Author Question: Determine whether a rock formed at the following pressures and temperatures typically would be ... (Read 95 times)

mp14 · **on:** Jul 16, 2018

Determine whether a rock formed at the following pressures and temperatures typically would be sedimentary, metamorphic, or igneous. If metamorphic, determine whether the rock would be considered low-, medium-, or high-grade.

Pressure = 1 kb, Temperature = 700 C
Pressure = 2 kb, Temperature = 100 C
Pressure = 3 kb, Temperature = 300 C
Pressure = 4 kb, Temperature = 500 C
Pressure = 6 kb, Temperature = 1100 C
Pressure = 7 kb, Temperature = 1000 C
What will be an ideal response?

Question 2

Desalination plants, such as the one just completed in Tampa Bay,

A) are less expensive than groundwater supplies.
B) are a sustainable virtually unlimited source of water.
C) produce enough water for local agricultural crops such as corn.
D) cause groundwater levels to drop.

kaylee05 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

Pressure = 1 kb, Temperature = 700 C Metamorphism (high-grade)
Pressure = 2 kb, Temperature = 100 C Sedimentary
Pressure = 3 kb, Temperature = 300 C Metamorphism (low-grade)
Pressure = 4 kb, Temperature = 500 C Metamorphism (medium-grade)
Pressure = 6 kb, Temperature = 1100 C Igneous
Pressure = 7 kb, Temperature = 1000 C Metamorphism (high-grade)

Answer to Question 2

B