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Obsidian and Basalt are both Igneous rocks. They are made from hardened lava from volcanoes.
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∙ 14y ago
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A black rock formed from cooled lava?
Obsidian
Which igneous rock is an extrusive rock?
Basalt, Rhyolite, Obsidian and Andesite. There's many more but these are the main ones.
What is an example of an extrusive igneous rock?
Basalt and rhyolite are examples of extrusive igneous rocks. Also, pumice, scoria, obsidian, tuff, ignimbrite,....
Is basalt cooled slowly?
In reference to the cooling of magma into rock, basalt is formed from rapid cooling.
What is example of igneous rock?
Basalt and pumice.
What is the relationship between basalt gabbro and obsidian?
Basalt and obsidian are extrusive igneous rocks. Gabbro is an intrusive igneous rock.
Name a volcanic rock?
Obsidian, basalt, andesite, pumice.
A black rock formed from cooled lava?
Obsidian
What is the difference between basalt and obsidian?
obsidian is smooth but not basalt
What type of rock has obsidian and basalt?
They are both Igneous. I hope this answered your question.!
What is black volcanic rock?
A few varieties including basalt, obsidian, and scoria.
Which rock has large mineral grains granite obsidian basalt or pumice?
Granite
What is an igneous rock that forms at the surface?
Igneous rock formed at or near the surface is referred to as extrusive igneous rock, such as basalt and obsidian.
What are examples of extrusive rock?
Basalt, Andesite, Rhyolite, Obsidian, Pumice, Tuff, Ash (Lava).
Which rock am igneous extrusive black?
Basalt, pumice, and obsidian are all extrusive igneous rocks which can appear as black rock.
What type of rock can be changed into igneous rock?
obsidian,basalt,granite,pumice,tuff,diorite,gabbro,andesite,ect
Which igneous rock is an extrusive rock?
Basalt, Rhyolite, Obsidian and Andesite. There's many more but these are the main ones.
