Basalt: Igneous Rock - Pictures, Definition, Uses & More

Basalt underlies more of Earth's surface than any other rock type. Most areas within Earth's ocean basins are underlain by basalt. Although basalt is much less common on continents, lava flows and flood basalts underlie several percent of Earth's land surface. Basalt is a very important rock. Basalt …

Basalt dictionary definition | basalt defined

basalt definition: 1. a dark, fine-grained, usually extrusive igneous rock that is more basic than andesite, consisting chiefly of plagioclase feldspars and pyroxene: often found in vast sheets, it is the most common extrusive igneous rock 2. a kind ...

Basalt - definition of basalt by The Free Dictionary

Define basalt. basalt synonyms, basalt pronunciation, basalt translation, English dictionary definition of basalt. n. 1. A hard, dense, dark igneous rock composed chiefly of plagioclase feldspar, pyroxene, and olivine, and often having a glassy appearance. 2.

Basalt definition and meaning | Collins English Dictionary

Basalt definition: Basalt is a type of black rock that is produced by volcanoes . | Meaning, pronunciation, translations and examples

What is the hardness of basalt - answers.com

Basalt is the most common volcanic rock. It contains the minerals plagioclase and augite. It can come in black or dark gray and has a hardness of 6-7 on the MOHS scale.

Basalt Definition | History

Define Basalt. Basalt is one of the important type of rocks. If we have to define Basalt in general, Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth.

What does basalt mean? - Definitions.net

Definition of basalt in the Definitions.net dictionary. Meaning of basalt. What does basalt mean? ... By definition, basalt is an aphanitic igneous rock with less than 20% quartz and less than 10% feldspathoid by volume, and where at least 65% of the feldspar is in the form of plagioclase. Basalt is usually grey to black in colour, but rapidly ...

basalt - Wiktionary

Jun 16, 2019· basalt (countable and uncountable, plural basalts) ( mineralogy ) A hard mafic igneous rock of varied mineral content; volcanic in origin, which makes up much of the Earth's oceanic crust. A type of unglazed pottery .

What does basalt mean? - encyclo.co.uk

Basalt (t, t, t, or t) is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon. Flood basalt describes the formation in a series of lava basalt flows. == Definition == By definition, basalt is an aphanitic igneous rock with less than 20% quartz and less ...

Basalt - What does basalt stand for? The Free Dictionary

Looking for online definition of basalt or what basalt stands for? basalt is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms. ... Volcanic rock can quickly store C[O.sub.2]: basalt injections offer benefits over other disposal schemes.

Basalt ~ Learning Geology

By definition, basalt is an aphanitic (fine-grained) igneous rock with generally 45-55% silica (SiO2) and less than 10% feldspathoid by volume, and where at least 65% of the rock is feldspar in the form of plagioclase. It is the most common volcanic rock type on Earth, being a key component of oceanic crust as well as the principal volcanic rock in many mid-oceanic islands, including Iceland ...

Basalt | Definition of Basalt at Dictionary.com

Feb 18, 2014· Basalt definition, the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure. See more.

Basalt Facts - Softschools.com

The word basalt comes from a Latin word meaning very hard stone. Though basalt is typically a dark, black rock, weathering can lead to a yellow-brown color. Basalt may also be found in various shades because of geochemical processes. A light-color basalt is rare, but can be found due to a high concentration of plagioclase and weathering.

Basalt - Wikipedia

Basalt is the rock most typical of large igneous provinces. The largest occurrences of basalt are in the ocean floor that is almost completely made up by basalt. Above sea level basalt is common in hotspot islands and around volcanic arcs, specially those on thin crust.

Basalt: Definition with Basalt Pictures and Photos - lexic.us

Definition of Basalt. 1. n. A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green particles of olivine frequently disseminated.

What does basalt mean? definition, meaning and audio ...

Dictionary entry overview: What does basalt mean? • BASALT (noun) The noun BASALT has 1 sense:. 1. the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene Familiarity information: BASALT used as a noun is very rare.

Basalt | Article about basalt by The Free Dictionary

Where molten basalt cools rapidly, as at the earth's surface, fine-grained rocks are formed. Basalt may be compact or vesicular, i.e., porous because of gas bubbles contained in the lava while it is solidifying. If the vesicles become subsequently filled with secondary minerals, e.g., quartz or calcite, the rock is called amygdaloidal basalt.

What is the origin of Basalt - answers.com

Basalt is igneous. Basalt and Granite are the two most commonly known igneous rocks. It is formed from magma (a melt) and hardens to become basalt.

Gabbro: Igneous Rock - Pictures, Definition & More

Gabbro and Basalt are Related. Gabbros are equivalent in composition to basalts. The difference between the two rock types is their grain size. Basalts are extrusive igneous rocks that cool quickly and have fine-grained crystals. Gabbros are intrusive igneous rocks that …

What is the difference between basalt and andesite ...

On planet Earth, there are many different variations of rocks because of their composition and how they were made. Some rocks are made through the cooling process of lava, such as basalt and andesite.

What Does The Name Basalt Mean? - The Meaning of Names

Senses [Geol] A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green particles of olivine frequently disseminated.An imitation, in pottery, of natural basalt; a kind of black porcelain.

BASALT | definition in the Cambridge English Dictionary

basalt meaning: 1. a type of black rock that comes from a volcano 2. a type of black rock that comes from a volcano (= mountain that explodes and throws out hot rocks). Learn more.

basalt | Definition, Properties, & Facts | Britannica.com

Basalt: Basalt, extrusive igneous (volcanic) rock that is low in silica content, dark in color, and comparatively rich in iron and magnesium. Basalts may be broadly classified on a chemical and petrographic basis into two main groups: the tholeiitic and the alkali basalts. Learn more about basalt …

Metaphysical Properties of Basalt – Lava Rock by ...

Metaphysical Properties of Basalt – Lava Rock by ~ Starlene Breiter. The below pictures are examples of what we offer and sell. You can go to the Basalt section of our shop by clicking here.. Or you can click this link to see the Basalt items we offer in our Etsy shop (a …

Columnar basalt - definition of Columnar basalt by The ...

Columnar basalt synonyms, Columnar basalt pronunciation, Columnar basalt translation, English dictionary definition of Columnar basalt. n. 1. A hard, dense, dark igneous rock composed chiefly of plagioclase feldspar, pyroxene, and olivine, and often having a glassy appearance. 2.

Basalt | Definition of Basalt by Merriam-Webster

Basalt definition is - a dark gray to black dense to fine-grained igneous rock that consists of basic plagioclase, augite, and usually magnetite.

Basalt Stone Meaning & Healing Properties || Energy Muse

Basalt Stone Meaning & Healing Properties The fiery spark of the Basalt Stone meaning comes from its origins, which started from molten lava that solidified quickly under intense heat and pressure. Also known as lava rock, the Basalt Stone is found in a range of colors from gray to black. Containing the intense power of volcanoes, use Basalt as ...

Basalt - Igneous rocks

Basalt is a major rock type that occurs in virtually every tectonic setting. Basalt is clearly the most common volcanic rock on Earth and basaltic rocks (including gabbro, diabase and their metamorphosed equivalents) are the most common rocks in the crust 2.Basalt is also common on the Moon and other rocky planets of the Solar System.

Intrusive rock | geology | Britannica.com

Intrusive rock: Intrusive rock, igneous rock formed from magma forced into older rocks at depths within the Earth’s crust, which then slowly solidifies below the Earth’s surface, though it may later be exposed by erosion. Igneous intrusions form a variety of rock types. See also extrusive

What is Basalt? - Definition, Uses & Composition - Video ...

Definition of Basalt. With a name derived from the Latin for 'very hard stone', basalt is indeed a very hard, black igneous rock found all over Earth and our solar system. It can be found not only ...

Basalt and Granite Definition - rocks.comparenature.com

Definition of Basalt and Granite. The general Basalt and Granite definition can be stated as: Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. On the other hand, Granite is a very hard, granular, crystalline igneous rock which consists mainly of quartz, mica ...

Urban Dictionary: Basalt

1) A hard, black, often glassy, volcanic rock. It was produced by the partial melting of the Earth's mantle. 2) A stone-like, hard black unglazed pottery.

Basaltic | Definition of Basaltic at Dictionary.com

Basaltic definition, the dark, dense igneous rock of a lava flow or minor intrusion, composed essentially of labradorite and pyroxene and often displaying a columnar structure. See more.

Diabase - Wikipedia

Diabase (/ ˈ d aɪ. ə b eɪ s /) or dolerite or microgabbro is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine grained to aphanitic chilled …