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Which 2 groups is broken down into smaller groups by grain size?
Sedimentary rocks and igneous rocks can be broken down into smaller groups based on grain size. In sedimentary rocks, grain size categories include clay, silt, sand, and gravel. In igneous rocks, grain size categories include fine-grained, medium-grained, and coarse-grained.
Does extrusive have fine grain or coarse grain?
Extrusive igneous rocks generally have a fine grain texture. This is because they cool quickly on the Earth's surface, causing the minerals to form small crystals.
Do large grain rocks form from lava or magma?
Large grain rocks, such as granite, form from magma as it cools slowly beneath the Earth's surface. This slow cooling allows for the growth of large mineral grains within the rock. Rocks formed from lava, such as basalt, typically have much smaller grain sizes due to the rapid cooling at the Earth's surface.
Igneous and sedimentary rocks are exposed to extreme pressure and heat They will most likely form?
If igneous rocks are exposed to extreme pressure and heat, they are likely to recrystallize into new igneous rocks. On the other hand, if sedimentary rocks are exposed to extreme pressure and heat, they are likely to metamorphose into metamorphic rocks.
What are the types of clastic rocks?
Clastic Sedimentary rocks can be classified on the basis of grain size as: 1. Rudaceous 2. Arenaceous 3. Argillaceous
Which of these is likely to have a mass of about one milligram a grain of sugar a pile of rocks a stack of lumber?
A Grain of sugar
What are rough textured rocks?
Rocks with a large grain size perhaps with angular grain shapes.
What are fine textured rocks?
They are rocks with a small grain size.
Is it true that coarse grain is a term that describes a rocks grain pattern?
yes
Which 2 groups is broken down into smaller groups by grain size?
Sedimentary rocks and igneous rocks can be broken down into smaller groups based on grain size. In sedimentary rocks, grain size categories include clay, silt, sand, and gravel. In igneous rocks, grain size categories include fine-grained, medium-grained, and coarse-grained.
How are rocks with grains classified?
They are eather fine grain or course grain. Granite are course Grain, Basalts are fine grains.
What properties do all rocks have?
Rocks have color, grain, specific density, and relative hardness.
Are all rocks have the same texture and grain size?
no
What is coarse grain?
rocks with grains that can be identified with naked eye
What grain type is found in extrusive igneous rocks?
Extrusive igneous rocks are usually fine grained.
Does grain size mean anything when identifying igneous rocks?
yes, it does. when a grain size in an igneous rock is small, it means that it was probably an extrusive rock, meaning it formed on land. but if the grain size is big, it means that the rock most likely formed underground, or it was intrusive. try remembering it like this- the larger the crystals, the more time the rock had to form, and magma cools faster on land, not giving the rocks much time to form.
What are a couple of examples of sedimentary rocks?
Rocks that are categorized as sedimentary rocks include sandstone, breccia shale, limestone and selenite. Sedimentary rocks are classified by their grain size.
