there are many types of rocks created by lava including:
basalt, andesite, rhyolite, obsidian, tuff, pumice, cinder, and scoria.
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.
some igneus rocks are Granite,Basalt,Pumice,Obidan,and Rhyolit.
Some questions about metamorphic rocks that could be explored include: How do different types of pressure and temperature affect the formation of metamorphic rocks? What are the key minerals found in metamorphic rocks and how do they indicate the rock's history? How do metamorphic rocks differ from igneous and sedimentary rocks in terms of their formation processes and characteristics?
Erosion rates depend on the composition of the rocks and how they are attacked by the environment.Different kinds of rocks have different composition and will erode at different rates.Rocks in different places will be affected differently by wind, water, ice, rain, pollutants, etc. and so they will erode at different rates.
There are 3 main types of rocks:Igneous RocksForms when molten rock cools.2 types of molten rock: magma, and lava.Intrusion: Forms when magma cools. Intrusion rocks take longer to form because magma takes longer to cool. Magma is under the Earth's surface, and it is very hot there. Imagine how long it would take for magma to cool down somewhere a thousand degrees!Extrusion: Forms when lava cools. Extrusion don't take as long to form, because lava cools much faster than magma does. Lava is at the surface, and the surface is WAY cooler than underground.Sedimentary RockForms when rocks/minerals/remains of plants or animals settle and accumulate.Forms in layers.3 types of sedimentary rock:Clastic - forms from accumulation of rock fragments and minerals.Biologic - forms from plant or animal remains.Chemical - forms when minerals precipitate out of a solution.MetamorphicPreexisting rocks that have changed form by heat and pressure.If you are looking for specific types, here are some brief examples:Igneous RocksBasaltPegmatiteGraniteTuffSedimentary RocksLimestoneCoalShaleSiltstoneMetamorphic RocksSlateGneissSchistMarble
Most caves are in limestone or dolomite rocks. Some (e.g. Carlsbad Caverns) are in gypsum rocks. But caves can also exist in lava deposits (e.g. lava tube caves), marble rocks (i.e. metamorphosed limestone), and many other types of rocks at lower rates, depending on various variables.
sedimentary rocks
When lava reaches the surface of the Earth through volcanoes or through great fissures the rocks that are formed from the lava cooling and hardening are called extrusive igneous rocks. Some of the more common types of extrusive igneous rocks are lava rocks, cinders, pumice, obsidian , and volcanic ash and dust
Take some of the lava rocks off. Too many is just as bad as too few.
The earth is composed of various types of rocks, some formed as a result of pressure while others due to cooling. Igneous rocks form when molten lava cools and solidify to form crystals.
lava rocks and human eyes
Around a volcano that has erupted recently, you would find volcanic rocks such as basalt, andesite, and rhyolite. These rocks are formed from cooled lava and ash that are ejected during volcanic eruptions. In some cases, you may also find volcanic glass or obsidian near the eruption site.
The most common types of igneous rocks are andesite, basalt, diorite, gabbro, granite, pegmatite, peridotite, porphyry, pumice, rhyolite, syenite, and trap.Igenous rocks are rocks that melt and become molten lava, then harden.
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.
Lava is, by preferred definition, a viscous fluid comprised of molten rock that has reached the surface. In this case, lava is not an igneous rock. However, 'lava' can also refer to the cooled and solidified product of the molten rock. In this case, lava is an igneous rock, formed from the solidification of molten lava.
Extrusive Rocks - From: bellany412:)
It depends on what criteria you use. If you go with the kind of flow there are four.Pahoehoe (ropey lava flows)A'a (jagged, more viscous flows)Pillow lava (rounded lumps that form underwater)Block lava (very viscous, very slow moving)The first three are all associated with mafic lava, also called basaltic lava, which refers to a specific composition. Pillow lava is sometimes ignored as are black lava flows, which don't much resemble traditional images of lava.In terms of composition there are also 4 basic types on a spectrum of increasing silica content and viscosityMafic (basaltic)Intermediate (andesitic)Intermediate-felsic (dacitic)Felsic (rhyolitic)These can be further subdivided. Another, rare kind of lava exists called carbonatite. This strange lava is composed of carbobnates rather than silicates as the others are, and is only found in one volcano: Ol Doinyo Lengai in Tanzania.