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Questions and Answers
What type of material is generated within or below the Earth's crust and flows out from volcanic orifices?
What term is used for similar material that may be injected into the rocks of the crust?
What do the solidified lavas and intrusions collectively constitute?
What is the molten material from which igneous rocks solidify called?
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Which element is a non-metal oxide and the basic component of silicate minerals?
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What do rocks with high silica content, such as granites, contain visibly?
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What is the main difference between basic magmas and acid magmas?
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What is the role of fluxes in magma?
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What is the source of the widespread lava flows from basalt flows?
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Which type of volcano is characterized by large flat cones called shield volcanoes?
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What geological feature is associated with central eruptions?
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