Petrology Report 1
Chapter 1 Q4: How do the conditions of pressure and temperature vary within the Earth?
The pressure generally increases with depth within the Earth, according to the formula ,
where P is pressure in Pa, rho is the density of
Chapter 3: Question 4:
How can we work backward from the knowledge we have and use the textures we see to
interpret the developmental history of the rock exhibiting them?
Certain textures in igneous rocks are often related to the envi
Chapter 6: Question 5:
How do liquids and associated mineral solids vary in composition during crystallization and
Magma and molten rock tend to crystallize in complex ways. Rather than having one set
melting point, many minera
Report 5- Chapter 16/17
Chapter 16: Question 2:
Why are island arc magmas so much more diverse than other intra-oceanic igneous
provinces? What is the nature of that diversity and what is responsible for it?
The main compositional difference be
Chapter 10: Question 1:
Is mantle melting a normal process in the sense that it is a natural consequence of the
typical shield and oceanic plate geotherm? If not, what is required to initiate partial
The primary composition o