by Russell B Travis Web pages adapted from Quarterly of the Colorado School of Mines, vol 50, no 1 Texture , Limonite Rock massive limonite Bog Iron Ore earthy, impure, limonite Ironstone Clay ironstone coherent mixture of iron, silica, clay, ....

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Hematite A primary ore of iron and a pigment mineral

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...

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Sedimentary Hosted Iron Ores

Iron ore has been mined from igneous, metamorphic and sedimentary hosted deposits , North American deposits he defined iron-formation as a sedimentary rock with more than 15 of Fe...

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Sedimentary Mineral Deposits

Oct 05, 2016 0183 32 Mechanical Deposition of Sedimentary Mineral Deposits In some cases, the ore mineral, on account of its resistance to weathering and its hardness, survived the destruction of many of the rock minerals and, during sedimentation, on account of its weight, it was sorted out from the fragments of quartz and other resistant minerals...

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Skarn Types, Composition, Formation, Uses » Geology Science

Skarn, in geology, metamorphic zone developed in the contact area around igneous rock intrusions when carbonate sedimentary rocks are invaded by large amounts of silicon, aluminum, iron, and magnesium Many skarns also include ore minerals several productive deposits of copper or other base metals have been found in and adjacent to skarns...

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Minerals and Rocks MCQ for Class 11 Geography Chapter 5 ,

iii Iron Ore iv Tin Show Answer iii Iron Ore Q27 The textures a clastic sedimentary rock can have are i fine-grained texture ii medium-grained and hard-grained texture iii coarse-grained and fine-grained texture iv fine-grained, medium-grained and hard-grained texture...

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Iron Ore Sedimentary Rock

iron ore sedimentary 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...

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Learning Geology Breccia

Mar 16, 2015 0183 32 Sedimentary breccia is a type of clastic sedimentary rock which is made of angular to subangular, randomly oriented clasts of other sedimentary rocks A conglomerate, by contrast, is a sedimentary rock composed of rounded fragments or clasts of pre-existing rocks , The iron ore deposits are found in sedimentary rocks They are formed by the ....

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44 Electrical conductivity of minerals and rocks

Iron 10 x 10-8 Mercury 95 x 10-8 Silver 16 x 10-8 Steel 15-90 x 10-8 Graphite, a form of carbon, is also an electronic conductor, with a resistivity of 10-4 to 5x10-3 Ohm-m Graphite occurs in metamorphic rocks and is difficult to distinguish from metallic ore minerals...

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Origin of iron ore by diagenetic replacement of calcareous ,

MANY non-uniformitarian1 or quantitatively improbable2 hypotheses have been offered to explain the origins of extensive sedimentary rocks rich in ,...

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what is a chemical rock

Examples include chert, some dolomites, flint, iron ore, limestones, and rock salt What type of rock is a chemical rock? Chemical sedimentary rocks Chemical sedimentary rocks Chemical sedimentary rock forms when mineral constituents in solution become supersaturated and inorganically precipitate...

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Learning Geology Iron Ore

Mar 17, 2015 0183 32 The iron ore deposits are found in sedimentary rocks They are formed by the chemical reaction of iron and oxygen mixed in the marine and fresh water The important iron oxides in these deposits are hematite and magnetite These are ,...

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Wisconsin Rocks and Minerals

Oct 12, 2021 0183 32 Iron ore is any rock that contains mineable iron These rocks are metamorphic, fine- to medium-grained, and can range in color from dark gray to rusty red In Wisconsin, the most important iron-bearing minerals are magnetite, hematite, and goethite/limonite Magnetite is highly magnetic hold a strong magnet up to a rock to test whether it ....

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PDF Sedimentary Manganese and Iron Ore Deposits

Sed Mn Fe Ore Deposits 10 Economic Aspects V ast resources Mn, Fe, Cu, Ni, Co, Zn Contain economically important metals 25 Manganese, 15 Iron, 2 Nickel, 2 Copper and cobalt but too ....

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Michigan Iron Mines

Michigan iron ore is found as isolated masses in a Huronian rock called iron formation Iron formation is a banded sedimentary rock commonly composed of layers of silica the mineral of sand and glass , alternating with layers of iron minerals Such rock is found only in very old rocks, the Precambrian fig 3 Conditions for banded...

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Scientists give new clues to find iron ore deposits ,

Sep 27, 2020 0183 32 All geologists looking for iron oxide-apatite deposits would have to do is target areas where magmatic rocks have been emplaced into sedimentary basins containing limestones or salt deposits...

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Iron Geoscience Australia

Iron ores are rocks from which metallic iron can be economically extracted Most deposits of iron ore in the world are found in rocks known as banded iron formations BIFs These are sedimentary rocks that have alternating layers of iron-rich minerals and a fine-grained silica rock called chert...

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What is sedimentary rock and example?

Jun 06, 2020 0183 32 What is sedimentary rock and example? Sedimentary rocks are formed by the accumulation of sediments Examples include chert, some dolomites, flint, iron ore, limestones, and rock salt Organic sedimentary rocks form from the accumulation of plant or animal debris Examples include chalk, coal, diatomite, some dolomites, and some limeston...

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What minerals are in sandstone?

Apr 11, 2020 0183 32 Clastic sedimentary rocks such as breccia, conglomerate, sandstone, siltstone, and shale are formed from mechanical weathering debris Chemical sedimentary rocks, such as rock salt, iron ore, chert, flint, some dolomites, and some limestones, form when dissolved materials precipitate from solution...

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Sedimentary Rocks Pictures, Characteristics, Textures ,

Aug 25, 2013 - A photo gallery of sedimentary rocks Breccia, caliche, chalk, chert, coal, conglomerate, coquina, diatomite, dolomite, flint, iron ore, limestone, oil ....

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Precambrian Geology College of Science and Engineering

Pig iron...

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Banded Iron Formations BIF

Banded iron formations also known as banded ironstone formations or BIFs are distinctive units of sedimentary rock that are almost always of Precambrian age A typical BIF consists of repeated, thin layers a few millimeters to a few centimeters in thickness of silver to black iron oxides, either magnetite Fe3O4 or hematite Fe2O3 , alternating with bands of iron-poor ,...

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The Chemical Relation of Iron and Manganese in ,

THE CHEMICAL RELATION OF IRON AND MAN- GANESE IN SEDIMENTARY ROCKS IRON and manganese are frequent constituents of sedimentary rocks, in some places occurring finely disseminated through sandstones and shales, or forming a part of limestones, in other places forming the mass of the deposit in which they occur...

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EARTH SCIENCE QUESTION Which rocks are examples of ,

Oct 08, 2018 0183 32 Of the list you have provided of possible examples the following are defined as chemical sedimentary rock Rock Salt Iron Ore SOME limestones I hope this helps in answering your question Advertisement Advertisement fevans1986 fevans1986 Answer Limestone Rock Salt Iron Ore Explanation I took the test...

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Rocks Minerals Sedimentary Rocks Flashcards Quizlet

Which rock is an example of an organic sedimentary rock? iron ore rock salt limestone sandstone limestone Which two parts of sedimentary rock formation include the breakdown and carrying away of existing rock? cementation and erosion compaction and cementation deposition and compaction...

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