A lab22aextrusivekmz investigate this area by flying

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a. Lab2_2a_EXTRUSIVE.kmz . Investigate this area by flying around. What type of igneous rock would you expect to see at this location (rock name)? _______________________ What kind of texture would you expect this rock to have (fine- or coarse-grained)?_______________________ What composition would you expect of this rock (ultramafic, mafic, intermediate, felsic)? ________________ b. Lab2_2b_INTRUSIVE.kmz . Investigate this area by flying around. This location is meant to be several kilometers underground. What type of igneous rock would you expect to see at this location (rock name)? _______________________ What kind of texture would you expect this rock to have (fine- or coarse-grained)?_______________________ What composition would you expect of this rock (ultramafic, mafic, intermediate, felsic)? ________________ c. Lab2_2c_INTRUSIVE.kmz . Investigate this area by flying around. Hints : Look at pictures of the area (you may need to turn on the Photos layer) Tilt the view angle (Shift + ↓) Name two igneous rocks that you would expect to see at this location, and indicate whether they are felsic, intermediate, mafic, or ultramafic. ___________________________(rock name) ________________________ (composition) ___________________________(rock name) ________________________ (composition) d. Investigate Lab2_2d_Hawaii.kmz by flying around as you have for the previous locations. Note the various colors along the ridge crest, particularly the dark material. This dark material is a lava flow, seen from an areial view. What is the tectonic setting?_______________________________________________________________ What do you think the texture of these rocks is likely to be (fine- or coarse-grained)? ____________________ What do you think the composition of these rocks might be (felsic, intermediate, mafic, or ultramafic)? ________________________________________________________________________________________ Now open Lab2_2d_MtShasta.kmz . Compare the Hawaiian lava flows you just looked at to those at Mt. Shasta (size, shape, length). _________________________________________________________________ ________________________________________________________________________________________ Refer to the pre-lab reading material and review lava behavior. What do you think causes the differences be- tween these flows?_________________________________________________________________________ ________________________________________________________________________________________ e. Lab2_2e_EXTRUSIVE.kmz . Investigate this area by flying around. Name two igneous rocks that you would expect to see at this location, and indicate whether they are felsic, intermediate, mafic, or ultramafic. ___________________________(rock name) ________________________ (composition) ___________________________(rock name) ________________________ (composition)
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Lab #2: Igneous Rocks 44 f. Open Lab2_2f_OmanOphiolite.kmz . This is the Oman ophiolite, one of the best ophiolite examples in the world. An ophiolite is a sliver of Earth’s mantle that has been pushed on top of the crust. This area is one of the very few places we can actually see Earth’s mantle. What igneous rock would you expect the Oman ophiolite to be made of? _______________________________ What kind of texture would you expect this rock to have (fine- or coarse-grained)? ______________________ What composition would you expect of this rock (ultramafic, mafic, intermediate, felsic)? _________________ Activity 3 : Putting It All Together One of the really cool things you should learn from this lab is that you can predict the rock types present at different tectonic settings (and vice versa). Label the plate tectonics diagram below with the igneous rock type that is most common in each location. To help you, refer to the prelab reading, as well as your answers to the previous activity. One of these has been done for you as an example.
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