Mafic magma at a temperature of 1200°C intrudes into felsic continental-crust rocks 15 km below the surface. Will the granite melt? If so, what will happen to the resulting magma? Use information presented in the chapter to support your answer
What will be an ideal response?
Figure 4.18 is useful for answering these questions. At 15 km below the surface, granite completely melts into granitic magma at about 705oC, which is much less than the temperature of the intruding mafic magma. However, this rising magma may not make it to the surface because water will escape as gas as the pressure decreases and this causes an increase in the melting temperature.
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a. carrying capacity b. Death c. Emigration d. environmental resistance e. environmental capacity
What is an elastic material?
What will be an ideal response?
A mineral that is not a silicate is
A) feldspar. B) mica. C) calcite. D) quartz.
Water rushing into an enclosed area because of the rise in sea level as a tide crest approaches is called ____
A) an ebb current B) a flood current C) slack water D) a neap tide