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What are some examples of rocks that came from fire?
Granites and basalts.
What are some examples of basaltic rocks?
ahahahahhaha no. do your own hw
Why do some igneous rocks have larger crystals but other igneous rocks have crystals so small they have to be seen with a microscope?
Crystal size in igneous rock is dependent on the amount of time spent in cooling from magma or lava. More time means larger crystals. Rocks that have small crystals cooled quickly, so the minerals didn't have time to rearrange and form large crystals before the rock solidified. These small-crystalled rocks are described as aphanitic. Other rocks cooled slowly, so the minerals had time to rearrange and form large crystals before solidifying. These rocks are considered phaneritic. Some rocks cool slowly for a while, and then experience rapid cooling (such as magma that cools slowly inside a volcano, and then cools rapidly when the volcano erupts). Such rocks have large crystals surrounded by tiny crystals. Rocks that form this way are described as porphyritic.
Why is a igneous rock appear smooth and glassy?
Some igneous rocks are very smooth and glassy (obsidian) while others have a very rough texture, such as the rocks used on the bottom of a propane gas grill. They are all formed from lava, but the glassy rocks cooled so fast that crystals did not have a chance to form. The rougher rocks cooled more slowly, allowing larger crystals to form--Slower cooling = larger crystals = rougher texture.
What are some examples of parent rocks?
Parent Rock / Metamorphosed Parent Rock:Limestone / MarbleShale / SlateSandstone / Quartzite
What rock is made when molted rock cooled down?
All rocks that are made from cooled magma are called igneous rocks. Some common examples include Obsidian, Granite, and Basalt.
Why do some rocks have crystal?
Some rocks have crystals because the minerals within them cooled and solidified slowly, allowing enough time for the atoms to arrange themselves in an ordered, repeating pattern. This orderly arrangement forms crystals with distinct shapes and structures, giving the rock its crystalline appearance.
What rocks forms when magm cools within th earth?
If the magma cools on the surface of the crust, it is called extrusive igneous rock, such as pumice, basalt or rhyolite. If the magma cools inside the crust, it is called intrusive igneous rock, such as granite.
What are some examples of rocks?
GraniteLimestoneDioriteBasaltChalkLimestoneSandstoneBrecciaConglomerateGabbroRhyoliteObsidianPumiceMarbleSchistGneissMetaconglomerate
What are some examples of rocks that absorb odors?
Some examples of rocks that absorb odors include activated charcoal, zeolite, and lava rocks. These rocks have porous surfaces that can trap and neutralize odors in the air.
What are some examples of nonfoliated metamorphic rocks?
Examples of non-foliated metamorphic rocks are quartzite and marble.
What are some examples of fossil rocks?
Fossils rocks are sedimentary rocks such as coal, limestone, sandstone, and shale.
What are examples os sediment?
Some examples of sediment are dirt, sand, and rocks.
What are some examples of synthetic rocks?
Concrete, Terrazzo
What are some examples of the three rock types?
Igneous:GraniteBasaltDioriteObsidianRhyolitePumiceMetamorphic: SlateMica SchistQuartziteGabbroMarblePhylliteMetaconglomerateSkarnSedimentary:LimestoneChalkCoquinaShaleSandstoneMudstoneConglomerateBreccia
Is all igneous rock formed from lava that cooled on Earths surface?
No, not all igneous rock is formed from lava that cooled on Earth's surface. Some igneous rocks are formed from magma that cooled below the surface, and these are called intrusive igneous rocks. These rocks cool more slowly than lava, allowing for larger mineral crystals to form.
What are some examples of some irregular object?
irregular rocks,shells
