Examine the figure and consider a rock under the conditions shown ...

[bobypop]

Examine the figure and consider a rock under the conditions shown by the black dot labeled Start here. Explain the different processes that may happen to the rock to cause it to melt. Be sure to refer to the figure with your explanation.
 
  What will be an ideal response?

Question 2

What igneous feature is shown in this photograph?
 
  A) sill
  B) batholith
  C) columnar jointing
  D) dike

[ttt030911]

Answer to Question 1

Answer: First, you could increase the temperature past the partial melting zone to begin melting. Second, you could decrease the pressure until partial melting begins. Third, you could add water to the system, thus lowering the melting and pressure at which the rock would melt.

Answer to Question 2

Answer: C

[bobypop]

TYSM

[momolu]

Thanks for the timely response, appreciate it