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A dike is an intrusive igneous rock. It is a vertical intrusion that is usually associated with a central magma chamber. It is intrusive because it usually does not reach the surface. When a dike does reach the surface, the magma it countains erupts and forms an extrusive lava flow.
What else can I help you with?
Is Obsidian an extrusive rock or intrusive rock?
Yes it is extrusive love yall
Is dacite intrusive or extrusive?
Dacite can be both intrusive and extrusive. Intrusive dacite forms when magma solidifies beneath the Earth's surface, while extrusive dacite forms when lava erupts on the Earth's surface and cools quickly.
What are the two category's of igneous rock?
Intrusive and Extrusive
Is marble an extrusive or an intrusive rock?
Neither. The terms intrusive and extrusive apply to igneous rocks; marble is metamorphic.
Is gypsum intrusive or extrusive?
Gypsum is an extrusive sedimentary rock formed from the evaporation of seawater.
Is basalt an intrusive rock or extrusive rock?
Extrusive. Solidifies above ground level.
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 a metamorphic rock intrusive or extrusive?
It is neither. Intrusive and extrusive are terms used to describe igneous rock.
Is Obsidian an extrusive rock or intrusive rock?
Yes it is extrusive love yall
Are basalt extrusive or intrusive?
Basaltic rock are true to be extrusive rock
What is a Dike formed of?
Intrusive igneous rock.
Is extrusive a rock?
Igneous rocks can be categorized as either extrusive or intrusive.
What are the types of Igneous rock?
extrusive and intrusive
What are the type of igneous rock?
extrusive and intrusive
Is dacite intrusive or extrusive?
Dacite can be both intrusive and extrusive. Intrusive dacite forms when magma solidifies beneath the Earth's surface, while extrusive dacite forms when lava erupts on the Earth's surface and cools quickly.
How can you determine if an igneous rock has had an intrusive or extrusive organ?
by the size of the crystals, big crystals intrusive, small crystals extrusive
Is peridot an intrusive or extrusive igneous rock?
Peridot is olivine, which is a mineral, not a rock. It is found in both intrusive and extrusive rocks.
