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Extrusive igneous rock structures: Lava flow or plateau, Volcano (many types), Crater, Caldera, Fissure.

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Yazmin Sawayn

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2y ago

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Chirality centers are carbon atoms that are bonded to four different groups. In the given structure, you can identify chirality centers by looking for carbon atoms with four unique groups attached to them.


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keep structure doors closedkeep personnel away from the exterior structure wallsperform SABCmaintain accountability of structure occupants


What type of rock is an igneous rock?

Igneous rocks are usually classified first by their color index. The color index is separated into four categories. Felsic rocks are the lightest and are composed of mostly quartz and potassium feldspar. Intermediate rocks are the second lightest and are made up of mostly plagioclase feldspar, pyroxene, amphibole, and biotite. Mafic rocks are made up of plagioclase feldspar, pyroxene, and amphibole. Ultramafic is made up of mostly olivine, with pyroxene and amphibole.


What kind of rocks make up make up of the igneous rock Where can you find such rocks?

Igneous is derived from the Latin word for fire (ignis), which is very appropriate since igneous rock can be created by volcanic action. It is the oldest form of rock and can be found where ever the earth's crust has been opened by volcanoes or earthquakes, allowing molten rock to seep to the surface. (Think: Islands!) Four types of igneous rock exist: 1. Obsidian: extrusive (forced to the surface) igneous rock that is actually glass and not minerals. Sharp edges, smooth surface. 2. Pumice: another extrusive igneous rock but, unlike obsidian, this volcanic rock was pitted by millions of tiny air bubbles. It, too, is glass and not minerals... and it can float! 3. Granite: very hard igneous rock formed deep within the earth and composed of feldspar and quartz. This is intrusive igneous rock because it is formed below the surface of the earth. 4. Scoria: extrusive, glass, with a pitted surface much like pumice. Scoria is more dense and has a darker color with much larger pits.


What are four igneous rocks?

The four I know of are: gabbro, basalt, peridotite, and dolerite.


State four changes which extrusive volcanic feature may undergo overtime.?

Erosion: Extrusive volcanic features may undergo erosion from wind, water, and ice over time, causing their shape to change. Weathering: The outer layer of extrusive volcanic features can be broken down by chemical reactions or biological processes, leading to changes in their composition and appearance. Subsidence: As extrusive volcanic features cool and solidify, they may experience subsidence or sinking due to shifting ground below, resulting in changes in their height and profile. Crumbling: Over time, the materials that make up extrusive volcanic features can weaken and crumble, altering their structure and potentially leading to collapse.


What are four Mafic Igneous rocks?

The four I know of are: gabbro, basalt, peridotite, and dolerite.


How do you identify a triouse tetrose pentose and hexose?

Tetroses have four carbon atoms, pentoses have five carbon atoms, and hexoses have six carbon atoms. You can identify them based on the number of carbon atoms in their molecular structure.


What are four of intrusive rock bodies?

Igneous,sedimentry and metamorphic


Sentence for igneous rock?

Even hard igneous rocks get weathered away eventually over millions of years to form sand grains.To the west of the twin towers, 14 rock groins were built using large blocks of hard, mainly igneous, rock.Igneous rock formed deep within the earth.Igneous complex had four phases, acid, basic, acid, basic.


How many syllables are in Identify?

The word identify has four syllables.


How many syllables are in the word identify?

Identify has four syllables. I-den-ti-fy