Bog iron - The Full Wiki

Bog iron refers to impure iron deposits that develop in bogs or swamps by the chemical or biochemical oxidation of iron carried in the solutions. In general, bog ores consist primarily of iron oxyhydroxides, commonly goethite (FeO(OH)). It was discovered during the Pre-Roman Iron Age, and most Viking era iron was smelted from bog iron.

Bog - New World Encyclopedia

A bog is a freshwater wetland characterized by acidic peat deposits and by moisture provided by precipitation (rain and snow) rather than groundwater or interior drainage.The precipitation leaches nutrients from the soil, while acid is produced from the decomposing organic material (Finlayson and Moser 1991).The United States Environmental Protection Agency (EPA) considers the bog one of the ...

Sinter - Encyclopedia

SINTER, a word taken from the German (allied to Eng. "cinder") and applied to certain mineral deposits, more or less porous or vesicular in texture. At least two kinds of sinter are recognized - one siliceous, the other calcareous. Siliceous sinter is a deposit of opaline or amorphous silica from hot springs and geysers, occurring as an incrustation around the springs, and sometimes forming ...

Iron oxidizing bacteria - Alchetron, the free social ...

Apr 28, 2018· Iron-oxidizing bacteria are chemotrophic bacteria that derive the energy they need to live and multiply by oxidizing dissolved ferrous iron. They are known to grow and proliferate in waters containing iron concentrations as low as 0.1 mg/l of. However, at least 0.3 ppm of dissolved oxygen is needed to carry out oxidation.

Knieskern's Beaked-rush | Encyclopedia.com

Bog iron deposits are subject to the erosional forces of the stream system. The durability of the bog iron allows the habitat to remain essentially unchanged in an early ecological successional stage. Bog iron sites are considered a naturally maintained and long-lasting habitat for the species.

Bog iron ore synonyms, Bog iron ore antonyms ...

Synonyms for Bog iron ore in Free Thesaurus. Antonyms for Bog iron ore. 1 word related to limonite: iron ore. What are synonyms for Bog iron ore?

Rock Types - sandatlas.org

The major impurities are iron oxides and hydroxides (which give reddish color to most bauxites) and clay minerals. Bauxite is a weathering product of aluminum-bearing rocks.^ Bog iron is a type of iron ore composed of limonite with impurities like clay or plant debris. Bog iron is porous rock formed in bogs, wetlands, and shallow lakes.

Brian Albright | Encyclopedia of Greater Philadelphia

Brian Albright. Iron Production. ... Limonite, better known as bog iron, was the basis for iron production in southern New Jersey. (Photograph by Arthur Murphy for The Encyclopedia of Greater Philadelphia)[/caption] Geographically and geologically, the counties of southern New Jersey were particularly well suited to charcoal-fueled iron ...

Limonite - Encyclopedia - theodora.com

Bog iron ore is an impure limonite, usually formed by the influence of micro-organisms, and containing silica, phosphoric acid and organic matter, sometimes with manganese. The various kinds of brown and yellow ochre are mixtures of limonite with clay and other …

Iron Ore | The Canadian Encyclopedia

Nov 16, 2015· Iron Ore. Iron is a common metal found in the earth's crust, where it occurs in combination with other elements. The term "iron ore" is used when the rock is sufficiently rich in iron minerals to be mined economically. Iron ore yields metallic iron (Fe) when heated in the presence of a reducing agent such as coke.

Iron Production | Encyclopedia of Greater Philadelphia

The bog iron ore would rise up to the various creeks, rivers, and lakes of southern New Jersey. Iron forgers could harvest this bog iron ore from the creek and river beds of the region and use it to produce refined iron. (Photograph by Arthur Murphy for The Encyclopedia of Greater Philadelphia)

Ironstone, Massachusetts Facts for Kids

Ironstone is an historic village, (today known mainly as South Uxbridge), in the township of Uxbridge, Massachusetts, United States.It derived its name from plentiful bog iron found here which helped Uxbridge to become a center for three iron forges in the town's earliest settlement. South Uxbridge has historic sites, picturesque weddings, hospitality, industrial and distribution centers, and ...

Bog iron | Article about Bog iron by The Free Dictionary

bog iron ore: see limonite limonite or brown hematite, yellowish to dark brown mineral, a hydrated oxide of iron, FeO(OH)·nH 2 O, occurring commonly in deposits of secondary origin, i.e., those formed by the alteration of minerals containing iron. Click the link for more information.. bog iron ore [′bäg ¦ī·ərn ‚ȯr]

Mishawaka, Indiana - Wikipedia

Mishawaka's recorded history began with the discovery of bog iron deposits at the beginning of the 1830s. Settlers arriving to mine the deposits founded the town of St. Joseph Iron Works in 1831. Within a few years, the town had a blast furnace, a general store, a tavern, and about 200 residents.

bog | National Geographic Society

Bog Iron Groundwater that feeds bogs is sometimes rich in iron and other metals. A complex reaction causes this iron to oxidize, giving some bogs a reddish-orange color. This iron eventually becomes bog iron, deposits of the metal that can be smelted and used for industry. Most of the iron used by Vikings for armor and tools was smelted from ...

Limonite - The Full Wiki

LIMONITE, or Brown Iron Ore, a natural ferric hydrate named from the Gr. Xajscw (meadow), in allusion to its occurrence as "bog-ore" in meadows and marshes.It is never crystallized, but may have a fibrous or microcrystalline structure, and commonly occurs in concretionary forms or in compact and earthy masses; sometimes mammillated, botryoidal, reniform or stalactitic.

Talk:Bog iron - Wikipedia

Bog iron is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information. B This article has been rated as B-Class on the project's quality scale. Low This article has been rated as Low-importance on the ...

Bog body - Academic Kids

Bog bodies, also known as bog people, are preserved human bodies found in sphagnum bogs.Under certain conditions, the acidity of the water, the cold temperature and the lack of oxygen combine to tan the body's skin - skeletal preservation is very rare in these bodies, as the acid in the soil is extremely damaging to bone. Some bog bodies have been dated at more than 10,000 years old.

Bog_iron - chemeurope.com

Bog iron refers to impure iron deposits that develop in bogs or swamps by the chemical or biochemical oxidation of iron carried in the solutions. In general, bog ores consist primarily of iron oxyhydroxides, commonly goethite (FeO(OH)). It was discovered during the Pre-Roman Iron Age, and most Viking era iron was smelted from bog iron.. Iron-bearing groundwater typically emerges as a spring.

Category:Iron - Simple English Wikipedia, the free ...

Pages in category "Iron" The following 48 pages are in this category, out of 48 total.

Iron Age - HISTORY

Jan 03, 2018· The Iron Age was a period in human history that followed the Bronze and Stone Ages. During the Iron Age, people across much of Europe, Asia and …

Limonite - chemeurope.com

Together with hematite, it has been mined as ore for the production of iron.Limonite is heavy and yellowish-brown. It is a very common amorphous substance though can be tricky to find when mined with hematite and bog ore.. It is not a true mineral and it is composed by a mixture of similar hydrated iron oxide minerals, mostly goethite with lepidocrocite, jarosite, and others.

Mining: Europe (Rehren & Martinon-Torres 2008, in ...

Throughout the Middle Ages open-pit is based. Depending on the nature of the minerals extracted, extraction was the dominant method for acquiring iron ore, mining comprises several activities, each with its own tra- typically bog iron formations and tin stone concentrated in ditions and techniques.

Bog iron - Wikipedia

Feb 28, 2017· Bog iron is a form of iron found in swamps.Bog Iron is generally found in a spring.. Europe and the North. Smelting bog iron has existed since pre-Roman times. Most iron smelted during the Viking era came from bog iron. In Russia, bog iron was the main source of iron until the sixteenth century.. North America. Iron was produced by Vikings around 1000 AD.

Limonite - 1911 Encyclopedia Britannica - Bible Encyclopedia

The "eagle stones" of older writers were generally concretions of this kind, containing some substance, like sand, which rattled when the hollow nodule was shaken. Bog iron ore is an impure limonite, usually formed by the influence of micro-organisms, and containing silica, phosphoric acid and organic matter, sometimes with manganese.

Bog iron ore | mineral | Britannica.com

Bog iron ore: Bog iron ore, Iron ore consisting of hydrated iron oxide minerals such as limonite and goethite formed by precipitation of groundwater flowing into wetlands. Bacterial action contributes to formation of the ore. Economically useful deposits can regrow within 20 years after harvesting. Bog iron …

Bog iron — Wikipedia Republished // WIKI 2

From Wikipedia, the free encyclopedia. Bog ore. Bog iron is a form of impure iron deposit that develops in bogs or swamps by the chemical or biochemical oxidation of iron carried in solution. In general, bog ores consist primarily of iron oxyhydroxides, commonly goethite (FeO ...

Limonite Facts for Kids - Kiddle encyclopedia

Bog iron ore and limonite mudstones are mined as a source of iron, although commercial mining of them has ceased in the United States. Iron caps or gossans of siliceous iron oxide typically form as the result of intensive oxidation of sulfide ore deposits. These gossans were used by prospectors as …