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Nastapoka arc, the Glossary

The Nastapoka arc is a curved segment of the southeastern shore of Hudson Bay in Quebec, Canada, that extends from the most northerly of the Hopewell Islands to Long Island near the junction with James Bay.^[1]

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72 relations: Archean, Banded iron formation, Basalt, Bedrock, Belcher Islands, Breccia, Canada, Canoe, Clearwater Lakes, Coast, Conglomerate (geology), Dolomite (rock), Earth, Earth science, Fault (geology), Feldspar, First Nations in Canada, Fluvial sediment processes, Fold (geology), Fold and thrust belt, Foliation (geology), Geologist, Gneiss, Graben, Granite, Granitoid, Granodiorite, Greenschist, Greenstone belt, Homocline, Hudson Bay, Igneous intrusion, Impact crater, Impact structure, Intrusive rock, Inuit, James Bay, Landscape, Lava, List of possible impact structures on Earth, Lithospheric flexure, Long Island (Hudson Bay, Nunavut), Mare Crisium, Mars, Metamorphic rock, Migmatite, Moon, Mudstone, Mylonite, Ottawa Islands, ... Expand index (22 more) »
Geology of Quebec
Hudson Bay

Archean

The Archean Eon (also spelled Archaean or Archæan), in older sources sometimes called the Archaeozoic, is the second of the four geologic eons of Earth's history, preceded by the Hadean Eon and followed by the Proterozoic.

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Banded iron formation

Banded iron formations (BIFs; also called banded ironstone formations) are distinctive units of sedimentary rock consisting of alternating layers of iron oxides and iron-poor chert.

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Basalt

Basalt is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon.

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Bedrock

In geology, bedrock is solid rock that lies under loose material (regolith) within the crust of Earth or another terrestrial planet.

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Belcher Islands

The Belcher Islands (ᓴᓪᓚᔪᒐᐃᑦ, Sanikiluaq) are an archipelago in the southeast part of Hudson Bay near the centre of the Nastapoka arc.

See Nastapoka arc and Belcher Islands

Breccia

Breccia is a rock composed of large angular broken fragments of minerals or rocks cemented together by a fine-grained matrix.

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Canada

Canada is a country in North America.

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Canoe

A canoe is a lightweight narrow water vessel, typically pointed at both ends and open on top, propelled by one or more seated or kneeling paddlers facing the direction of travel and using paddles.

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Clearwater Lakes

The Lac Wiyâshâkimî (the official name, in French, formerly Lac à l'Eau Claire, a calque of the lake's name, Wiyâšâkamî, in Northern East Cree, changed form of wâšâkamî or wâšekamî in more southerly Cree dialects), also called the Clearwater Lakes in English and Allait Qasigialingat by the Inuit, are a pair of annular lakes and impact structures on the Canadian Shield in Quebec, Canada, near Hudson Bay.

See Nastapoka arc and Clearwater Lakes

Coast

A coastalso called the coastline, shoreline, or seashoreis the land next to the sea or the line that forms the boundary between the land and the ocean or a lake.

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Conglomerate (geology)

Conglomerate is a clastic sedimentary rock that is composed of a substantial fraction of rounded to subangular gravel-size clasts.

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Dolomite (rock)

Dolomite (also known as dolomite rock, dolostone or dolomitic rock) is a sedimentary carbonate rock that contains a high percentage of the mineral dolomite, CaMg(CO3)2.

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Earth

Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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Earth science

Earth science or geoscience includes all fields of natural science related to the planet Earth.

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Fault (geology)

In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements.

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Feldspar

Feldspar (sometimes spelled felspar) is a group of rock-forming aluminium tectosilicate minerals, also containing other cations such as sodium, calcium, potassium, or barium.

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First Nations in Canada

First Nations (Premières Nations) is a term used to identify Indigenous peoples in Canada who are neither Inuit nor Métis.

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Fluvial sediment processes

In geography and geology, fluvial sediment processes or fluvial sediment transport are associated with rivers and streams and the deposits and landforms created by sediments.

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Fold (geology)

In structural geology, a fold is a stack of originally planar surfaces, such as sedimentary strata, that are bent or curved ("folded") during permanent deformation.

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Fold and thrust belt

A fold and thrust belt (FTB) is a series of mountainous foothills adjacent to an orogenic belt, which forms due to contractional tectonics.

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Foliation (geology)

Foliation in geology refers to repetitive layering in metamorphic rocks.

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Geologist

A geologist is a scientist who studies the structure, composition, and history of Earth.

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Gneiss

Gneiss is a common and widely distributed type of metamorphic rock.

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Graben

In geology, a graben is a depressed block of the crust of a planet or moon, bordered by parallel normal faults.

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Granite

Granite is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase.

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Granitoid

A granitoid is a generic term for a diverse category of coarse-grained igneous rocks that consist predominantly of quartz, plagioclase, and alkali feldspar.

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Granodiorite

Granodiorite is a coarse-grained (phaneritic) intrusive igneous rock similar to granite, but containing more plagioclase feldspar than orthoclase feldspar.

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Greenschist

Greenschists are metamorphic rocks that formed under the lowest temperatures and pressures usually produced by regional metamorphism, typically and 2–10 kilobars.

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Greenstone belt

Greenstone belts are zones of variably metamorphosed mafic to ultramafic volcanic sequences with associated sedimentary rocks that occur within Archaean and Proterozoic cratons between granite and gneiss bodies.

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Homocline

In structural geology, a homocline or homoclinal structure (from old homo.

See Nastapoka arc and Homocline

Hudson Bay

Hudson Bay, sometimes called Hudson's Bay (usually historically), is a large body of saltwater in northeastern Canada with a surface area of.

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Igneous intrusion

In geology, an igneous intrusion (or intrusive body or simply intrusion) is a body of intrusive igneous rock that forms by crystallization of magma slowly cooling below the surface of the Earth.

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Impact crater

An impact crater is a depression in the surface of a solid astronomical body formed by the hypervelocity impact of a smaller object.

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Impact structure

An impact structure is a generally circular or craterlike geologic structure of deformed bedrock or sediment produced by impact on a planetary surface, whatever the stage of erosion of the structure.

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Intrusive rock

Intrusive rock is formed when magma penetrates existing rock, crystallizes, and solidifies underground to form intrusions, such as batholiths, dikes, sills, laccoliths, and volcanic necks.

See Nastapoka arc and Intrusive rock

Inuit

Inuit (ᐃᓄᐃᑦ 'the people', singular: Inuk, ᐃᓄᒃ, dual: Inuuk, ᐃᓅᒃ; Iñupiaq: Iñuit 'the people'; Greenlandic: Inuit) are a group of culturally and historically similar Indigenous peoples traditionally inhabiting the Arctic and subarctic regions of North America, including Greenland, Labrador, Quebec, Nunavut, the Northwest Territories, Yukon (traditionally), Alaska, and Chukotsky District of Chukotka Autonomous Okrug, Russia.

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James Bay

James Bay (Baie James; dirty water) is a large body of water located on the southern end of Hudson Bay in Canada.

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Landscape

A landscape is the visible features of an area of land, its landforms, and how they integrate with natural or human-made features, often considered in terms of their aesthetic appeal.

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Lava

Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface.

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List of possible impact structures on Earth

According to the Planetary and Space Science Centre (PASSC) at the University of New Brunswick in Canada, there are 190 confirmed impact structures on Earth.

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Lithospheric flexure

In geology, lithospheric flexure (also called regional isostasy) is the process by which the lithosphere (rigid, thin outer layer of the Earth) bends under the action of forces such as the weight of a growing orogeny or changes in ice thickness related to glaciation.

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Long Island (Hudson Bay, Nunavut)

Long Island is one of the many uninhabited Canadian arctic islands in Qikiqtaaluk Region, Nunavut.

See Nastapoka arc and Long Island (Hudson Bay, Nunavut)

Mare Crisium

Mare Crisium (Latin crisium, the "Sea of Crises") is a lunar mare located in the Moon's Crisium basin, just northeast of Mare Tranquillitatis.

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Mars

Mars is the fourth planet from the Sun.

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Metamorphic rocks arise from the transformation of existing rock to new types of rock in a process called metamorphism.

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Migmatite

Migmatite is a composite rock found in medium and high-grade metamorphic environments, commonly within Precambrian cratonic blocks.

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Moon

The Moon is Earth's only natural satellite.

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Mudstone

Mudstone, a type of mudrock, is a fine-grained sedimentary rock whose original constituents were clays or muds.

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Mylonite

Mylonite is a fine-grained, compact metamorphic rock produced by dynamic recrystallization of the constituent minerals resulting in a reduction of the grain size of the rock.

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Ottawa Islands

The Ottawa Islands (Inuit: Arviliit or Arqvilliit in Inuktitut meaning "place where you see bowhead whales") are a group of currently uninhabited islands situated in the eastern edge of Canada's Hudson Bay.

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Pillow lava

Pillow lavas are lavas that contain characteristic pillow-shaped structures that are attributed to the extrusion of the lava underwater, or subaqueous extrusion.

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Planetary geology

Planetary geology, alternatively known as astrogeology or exogeology, is a planetary science discipline concerned with the geology of celestial bodies such as planets and their moons, asteroids, comets, and meteorites.

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Proterozoic

The Proterozoic is the third of the four geologic eons of Earth's history, spanning the time interval from 2500 to 538.8Mya, the longest eon of the Earth's geologic time scale.

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Pseudotachylyte

Pseudotachylyte (sometimes written as pseudotachylite) is an extremely fine-grained to glassy, dark, cohesive rock occurring as veinsTrouw, R.A.J., C.W. Passchier, and D.J. Wiersma (2010) Atlas of Mylonites- and related microstructures. Springer-Verlag, Berlin, Germany.

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Quartz diorite

Quartz diorite is an igneous, plutonic (intrusive) rock, of felsic composition, with phaneritic texture.

See Nastapoka arc and Quartz diorite

Quartz monzonite

Quartz monzonite is an intrusive, felsic, igneous rock that has an approximately equal proportion of orthoclase and plagioclase feldspars.

See Nastapoka arc and Quartz monzonite

Quebec

QuebecAccording to the Canadian government, Québec (with the acute accent) is the official name in Canadian French and Quebec (without the accent) is the province's official name in Canadian English is one of the thirteen provinces and territories of Canada.

See Nastapoka arc and Quebec

References

[1] https://en.wikipedia.org/wiki/Nastapoka_arc

, Pillow lava, Planetary geology, Proterozoic, Pseudotachylyte, Quartz diorite, Quartz monzonite, Quebec, Robert S. Dietz, Sandstone, Sedimentary rock, Sedimentary structures, Shatter cone, Strike and dip, Stromatolite, Structural basin, Suevite, Superior Craton, Trans-Hudson orogeny, Turbidite, Types of volcanic eruptions, Unconformity, Volcanic rock.

Nastapoka arc, the Glossary

Table of Contents

See also

Geology of Quebec

Hudson Bay

References