Igneous Rocks: Basalt and Granite
Sedimentary rocks are formed in this substance
Sandstone, especially if it hasn't completely formed
Igneous: These rocks are volcanic in nature. They are split into two categories in where they cool/crystallize: intrusive (internal) and extrusive (external). Intrusive volcanic rocks cool slowly, so they contain (usually) large crystals, like granites. Extrusive rocks are quite the opposite, in which they cool very quickly. This is where you get your obsidian glass and basalts. Sedimentary: These rocks are depositional and categorized by the kind of sediment it is made up of. Metamorphic: This can be the offspring rock of either a morphosed igneous or sedimentary rock. This metamorphism is accomplished by heat and/or pressure, and during a great length of time.
Igneous: These rocks are volcanic in nature. They are split into two categories in where they cool/crystallize: intrusive (internal) and extrusive (external). Intrusive volcanic rocks cool slowly, so they contain (usually) large crystals, like granites. Extrusive rocks are quite the opposite, in which they cool very quickly. This is where you get your obsidian glass and basalts. Sedimentary: These rocks are depositional and categorized by the kind of sediment it is made up of. Metamorphic: This can be the offspring rock of either a morphosed igneous or sedimentary rock. This metamorphism is accomplished by heat and/or pressure, and during a great length of time.
Minerals are not made of rocks. Rocks are aggregates of minerals.
Volcanic activity produces extrusive igneous rock.
Volcanic Mountains Folded Mountains to be correct!
Depends on the rocks which formed sand: silicon dioxide, calcium carbonate, volcanic minerals.
Igneous Rocks are formed. Obsidian is a volcanic glass, go to wikepidiea and search "list of rocks" and it will come up with all the different igneous, metamorphic, and sedimentary rocks and what they are.
It was lava (volcanic magma) from undersea volcanic vents.
It was lava (volcanic magma) from undersea volcanic vents.
Metamorphic, along with volcanic and plutonic igneous rocks.
sedimentary rocks
Solid rocks
Mountains are made up of many different types of rocks. It also depends on the where the mountain is located and how it formed. For example, mountains formed by recent volcanic activity will be mostly composed of Igneous rock. Though most mountains and the like are made up of a combination of igneous, sedimentary and metamorphic rock.
A mixture of volcanic and sedimentary rocks -AlanKeo
lava