Why do "new" minerals that did not exist in the "parent rock" form during metamorphism of a rock?
What will be an ideal response?
Answer: "new" T and P conditions cause a change in the stability conditions in the rock, allowing new minerals to form.
You might also like to view...
In the figure, [INSERT FIGURE 4-8b. INCLUDE ALL TEXT. NO CAPTION]
A) there are more air molecules below an altitude of 5640 m in the warm column B) there are more air molecules below an altitude of 5640 m in the cool column C) the pressure at 5640 m is greater in the cool column than in the warm column D) the pressure at 5640 m is the same for both columns
A prairie grass may experience grazing herbivores, wildfires, droughts, deep snow, or blazing hot days in the summer. Yet, those prairie grasses alive today are descendants of those that have survived these challenges and more
From an evolutionary perspective, these sorts of environmental challenges are identified as A) herbivory. B) predation. C) selective pressures. D) reproductive isolation.
Describe why fluids are important in the formation of a metamorphic rock
What will be an ideal response?
Western intensification causes ________
A) a steeper slope of surface water in the western section of the gyre as compare to the eastern section of the gyre B) equatorial countercurrents C) the center of the gyre to be shift to the west D) very swift western boundary currents E) All of the choices are the result of westward intensification.