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geology labrador trough

Labrador Trough Géologie Québec

40 行· The Labrador Trough is also known as the “New Quebec Orogen” in many papers and

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GEOLOGY AND MINERAL RESOURCES OF THE LABRADOR

P. Kearey, A regional structural model of the Labrador Trough, northern Quebec, from gravity studies, and its relevance to continent collision in the Precambrian, Earth and Planetary Science Letters, 10.1016/0012-821X(76)90198-9, 28, 3, (371-378), (1976).

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METALLOGENY OF THE LABRADOR TROUGH

The geology of the eastern margin of the Labrador Trough is comprised of a series of 14DPaleoproterozoic (2.17 to 1.87 Ga) sedimentary and volcanic rocks, which have been subdivided into a series of distinct lithotectonic zones. Numerous mineral occurrences are known in this region, which include the following deposit types:

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Iron Deposits of the Labrador Trough Exploration and

The Labrador Trough contains world-class iron deposits which have been mined since 1954. The direct shipping of Knob Lake ores were mined at Schefferville from 1954 to 1982. Concentrate production began in 1961 in the southwest end of the Trough, with three mines currently producing concentrate and pellets at a rate of 35 Mt per year.

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Labrador Iron Mines Holdings Limited :: Geology

The western half of the Labrador Trough, consisting of a thick sedimentary sequence, can be divided into three sections based on changes in lithology and metamorphism (North, Central and South). The Trough is comprised of a sequence of Proterozoic sedimentary rocks including iron formation, volcanic rocks and mafic intrusions known as the

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Geology of Newfoundland and Labrador Wikipedia

Natural resource geology of Labrador Massive iron deposits are found in the Labrador Trough along with copper, uranium and molybdenum. Iron forms in chert from the Ungava Bay to the Grenville Front, over a span of 700 miles, while copper and nickel minerals such as pyrite,pyrrhotite,sphalerite and galena form dispersed deposits or massive

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NEW GEOLOGICAL MAPPING OF THE HOLLINGER LAKE AREA

Current Research (2018) Newfoundland and Labrador Department of Natural Resources Geological Survey, Report 18-1, pages 193-206 NEW GEOLOGICAL MAPPING OF THE HOLLINGER LAKE AREA (NTS 23J/16), CENTRAL LABRADOR TROUGH J.P. Butler Regional Geology Section ABSTRACT

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Major Mines & Projects Mont-Wright Mine

The Labrador Trough consists of Paleoproterozoic sedimentary and volcanic rocks that extends for more than 1100 km, from the northwest corner of Ungava Bay south to Lake Pletpi. It forms the western part of a larger orogenic belt called the New Québec Orogen¸ which records the oblique convergence and collision of the Archean Superior Craton

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GEOLOGY AND MINERAL RESOURCES OF THE LABRADOR TROUGH

P. Kearey, A regional structural model of the Labrador Trough, northern Quebec, from gravity studies, and its relevance to continent collision in the Precambrian, Earth and Planetary Science Letters, 10.1016/0012-821X(76)90198-9, 28, 3, (371-378), (1976).

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The geology, geochemistry, and petrogenesis of the

Dec 01, 2020· The Labrador Trough (or New Québec Orogen) is a NNW-SSE oriented fold-and-thrust belt, primarily composed of Archaean to Palaeoproterozoic volcanic and metasedimentary rocks (Hoffman, 1990, Henrique-Pinto et al., 2019). Pervasive westward imbricate thrusting occurred during oblique collision between the Superior and Southern Rae craton at 1.84

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METALLOGENY OF THE LABRADOR TROUGH

The geology of the eastern margin of the Labrador Trough is comprised of a series of 14DPaleoproterozoic (2.17 to 1.87 Ga) sedimentary and volcanic rocks, which have been subdivided into a series of distinct lithotectonic zones. Numerous mineral occurrences are known in this region, which include the following deposit types:

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Historical Geology: Proterozoic, Labrador Trough YouTube

Aug 12, 2014· Physical Geology, metamorphic rocks, compositional classes, metamorphic grades, metamorphic facies Duration: 7:06. FTCC Geology Online 1,050 views

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Iron Deposits of the Labrador Trough ResearchGate

The Labrador Trough contains world-class iron deposits which have been mined since 1954. The direct shipping of Knob Lake ores were mined at Schefferville from 1954 to 1982.

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An Outline of the Geology of Labrador CORE

Exploration in Labrador has been concentrated in two areas: the Labrador Trough, in the western part of Churchill Province, and the "Central Mineral Belt" of Labrador, which extends eastward across the southern parts of Churchill and Nain Provinces. Mining in the Labrador portion of the Trough accounts for about half of Canada's iron ore

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NEW GEOLOGICAL MAPPING OF THE HOLLINGER LAKE AREA

Current Research (2018) Newfoundland and Labrador Department of Natural Resources Geological Survey, Report 18-1, pages 193-206 NEW GEOLOGICAL MAPPING OF THE HOLLINGER LAKE AREA (NTS 23J/16), CENTRAL LABRADOR TROUGH J.P. Butler Regional Geology Section ABSTRACT

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GEOLOGY AND GEOCHEMISTRY OF HIGH-GRADE IRON- ORE

The occurrence of high-grade (> 55 wt. % Fe) iron-ore deposits in the Schefferville and Menihek regions of the Labrador Trough has been known since the 1920s, and these deposits have been mined

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Major Mines & Projects AMEM Mine

The Labrador Trough consists of Paleoproterozoic sedimentary and volcanic rocks that extends for more than 1100 km, from the northwest corner of Ungava Bay south to Lake Pletpi. It forms the western part of a larger orogenic belt called the New Québec Orogen¸ which records the oblique convergence and collision of the Archean Superior Craton

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Phosphorus burial in ferruginous SiO2-rich Mesoproterozoic

Our conclusions receive additional support from a number of examples where Fe(II)-silicate minerals have precipitated in close association with Ca-phosphate; for instance, the Paleoproterozoic Sokoman Iron Formation of the Labrador Trough, eastern Canada (Pufahl et al., 2014), and Ordovician oolitic ironstones of Bell Island, Newfoundland

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Regional metamorphism of Proterozoic iron-formation

Labrador Trough, Canada ConNnus KUIN Department of Geology, Indianq Uniuersity Bl oomingt on, Indiana 4 740 I Abstract The Proterozoic iron-formation in the south-central part of the Labrador Trough is the product of primary sedimentation and of diagenesis, but south of the Grenville Front this

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HUCKLEBERRY (Ni-Cu-PGE) Labrador Trough, Québec

Geology Geologically, the Huckleberry Property is found within the Labrador Trough, a Paleoproterozoic supracrustal sequence located at the eastern margin of the Superior Province. The sequence was folded and metamorphosed during the New Quebec Orogen, which represents the collision between the Superior Craton and the Core Zone of the

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Peir Pufahl Geological Science and Engineering

Paleoenvironmental and taphonomic controls on the occurrence of Paleoproterozoic microbial communities in the 1.88 Ga Ferriman Group, Labrador Trough,

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Genesis of iron ore in the Snelgrove Lake Area, Labrador

The Snelgrove Lake property, located in western Labrador, is underlain by the late Proterozoic Sokoman Formation, the same geological formation that hosts economically significant iron ore deposits elsewhere in Labrador and Quebec. This project aims to better understand the origin of the iron formation, the controls on grade of the iron ore including whether or not there is secondary iron

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