lake superior type banded iron formation

1999 Lake Superior Field Trip

Major geologic features encountered on the field trip include Archean granulites and migmatites, Archean greenstone belts, Banded Iron formations, the Keweenawan Rift, The Duluth Layered Complex, and the Lake Superior basin What follows are notes and images from our department s field trip By definition they are a bit hodge-podge in character...

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lake superior type banded iron formation

Lake Superior Type Banded Iron Formations as an , Fallacaro, A Calvin, W M Archean Earth Banded Iron Formation BIF has been suggested as a possible terrestrial analog for ,...

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TABLE DR1 PRECAMBRIAN SUPERIOR

Included here within Superior-type BIF and Rapitan-type banded iron formation are granular iron formation and non-banded ironstone, respectively Algoma-type iron formation, which occurs in or is closely associated with volumetrically abundant metavolcanic rocks 1, 2, 3 , is excluded from the compilation because this generally...

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AN OVERVIEW OF THE GEOLOGY OF THE GREAT LAKES BASIN

shallow sea rift basins on top of the older Archean rocks 2, 4 Figure 2 The Superior-type banded iron formations of the Lake Superior region were deposited during this episode While these sedimentary rocks were deposited in northern Minnesota and Michigan s Upper Peninsula, to the south in ,...

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Extraterrestrial demise of banded iron formations 185 ,

Extraterrestrial demise of banded iron formations 185 billion years ago John F Slack and William F Cannon US Geological Survey, National Center, MS 954, Reston, ia 20192, USA ABSTRACT In the Lake Superior region of North America, deposition of most banded iron formations...

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Banded Iron Formation BIF Geology Page

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 25 and 18 billion years ago...

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1 Lutsinge B 2 Muravha E 3 Moswathupa H

Algoma-type banded iron formations Algoma type BIFs are associated with volcanic arcs and are typically found in Archean greenstone belts Lake Superior-type banded iron formations The majority of Lake Superior, or simply Superior, type BIFs are located on stable continental platforms and were mainly deposited in Paleoproterozoic tim...

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The Joffre banded iron formation, Hamersley Group, ,

atively uncommon but has been observed in Superior-type BIF in the Lake Superior region, Canada Van Hise and Leith, 1911 , in the Kuruman Iron Formation, South Africa Beukes, 1973 and in the Brockman Iron Formation, Western Australia Ayres, 1972 Krapezˇ et al, 2003 Recently, Rasmussen et al 2013, 2014...

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A CLASSIFICATION OF IRON FORMATIONS BASED ON ,

of occurrence of iron formation Gross L973 An attempt is made in this paper to outline the relationships among different sedimentary envi-ronments as concerved in a general tectonic framework and to update the basis for the classification of iron formations DeposlrtoNel ENVTRoNMENTS The well-known Lake-Superior-type iron for-...

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Fort Laramie Hartville Uplift

Two types of iron deposits are present in the Hartville Uplift 1 hematite ore specularite and red ochre, earthy hematite and 2 Lake Superior-type banded iron formation, a shallow marine sedimentary rock Both ores are concentrated in the Archean Whalen Group schist below an overlying metadolomite dolomitic marble...

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Major Mines Projects Minas Centrais 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...

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US DEPARTMENT OF THE INTERIOR MISCELLANEOUS ,

of Lake Superior-type banded iron-formation XWfi Gross, 1965 James, 1983 , which in the northern hemisphere characteristically is Early Proterozoic in age Gross, 1980, p 218 STRUCTURE Four episodes of compressional deforma 173 tion, designated D1 through D4, are recorded in the supracrustal rocks and their basement in...

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Ch9 Proterozoic Flashcards Quizlet

A sequence of banded iron formation rocks that are exposed in the Gunflint Range of northern Minnesota and northwestern Ontario along the north shore of Lake Superior term The gunflint chert...

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Banded iron formation

Banded iron formation BIF is the principal source of iron BIF is a rock type composed of alternating silica- and iron-rich bands Banded iron formation is economically among the most important rock types as our society is heavily reliant on iron, which is mostly extracted from this rock...

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Banded iron formation Types and Facts Monuments

The types of Banded iron formation include Algoma-type , Lake Superior-type, Superior-type and Taconite Depending upon Banded iron formation Texture, it is divided into typ Here, you will get to know about Banded iron formation types, interesting facts, features of Banded iron formation, its monuments and fossils...

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Banded Iron Formations

Lake Superior Agate Flooding Southern Minnesota , Banded Iron Formations This is a sample of a banded iron formation from approximately 25 billion years ago Around this time the first organisms started pumping oxygen into the atmosphere as a result of photosynthesis The rusted iron color in these rocks is evidence of the oxygen as a ....

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Lake Superior and Keweenawan Rift

Erratics are large boulders that are carried far form their source by glacial movement These typical features of the Lake Superior region are a legacy of its glacial past Back To Top Climate The average temperature for Lake Superior is 4 degrees Celsuis The lake moderates the temperature, making the winters warmer and the summers cooler...

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Labrador Iron Mines Holdings Limited Deposit Types

The Labrador iron deposits are composed of iron formations of the Lake Superior-type The 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 lithofaci...

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A compare geochemistry study for Algoma

Request PDF on ResearchGate A compare geochemistry study for Algoma- and Superior-type banded iron formations The Precambrian banded iron formations BIFs are the most important type for iron ....

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SPECTRAL AND GEOCHEMICAL CHARACTERISTICS OF ,

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...

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The Penokean orogeny in the Lake Superior region

Synchronous extension and subsidence of the Superior craton resulted in a broad shallow sea characterized by volcanic grabens Menominee Group in northern Michigan The classic Lake Superior banded iron-formations, including those in the Marquette, Gogebic, Mesabi and Gunflint Iron Ranges, formed in that sea...

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Crocidolite and magnesite associated with Lake Superior ,

Request PDF on ResearchGate Crocidolite and magnesite associated with Lake Superior-type banded iron formation in Chapare Group of eastern Andes, Bolivia ,...

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SUPERIOR FE DEPOSITS MODEL 34a Cannon, 1986

No wall rock alteration is associated with Superior iron deposits Formation of Superior-type iron-formation results from processes involving chemical sedimentation Nature of ore Most ore is banded rock in which iron-rich bands are interlayered with chert ,...

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CHEMOSTRATIGRAPHY OF NEOPROTEROZOIC BANDED IRON FORMATION ,

BSR bacterial sulfate reduction B Depositional model for Algoma type BIF of the Jucurutu Formation NE Brazil according to Sial et al submitted C Depositional environment of Lake Superior type BIF of the Yerbal Formation, Arroyo del Soldado Group From Frei et al 2013 , and references therein...

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Historical Geology HW 6 Flashcards Quizlet

a Banded Iron Formation in the Lake Superior Region of Canada and the US b Metals such as nickel from the Sudbury Complex in Ontario that is probably the result of a meteorite impact c Platinum and other metals from Bushveld complex, a layered mafic intrusion in South Africa d...

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Minerals of the Lake Superior Region

What it is The banded gems called Lake Superior agates are composed of a microcrystalline variety of the mineral quartz or silica and are present throughout the lake basinAgate is the official state gemstone of Minnesota How it got there Agates formed when silica-rich solutions filled cavities produced by gas bubbles in basaltic lava flows more than 1 billion years ago...

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Geology of the Biwabik Iron Formation and Duluth Complex ,

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 ....

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Iron Quadrangle

These are overlain by the Cauê Formation, Lake Superior-type banded iron formations which are in turn overlain by carbonates of the Gandarela Formation and shallow water to deltaic sediments of the Piracicaba Group Lastly, the whole sequence is unconformably overlain by the Sabará Group, ....

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Banded Iron Formation

Banded Iron Formation Banded iron formation or BIF is a chemical sediment, typically thin-bedded or laminated with gt 15 iron of sedimentary origin BIF has a very distinct distribution with time see Figure 932 in Chapter 9 It is found in minor amounts in the early Archean and in large amounts in the late Archean, appears again around 19 ....

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Lake Superior Type Banded Iron Formations as an Analog to Mars

A field trip to the Lake Superior type deposits in the Marquette and Gogebic iron districts of Michigan has provided a thorough rock sampling of the different facies, including several types of crystalline, gray hematite Micaceous, specular hematite with a schistose texture is highly metamorphosed and is probably not seen on the surface of Mars...

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