Igneous Rock

Intrusive igneous rocks. These have large crystals because it is warmer underground, therefore it has more time to cool, therefore the crystals have more time to form and grow, thus large crystals.

Hard rock is rock that doesn't wear away easily (resistant rock), therefore, soft rock is rock that does wear away easily.

I.e. that is way the coast is so uneven, because it hasn't got resistant levels of rock being continuously hit by destructive waves.

You would examine a fracture surface of the rock. Intrusive igneous rocks that have cooled very slowly underground have visible crystals and are said to have a phaneritic texture. Granite is an example of this type of rock. Extrusive igneous rocks that have cooled quickly from lava above or on the surface generally will have crystals too small to be visible with the naked eye, in a texture that is referred to as aphanitic. Obsidian is an example of this type of rock.

As of my last update, Calumet City in Illinois did not have a city-wide curfew. It is recommended to check with local authorities or official sources for the most up-to-date information on any curfew restrictions.

Granite is defined as a course grained rock that must have plagioclase feldspar, potassium (aka alkali) feldspar, and quartz. Granite can also have a number of secondary minerals like micas or hornblende, but these secondary minerals do not have to be present.

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enlargened pupils
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Fossil fuels are formed from the remains of ancient plants and animals that have been buried and subjected to high pressure and temperature over millions of years. This process results in the transformation of organic matter into fossil fuels such as coal, oil, and natural gas, which are then trapped in rock formations underground.

Coal is a sedimentary rock. However, harder forms of coal, because of exposure to elevated temperature and pressure, are metamorphic rock.

Most igneous rocks are denser than water, so they do not float. However, some types of igneous rocks, such as pumice, can contain trapped air bubbles which make them less dense than water, causing them to float.

The sedimentary rock melts,which causes magma. When the magma cools it becomes an igneous rock.

1. Valuable or economically important mineral deposits may be associated with igneous rock bodies. Examples are disseminated magma tic deposits of diamonds of South Africa. Deposits of chromites in Montana.

answer in sedimentary rocks: 1. Coal is burnt to create energy.

Gypsum is used to make plaster of Paris.

Sandstone and limestone are used as building stone.

Limestone is also used for hard core in roads.

Slate is used for roofing tiles.

Clay is mixed with sand and used to make bricks.

Iron ores are mined and smelted to create iron metal.

Smectite clay is used as a digestive cure.

Salt is an essential food answer in metamorphic rocks: 1. Marble is a metamorphic rock that is used to make floor tiles, counter tops and it is carved into statues and was used extensively in the building of the Roman Coliseum among other great historic buildings. Slate is another metamorphic rock that is used in buildings for floor tiles and roofing tiles and it was once used for blackboards. answered by:

impyerno_hell@yahoo.com

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To fit a sink to granite, the sink must first be properly measured to ensure a precise fit. Then, a hole needs to be cut in the granite countertop to accommodate the sink. Finally, the sink can be secured to the underside of the granite using adhesive or clips for a secure installation.

Igneous rocks form when magma cools and solidifies either beneath the Earth's surface (intrusive igneous rocks) or on the surface after a volcanic eruption (extrusive igneous rocks). This cooling process can occur slowly, resulting in larger crystals (coarse-grained rocks), or quickly, which produces smaller crystals or glassy textures (fine-grained rocks).

This depends on what you mean by "shine granite". If your granite counter top looks dull and you're looking to bring it back to its original luster, you might want to look into some Dia-Glo diamond polishing compound, a felt wheel, a velcro backer pad, and a variable speed grinder. This is normally what professionals would use to "shine granite" back to its original luster after years of wear and tear. This can be done by someone that is not a professional if he or she is handy and has a good idea of what to do. I would not recommend this to someone who does not have proper instruction. There are DVDs for Fabricating Granite for the Do-It-Yourself out on the internet that will explain exactly how to do this, what you need, and what this type of job would require.

If you're looking to take raw granite that has never been polished at all and "shine granite" then you're looking at an entirely different process. This process is also well documented with DVDs on Fabricating Stone for the Do-It-Yourselfer. This process takes a variable speed grinder, a set of about 8 diamond polishing pads, and a lot of elbow grease. There are many types of polishing pads for granite and other natural stones, but the general use of these and process of polishing is the same. If you are doing this I would also suggest contacting a professional or getting How to Granite DVDs to instruct you on the basics of this.

The previous answer given about ager isn't necessarily to shine granite. Ager will restore the granite's luster to a point, but it's normally used for color variation matching. Imagine a sidewalk before it rains. Now imagine the sidewalk after it rains. The Ager will make your stone look like the sidewalk after it rains. It simply brings out the color. Honestly, without proper instruction I would not go about doing this myself. Either get an instructional DVD and learn about the process or hire a professional. On the other hand, working with stone isn't something that takes years to learn. It's just like working with any other product - a little practice and the right tools and you're all set!

Igneous rock is a type of rock that forms from the cooling and solidification of magma or lava. It is classified based on its texture (coarse or fine-grained) and composition (silica content and mineralogy). Examples include granite, basalt, and obsidian.

1. Basalt: a dark-colored, fine-grained rock that forms from rapidly cooled lava.
2. Granite: a light-colored, coarse-grained rock that forms from slowly cooled magma deep within the Earth's crust.
3. Obsidian: a shiny, black volcanic glass that forms from rapidly cooled lava without crystallization.

Granite comes from rock quarries. There are several in India, Africa and Brazil. From the quarry, the stones go to granite stockyards where they are processed into building materials or gravestones.

Marble will weather more quickly. The mineral calcite, of which marble is composed is softer and less resistant to abrasion than granite. It is also more susceptible to chemical weathering via natural and man-caused acidic rainfall due to its chemical composition. Granite--not so susceptible.

On average, a granite countertop can weigh around 18-24 pounds per square foot depending on its thickness and size. It's important to consider the weight-bearing capacity of your cabinetry and support structures when installing a heavy granite countertop.

The price of obsidian varies with type and rarity. Obsidian is sought out by mineral collectors who want to display and enjoy it. It is also bought up by those who want to fashion it into jewelry and other objects. Obsidian, or volcanic glass, has a range of values that depend on the piece being sold or the chunk or object assessed for value. The curious person might start by looking on eBay to see some examples of the specimens for sale, and also some of the many, many pieces of jewelry made from it. It can also be fashioned into book ends, chess pieces, and just about anything else that other minerals can be made into. And the prices or "value" of these things will vary as broadly as the item being looked at. Just as you would expect. An example: Rainbow Obsidian is one of the most beautiful varieties of obsidian, but it is still not expensive. Retail values of Rainbow Obsidian generally won't go over the $40-50 per pound range..... Unless... Obsidian is volcanic glass. Little white flecks of ash or streaks of impurities are fairly common. I once owned a 26 pound Rainbow Obsidian Sphere. It was rare because of its size and the absence of ash. The retail value of that piece could be two to three times the normal rate because of its rarity.

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Granite is mined out of the ground in large blocks, usually up to 3metres long by about 1.5 metres square. These individual blocks are cut into multiple'slabs' of the requisite thickness, usually 20mm or 30mm thick, using a huge reciprocating arm attached to a series of blades. It's a bit like a bread slicer, only it takes a bit longer to cut through, usually about a week

Fossils are rarely found inside individual rocks, but if they are, it will be inside boulders that were originally part of a layer of mudstone or sandstone (sedimentary rock). Scientists refer to this type of rock as "Fossil bearing" Joan Wiffen of New Zealand was a Paleontologist who discovered individual dinosaur bones inside massive mudstone boulders in a stream.

You use rocks and minerals every day!

Here are some things that are made with rocks and minerals:

Toothpaste

-Jewelery

-Drywall

-Microchips

Some houses are made out of stones (rocks).