Types of Igneous Rocks Formation

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25 Questions

What type of structures are formed after their host rock is lithified?

Secondary structures

Which type of structures form the boundary between distinct units?

Boundary structures

What is a characteristic of secondary structures?

They are formed after lithification

What is the main function of boundary structures?

To separate distinct rock units

What is not a characteristic of secondary structures or boundary structures?

Formed during sedimentation

What is a characteristic of a force?

It has both magnitude and direction.

What does the magnitude of a force describe?

How strong the push or pull is.

Which of the following is NOT a characteristic of a force?

It is a scalar quantity.

What is the definition of stress?

The intensity of force per unit area.

What type of quantity is stress?

Tensor quantity

What is the direction of a force related to?

The way the push or pull is.

What type of force gives rise to stress?

External force

What is the term for the strength of a force?

Magnitude.

In the example of the rod, what type of force is applied?

Axial force

What is the orientation of stress?

In a plane

What type of analysis can be used to study the conglomerate in a constrictional state of strain?

Strain analysis

What is the location of the seismically active fault mentioned in the content?

Gulf of Corinth

What percentage of the final grade is based on the average of theory and lab?

25%

Which type of analysis is most closely related to the study of the mechanisms that cause earthquakes?

Mechanism analysis

How much of the grade is based on exam 1 and exam 2 combined?

40%

What is the percentage of attendance in the grading policy?

10%

What is the relationship between the scale of observation and the tools used in analysis?

Each scale has its own set of tools

What is the percentage of the final grade based on the semester grade?

40%

What is the primary focus of structural analysis?

Studying the structure of the Earth's crust

In what year did Dr. Burkan Saeed Othman likely teach this course?

2020-2021

Study Notes

Types of Structures

  • Secondary structures are formed after their host rock is lithified.
  • Boundary structures form the boundary between distinct units.

Forces and Stresses

  • A force is a vector quantity with magnitude (strength) and direction.
  • Stress is the intensity of force per unit area.
  • Internal forces arise from external forces applied.

Examples of Forces

  • A single axial force applied to the topmost cross-section of a rod.
  • Seismically active fault in the Gulf of Corinth.

Strain Analysis

  • Conglomerate in a constrictional state of strain.

Types of Analysis

  • Dynamic analysis
  • Mechanism analysis
  • Tectonic analysis

Structural Geology

  • Each scale of observation has its own set of tools.

Lecture Notes

  • Structural Geology 1 lecture notes by Dr. Burkan Saeed OTHMAN (2020-2021).

Grading Policy

  • Attendance: 10%
  • Quizzes: 10%
  • Trips: 10%
  • Activity: 10% (not mandatory)
  • Exam 1: 30%
  • Exam 2: 30%
  • Theory: 25% (average)
  • Lab: 15%
  • Semester grade: 40%
  • Final exam: 60%
  • Final grade: 100% (40% semester + 60% final exam)

This quiz covers the formation of igneous rocks, including secondary and boundary types. Learn about the different ways igneous rocks are formed and their characteristics.

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