what kind of rock is basalt

What kind of rock is basalt Answers

25/06/2010· Basalt is an extrusive igneous rock, which means it has solidified from magma above ground. It is a mafic rock, meaning that it is relatively high in heavier element content, particularly

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Basalt and Granite

Basalt is commonly very fine grained, and it is nearly impossible to see individual minerals without magnification. Basalt is considered a mafic silicate rock. Among other characteristics, mafic minerals and rocks are generally dark in color and high in specific gravity. This is in large part due to the amount of iron, magnesium, and several

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What is a type of rock basalt Answers

Basalt is denser than granite because basalt is a an oceanic type of rock so it has had more pressure from the ocean making it denser than granite because granite is a continental type of rock.

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List of rock types Wikipedia

The following is a list of rock types recognized by geologists.There is no agreed number of specific types of rocks. Any unique combination of stone composition, mineralogy, stone size, texture, or other distinguishing characteristics can describe a rock type.

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What type of rock is Basalt Answers

What type of rock is Basalt? Unanswered Questions. Did you enjoy any of the books you had to read in school? What is the best time of the year to shop in USA? Where can I find a map of Paris in

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List of rock types Wikipedia

The following is a list of rock types recognized by geologists.There is no agreed number of specific types of rocks. Any unique combination of stone composition, mineralogy, stone size, texture, or other distinguishing characteristics can describe a rock type.

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Volcanic rock Wikipedia

Volcanic rocks are named according to both their stone composition and texture. Basalt is a very common volcanic rock with low silica content. Rhyolite is a volcanic rock with high silica content. Rhyolite has silica content similar to that of granite while basalt is compositionally equal to gabbro.Intermediate volcanic rocks include andesite, dacite, trachyte, and latite.

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What type of rock is basalt? Study

Question: What type of rock is basalt? Types of Rock: All the rocks on Earth can be classified into three types based on how they formed. First, we have igneous rock that forms from the cooling of

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Basalt Rock Properties and Uses ScienceStruck

Basalt is a finely granulated igneous rock, which is usually black or gray in color. Most basalt rocks are primarily composed of the minerals pyroxene and feldspar. These rocks are formed due to lava flow. It is a type of rock that is abundantly found in the crust of the Earth, and although now found very commonly on land, most ocean floor

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How Is Basalt Formed? Reference

Basalt is a type of igneous rock that is typically dark in coloration with a fine-grained texture. It is the most predominant rock type found in Earth's crust, and mainly consists of pyroxene and plagioclase minerals. Volcanoes that form basalt are commonly found near the ocean basins. Some areas where basalt is present in large quantities

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Igneous Rocks Pictures of Intrusive and Extrusive Rock

Igneous rocks are formed from the solidification of molten rock material. There are two basic types. Intrusive igneous rocks crystallize below Earth's surface, and the slow cooling that occurs there allows large crystals to form. Examples of intrusive igneous rocks are diorite, gabbro, granite, pegmatite, and peridotite. Extrusive igneous rocks

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Rock Types sandatlas.org

Rock type is usually defined as a particular kind of rock having a specific set of characteristics 1. Rock types are specific assemblages of minerals (most rocks are composed of minerals). Rocks are much more vaguely defined than minerals. Even rocks within one rock type

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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

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basalt Definition, Properties, & Facts Britannica

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 stone and petrographic basis into two main groups: the tholeiitic and the alkali basalts. Learn more about basalt in this article.

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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

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basalt Definition, Properties, & Facts Britannica

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 stone and petrographic basis into two main groups: the tholeiitic and the alkali basalts. Learn more about basalt in this article.

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Igneous Rocks Pictures of Intrusive and Extrusive Rock

Igneous rocks are formed from the solidification of molten rock material. There are two basic types. Intrusive igneous rocks crystallize below Earth's surface, and the slow cooling that occurs there allows large crystals to form. Examples of intrusive igneous rocks are diorite, gabbro, granite, pegmatite, and peridotite. Extrusive igneous rocks

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What is basalt? Igneous rock Quatr.us Study Guides

Like granite, basalt is a very hard rock.Because it is a common rock and so hard, people used basalt for early choppers and for grinding stones for grinding grains like millet and barley.Basalt makes a good stone for grinding wheat and barley and millet into flour. History of millet Where did barley come from?

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Quiz & Worksheet Basalt Study

About This Quiz & Worksheet. Basalt, like all rocks, has unique qualities. To pass this quiz you will need to recall information pertaining to the formation of basalt, as well as specific

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basalt Students Britannica Kids Homework Help

One of the most abundant types of rock on Earth is basalt. It is a kind of igneous rock formed by the cooling of a certain type of molten lava. The lava cools and then hardens into a fine-grained crystalline rock (see lava and magma). The word basalt is believed to have come from an ancient Ethiopian word, basal, meaning “a rock from which iron can be derived.”

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Geology rocks and minerals

Basalt Basalt is a mafic extrusive rock, is the most widespread of all igneous rocks, and comprises more than 90% of all volcanic rocks. Because of its relatively low silica content, basalt lava has a comparatively low viscosity, and forms thin flows that can travel long distances.

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Basalt Rocks Windows to the Universe

Basalt is an extrusive igneous rock that is very dark in color. It is the most common type of rock in the Earth's crust and it makes up most of the ocean floor.. It is made of many dark colored minerals such as pyroxene and olivine.Basalt also contains some light colored minerals such as feldspar and quartz, but the amounts are small.

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The UK's main rock types UK landscapes Edexcel GCSE

Rocks can be classified in to three main groups igneous, sedimentary and metamorphic. These three different rock types can be found in distinct areas of the UK. Igneous rocks these rocks are a

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The types of rock: igneous, metamorphic and sedimentary

12/01/2015· The three types of rocks. It’s the first thing you learn in a geology class — very briefly the three types of rocks are:. Igneous — they form from the cooling of magma deep inside the earth

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