Igneous Rock Intrusion Name: ___________________________________________________ Period: _____ Date: __________ Essential Question: How do I identify the different types of igneous rock intrusions? Instructions: Watch the video or study the diagram and answer the following questions. 1. What kind of rock is country rock usually made of? (choices: igneous, sedimentary, metamorphic) _____________________________________________________________________________________ 2. What do you call a rising magma that turns into an igneous rock? ( choices: pluton, magma diapir) _____________________________________________________________________________________ 3. Why does magma rise? _____________________________________________________________________________________ _____________________________________________________________________________________ 4. What do you call rising magma? ( choices: pluton, magma diapir) _____________________________________________________________________________________ 5. What happens inside the magma as the diapir cools? _____________________________________________________________________________________ _____________________________________________________________________________________ 6. In chart A, what are the two types of intrusions? _____________________________________________________________________________________ _____________________________________________________________________________________ 7. In chart B, what is an anticline? _____________________________________________________________________________________ _____________________________________________________________________________________ 8. in chart C, what are xenoliths? _____________________________________________________________________________________ _____________________________________________________________________________________ 9. What do you call magma that intrudes between layers of sedimentary rocks? (choices: dike, sill) _____________________________________________________________________________________ 10. What is a batholith? _____________________________________________________________________________________ _____________________________________________________________________________________ 11. What forms when magma comes to the surface? ( choices: batholiths, volcano) _____________________________________________________________________________________ 12. What is a laccolith? _____________________________________________________________________________________ _____________________________________________________________________________________ Multiple Choice: Choose from the 6 types of igneous intrusions to complete the following sentences. CHOICES: Batholiths, Laccolith, Stock, Volcanic neck, Sill, dike 13. ______________________is an igneous intrusion that moves upward through rock layers 14. _____________________ is an igneous intrusion that cuts across rock layers. 15. _____________________ is a mushroom-shaped igneous intrusion. 16.______________________ is an igneous intrusion of large size. 17. _____________________is a small batholith less than 100 square kilometers. 18. _____________________is the remnants of the hardened lava in the throat of a volcano. Igneous Intrusions (items number 19-25) Instructions: Study the picture below and choose the correct word to complete the definitions of the following igneous rock intrusions. http://volcanismandplatetectonics.wikispaces.com/Igneous+Intrusions CHOICES: horizontally, underground, mushroom, Large body, throat of a volcano, vertically, small 19. Pluton - any igneous rock which hardens ______________________. 20. Sill - an igneous intrusion that cuts _________________ rock layers. 21. Dike - an igneous intrusion that cuts _________________ rock layers. 22. Laccolith - a ___________________shaped igneous intrusion. 23. Batholith - _________________ of igneous rock formed beneath the Earth's surface by the intrusion and solidification of magma. 24. Stock - a __________ batholith less than 100 square kilometers. 25. Volcanic Neck - The remnants of the hardened lava in the ______________________after an eruption. Put in order from oldest to youngest. (20 pts.) _________________________________ _________________________________ _________________________________ _________________________________ _________________________________ _________________________________ _________________________________ _________________________________ http://www.youtube.com/watch?v=A5LdZJiKsVk http://volcanoeruptions.wikispaces.com/Igneous+Intrusions .