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No, chalk is not an extrusive rock; it is a type of sedimentary rock. Chalk is primarily composed of calcite, derived from the accumulated remains of microscopic marine organisms. Unlike extrusive rocks, which form from lava that cools quickly at the Earth's surface, chalk forms through the accumulation and compaction of sediments over time.
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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 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.
What is the most extrusive igneous rock?
Basalt is the most common extrusive igneous rock.
Which is not a common extrusive igneous rock?
There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.
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 Obsidian an extrusive rock or intrusive rock?
Yes it is extrusive love yall
Is pumice an extrusive rock?
Extrusive
Are basalt extrusive or intrusive?
Basaltic rock are true to be extrusive rock
What material does extrusive rock form?
Extrusive rock forms from cooling lava.
What is the most extrusive igneous rock?
Basalt is the most common extrusive igneous rock.
Which is not a common extrusive igneous rock?
There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.
Is schist an intrusive or extrusive rock?
Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.
Is basalt an intrusive rock or extrusive rock?
Extrusive. Solidifies above ground level.
Chalk is an example of what kind of rock?
Chalk is a form of limestone, a sedimentary rock.
Is a metamorphic rock intrusive or extrusive?
It is neither. Intrusive and extrusive are terms used to describe igneous rock.
Is extrusive a rock?
Igneous rocks can be categorized as either extrusive or intrusive.
