Which Texture Best Describes an Igneous Rock

- April 22, 2022

There are nine main types of igneous rock textures. What is an extrusive rock.

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The texture of an igneous rock varies between the rock.

. Origin texture and mineral composition. Metamorphic Volcanic Extrusive Intrusive. Asked 11182020 43311 PM.

Ophitic texture - laths of plagioclase in a coarse grained matrix of pyroxene crystals wherein the plagioclase is totally. Other textures that may be evident on microscopic examination of igneous rocks are as follows. From slowly cooling magma.

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Obsidian has a glassy and smooth texture while pumice has a very rough and porous texture. Larger scale features such as fractures and layering are considered rock structures in comparison. Phaneritic vesicular aphanitic porphyritic poikilitic glassy pyroclastic.

A ne-grained igneous rock composed mostly of plagioclase feldspar and hornblende. This includes the size and quality and interrelations of its grains and the fabric they form. Which texture best describes an igneous rock that formed deep underground.

What igneous rock is mixed with soil and used for starting vegetable seeds. Which term best describes igneous rock. Which word best describes an igneous rock with large crystals and a coarse-grained texture.

Extrusive rocks have larger grains than intrusive ricks. Which terms best describe igneous rocks. A glassy B vesicular C fine grained D coarse grained.

Base your answers to the following questions on the Earth Science Reference Tables and on your knowledge of Earth science. The texture of an igneous rock varies between the rock. Intrusive best describes an igneous rock with large crystals and a coarse-grained texture.

ExplainIgneous rocks form from cooling magma or lava ect. Light and easily broken soft and smooth hard and dense soft and dence. The texture of a rock refers to the details of its visible character.

Obsidianhas a glassy and smooth texture while pumice has a very rough andporous texture. How do coarse-trained igneous rocks form. Which texture best describes an igneous rock that formed deep underground.

Intrusive best describes an igneous rock with large crystals and a coarse-grained texture. Log in for more information. D plagioclase feldspar potassium feldspar.

Myrmekitic texture - an intergrowth of quartz and plagioclase that shows small wormlike bodies of quartz enclosed in plagioclase. A fine-grained igneous rock composed mostly of plagioclase feldspar and hornblende and containing no quartz or pyroxene would be classified as answer choices granite. This texture is found in granites.

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