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Download Intrusive Activity Earth Science Notes Chapter 18.3
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Transcript
Intrusive Activity Earth Science Notes Chapter 18.3 Vocabulary: ________________________ intrusive igneous rock bodies ________________________ irregularly shaped plutons that are similar to batholiths but smaller ________________________a pluton that forms when magma intrudes parallel to layers of rock ________________________ the larges plutons ________________________ a mushroom shaped pluton with a round top and flat bottom ________________________a pluton that cuts across existing rocks List three ways intruding magma can affect Earth’s crust 1. 2. 3. Record three characteristics that classify plutons 1. 2. 3. Draw an illustration that includes the following features: Batholiths Dike Laccolith Sill Stock Compare and contrast a sill and a dike. Place each characteristic below in the Venn diagram to show whether it is a characteristic of a sill, a dike or both Cuts across preexisting rocks Is parallel to the rocks it intrudes Are a few centimeters to hundreds of meters thick Many are coarse grained Are a few centimeters to several meters wide Is a pluton Sequence the four steps involved in forming batholiths from mountain-building processes (p. 517) Two continental plates converge, forcing continental crust into mantle. OR Two oceanic plates converge and one plate is subducted into mantle.
