Exam: GRE (Verbal)

Definition: Money that is earned from selling oil, often used in international trade.

Example: Many countries rely on petrodollars to support their economies.

Definition: The study of how rocks, particularly igneous ones, are formed and where they come from.

Example: Petrogenesis helps geologists understand the processes that create different types of rocks.

Definition: Relating to the process of forming new rocks from molten material.

Example: The petrogenetic studies help us understand how different types of rocks are formed.

Definition: A person who studies the composition and structure of rocks, especially through microscopic examination.

Example: The petrographer analyzed the mineral content of the rock samples.

Definition: Related to the study and description of rocks and minerals, especially through the use of thin sections and microscopic analysis.

Example: The petrographic analysis revealed the mineral composition of the rock sample.

Definition: The study and classification of rocks based on their mineral content and texture.

Example: Petrography is essential for understanding the geological history of an area.

Definition: A thick, oily liquid found underground that is used to make fuel and other products.

Example: The company is drilling for petroleum in the Gulf of Mexico.

Definition: Relating to the study of rocks and the conditions under which they form.

Example: The petrologic analysis revealed important information about the geological history of the area.

Definition: Relating to the study of rocks and their formation.

Example: The petrological analysis revealed important information about the region's geological history.

Definition: In a way that relates to the study of rocks and their formation.

Example: The samples were analyzed petrologically to understand their mineral composition.