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lake superior type banded iron formation

Lake Superior-type banded-iron formation deposit | Britannica

Other articles where Lake Superior-type banded-iron formation deposit is discussed: mineral deposit: Iron deposits:Lake Superior and are called Lake Superior-type deposits. Their individual sediment layers can be as thin as 0.5 millimetre (0.02 inch) or as thick as 2.5 centimetres (1 inch), but the alternation of a siliceous band and an iron mineral band is invariable.

Banded iron formation Sandatlas

By far the most important type of banded iron formations formed during the Paleoproterozoic (Superior-type, named after lake Superior). They formed on stable continental shelves. Superior-type deposits are large in dimensions (more than 100 meters in thickness and over 100 km in lateral extent).

Lake Superior-type iron formation:

Lake Superior-type iron formation: Iron formations which formed during Middle Precambrian time (about 2,000 million years ago) and were first described in the Lake Superior region. The type is characterized by interlayers (bands) of iron minerals and chert (quartz).

Lake Superior Type Banded Iron Formations as an Analog to

Archean Earth Banded Iron Formation (BIF) has been suggested as a possible terrestrial analog for Early Mars (Calvin, 1998). Two types of BIF in the United States and Canada have been differentiated based on their respective origins. The Algoma type deposits in Ontario, Canada are in close proximity to ancient volcanic centers suggesting a sub-aqueous hydrothermal origin similar to modern day

Algoma-type banded-iron formation deposit | Britannica

Other articles where Algoma-type banded-iron formation deposit is discussed: mineral deposit: Iron deposits:of BIF, known as an Algoma type, formed over a much wider time range than the Lake Superior type (from 3.8 billion to a few hundred million years ago). Algoma-type BIFs are also finely layered intercalations of silica and an iron mineral, generally hematite or magnetite, but the

Lake Superior Type Banded Iron Formations as an Analog to Mars

Lake Superior Type Banded Iron Formations as an Analog to Mars: Authors: Fallacaro, A.; Calvin, W. M. The Lake Superior type BIF deposits in the upper peninsula of Michigan are not associated with extrusive volcanic materials and are therefore interpreted as chemical precipitates of iron-rich waters in a shallow sea (James, 1954).

Animikie Group Wikipedia

The iron ore of the Cuyuna is a Lake Superior-type iron-formation similar to other iron formations in the region. [9] The Mahnomen Formation has a lower member, which lacks iron oxide components, and an upper member dominated by beds of iron oxide argillite and lean iron-formation interlayered with non-iron oxide argillite, siltstone and

Chemostratigraphy of Neoproterozoic banded iron formation

The most positive δ53Cr values occur in the open-shelf, Lake Superior type BIF, especially those of Ediacaran age. tion of Rapitan type banded iron formation (BIF) during glacial retreat

Chemostratigraphy of Neoproterozoic banded iron formation

The most positive δ53Cr values occur in the open-shelf, Lake Superior type BIF, especially those of Ediacaran age. tion of Rapitan type banded iron formation (BIF) during glacial retreat

Lake Superior Type Banded Iron Formations as an Analog to

Archean Earth Banded Iron Formation (BIF) has been suggested as a possible terrestrial analog for Early Mars (Calvin, 1998). Two types of BIF in the United States and Canada have been differentiated based on their respective origins. The Algoma type deposits in Ontario, Canada are in close proximity to ancient volcanic centers suggesting a sub-aqueous hydrothermal origin similar to modern day

Banded Iron Formation an overview | ScienceDirect Topics

Age distributions of Rapitan/Clinton iron-formations, Algoma and Superior type banded iron-formations, volcanogenic massive sulphide deposits, vein-type Au–U deposits, and quartz-pebble conglomerate-type Au–U deposits. Data from Meyer (1985), Kimberley (1989), Barley and Groves (1992), and Ohmoto (1996a).

Spectral properties of Lake Superior banded iron formation

Lake Superior Type (LST) banded iron formation (BIF) was investigated as a spectral and possible process analog to these deposits. In northern Michigan, LST BIF formed in a sedimentary, continental shelf or shallow basin environment under stable tectonic conditions, and the oxide facies contains gray, crystalline hematite.

Lake Superior Type Banded Iron Formation Kaseo Heavy

Lake Superior Type Banded Iron Formations as an Analog. Abstract The Lake Superior type BIF deposits in the upper peninsula of Michigan are not associated with extrusive volcanic materials and are therefore interpreted as chemical precipitates of ironrich waters in a shallow sea James 1954 The Thermal Emission Spectrometer TES discovery of

Banded iron formation Wikipedia

By contrast, Lake Superior-type banded iron formations primarily formed during the Paleoproterozoic era, lack the europium anomalies of the older Algoma-type BIFs, suggesting a much greater input of iron weathered from continents, and iron isotope ratios suggest that dissimulatory iron reduction expanded greatly during this period.

Banded Iron Formations | Encyclopedia

Lake Superior-type banded iron formations were chemically precipitated on marine continental shelves and in shallow basins. They are commonly interlayered with other sedimentary or volcanic rocks such as shale and tuff. Most Lake Superior-type banded iron formations formed during the Paleoproterozoic, between 2.5 and 1.8 billion years ago.

Banded Iron-Formations: Introduction and Distribution

The iron- formation in the Yavapai Series of central Arizona was metamorphosed between 1,820 and 1,760 m.y. ago and may be coeval with those of the Lake Superior region. The iron-formation in the lower part of the Damara Super-group of South West Africa

Fort Laramie & Hartville Uplift Geology of Wyoming

Lake Superior-type banded iron formation is a distinctive sedimentary rock with very laterally continuous layers of iron minerals alternating with silica (chert) deposits. Probably deposited on a shallow stable continental shelf within a narrow time range of precipitation (2.7-1.8 billion years ago).

Geology of the Biwabik Iron Formation and Duluth Complex

Oct 01, 2008· Taconite mines of the Mesabi Iron Range are developed in the Biwabik Iron Formation, which is the type example of Lake Superior-type banded iron-formation. Banded iron-formations are a type of chemical sedimentary rock composed of alternating granular (“cherty”) and laminated (“slaty”) layers that were deposited in nearshore marine

(PDF) Banded iron formation to iron ore: A record of the

Banded iron formations (BIF) are the protolith to most of the world's largest iron ore deposits. Previous hypogene genetic models for Paleoproterozoic "Lake Superior" BIF-hosted deposits invoke

Formación de hierro bandeado Wikipedia, la enciclopedia

Las formaciones de hierro bandeado (BIF, Banded Iron Formation) son rocas sedimentarias que contienen al menos un 15% de hierro (Fe), [1] y presentan una estructura formada por bandas, estando unas compuestas por el hierro, y las otras por sílex. [2] El hierro suele aparecer en forma de óxidos, normalmente magnetita (Fe 3 O 4) y hematita (Fe 2 O 3). [3]

Iron Formation: The Sedimentary Product of a Complex

deposition of giant iron formations, as they are coeval with, and genetically linked to, time periods when large igneous provinces (LIPs) were emplaced. Superior-type iron formation first appeared at ca. 2.6 Ga, when con-struction of large continents changed the heat flux at the core-mantle boundary. From ca. 2.6 to ca. 2.4 Ga,

Major Mines & Projects | Vargem Grande Mine

The Lake Superior-type Cauê banded-iron Formation lies on Caraça metasediments. The Cauê Formation is a carbonate sequence of the Gandarela Formation. Lying locally unconformably on the Gandarela Formation, the Piracicaba Group comprises a thick pile of shallow-water and deltaic strata.

Banded Iron-Formations: Introduction and Distribution

The iron- formation in the Yavapai Series of central Arizona was metamorphosed between 1,820 and 1,760 m.y. ago and may be coeval with those of the Lake Superior region. The iron-formation in the lower part of the Damara Super-group of South West Africa

Lake Superior Type Banded Iron Formation Kaseo Heavy

Lake Superior Type Banded Iron Formations as an Analog. Abstract The Lake Superior type BIF deposits in the upper peninsula of Michigan are not associated with extrusive volcanic materials and are therefore interpreted as chemical precipitates of ironrich waters in a shallow sea James 1954 The Thermal Emission Spectrometer TES discovery of

Geology of the Biwabik Iron Formation and Duluth Complex

Oct 01, 2008· Taconite mines of the Mesabi Iron Range are developed in the Biwabik Iron Formation, which is the type example of Lake Superior-type banded iron-formation. Banded iron-formations are a type of chemical sedimentary rock composed of alternating granular (“cherty”) and laminated (“slaty”) layers that were deposited in nearshore marine

Formations of Banded Iron in World | Metals | Metallurgy

Summary of depositional types iron-formations. Relative to the principal environments of deposition, a grouping into two main types of banded iron-formation has been explicitly established by Gross (1965): the Algorna-type and the Lake Superior type. A comparison of the characteristic features of these two types is shown in Table 2.2.

(PDF) Banded iron formation to iron ore: A record of the

Banded iron formations (BIF) are the protolith to most of the world's largest iron ore deposits. Previous hypogene genetic models for Paleoproterozoic "Lake Superior" BIF-hosted deposits invoke

CHAPTER CHEMOSTRATIGRAPHY OF NEOPROTEROZOIC

Banded iron formations (BIFs) are nonactualistic rocks deposited in the Archean, Paleoprotero- Accordingly, the Lake Superior-type BIFs were deposited on stable continental platforms, and Algoma-type BIFs are associated with volcanic rocks and were deposited in arc or rift settings. A third

Major Mines & Projects | Vargem Grande Mine

The Lake Superior-type Cauê banded-iron Formation lies on Caraça metasediments. The Cauê Formation is a carbonate sequence of the Gandarela Formation. Lying locally unconformably on the Gandarela Formation, the Piracicaba Group comprises a thick pile of shallow-water and deltaic strata.

Chert vs Banded iron formation Compare Nature

The hardness of Chert is 6.5-7 and that of Banded iron formation is 5.5-6. The types of Chert are Flint, Jasper, Radiolarite, Common Chert, Chalcedony, Agate, Onyx, Opal, Magadi-type Chert, Porcelanite, Siliceous Sinter whereas types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite.

What are the different types of agate? Geology Page

The Lake Superior Agate. Photo by Lech Darski. The Lake Superior agate is a type of agate stained by iron and found on the shores of Lake Superior. Its wide distribution and iron-rich bands of color reflect the gemstone’s geologic history in Minnesota, Wisconsin, and Michigan. In 1969 the Lake Superior agate was designated by the Minnesota

Major Mines & Projects | Southeastern System Mine

The Lake Superior-type Cauê banded-iron Formation lies on Caraça metasediments. The Cauê Formation is a carbonate sequence of the Gandarela Formation. Lying locally unconformably on the Gandarela Formation, the Piracicaba Group comprises a thick pile of shallow-water and deltaic strata.

M3 Metals Corp Block 103 Iron Ore Project

The iron formation on the Block 103 property is iron formation of the Lake Superior-type. "Lake Superior-type iron formation consists of banded sedimentary rocks composed principally of bands of iron oxides, magnetite and hematite within quartz (chert)-rich rock with variable amounts of silicate, carbonate and sulphide lithofacies.

Penokee Group, Ironwood, Gogebic iron range, Gogebic Co

Deposit Type: Banded Iron-Rich Sedimentary Deposits Development Status: Past Producer Deposit Model: 241: Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

SPECTRAL AND GEOCHEMICAL CHARACTERISTICS OF LAKE

SPECTRAL AND GEOCHEMICAL CHARACTERISTICS OF LAKE SUPERIOR TYPE BANDED IRON FORMATION: ANALOG TO THE MARTIAN HEMATITE OUTCROPS. Alicia Fallacaro1 and Wendy M. Calvin1, 1University of Nevada, Reno. Introduction: The Thermal Emission Spectrome- ter (TES) onboard Mars Global Surveyor discovered

Iron formation

Banded iron-formation (BIF), the precursor to low- and high-grade BIF-hosted iron ore, consists of Archean and Paleoproterozoic Algoma-type BIF (e.g. Serra Norte iron ore district in the Carajás Mineral Province), Proterozoic Lake Superior-type BIF (e.g. deposits in the Hamersley Province), and Neoproterozoic Rapitan-type BIF (e.g. the Urucum