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Is chalk a type of igneous rock?
limestone or could be gypsum Could be chalk. Dip it in vinegar. If it fizzes, it might be a sedimentary carbonate rock like limestone or chalk. There is always a possibility it is another kind of sedimentary rock or possibly an extrusive igneous one. Testing is needed to be sure.
Is Rhyolite Porphyry an intrusive or extrusive rock?
Rhyolite is a felsic volcanic rock.
Is Obsidian an extrusive rock or intrusive rock?
Yes it is extrusive love yall
What material does extrusive rock form?
Extrusive rock forms from cooling lava.
Are basaltic rocks extrusive or intrusive?
Basaltic rock are true to be extrusive rock
Is chalk a type of igneous rock?
limestone or could be gypsum Could be chalk. Dip it in vinegar. If it fizzes, it might be a sedimentary carbonate rock like limestone or chalk. There is always a possibility it is another kind of sedimentary rock or possibly an extrusive igneous one. Testing is needed to be sure.
Is Rhyolite Porphyry an intrusive or extrusive rock?
Rhyolite is a felsic volcanic rock.
Is Obsidian an extrusive rock or intrusive rock?
Yes it is extrusive love yall
Is pumice an extrusive rock?
Extrusive
A lava flow is an example of an igneous rock one of the two main igneous rock groups?
It is an example of extrusive igneous rock.
Are basalt extrusive or intrusive?
Basaltic rock are true to be extrusive rock
From what material does an extrusive rock form?
Extrusive rock forms from cooling lava.
What material does extrusive rock form?
Extrusive rock forms from cooling lava.
Are basaltic rocks extrusive or intrusive?
Basaltic rock are true to be extrusive rock
Is obsidian a intrusive or extrusive igneous rock?
Andesite is considered an extrusive igneous rock.
What is the most extrusive igneous rock?
Basalt is the most common extrusive igneous rock.
Is scoria metamorphic?
no, extrusive because it is made by lava not magma.
