GEOL 2520 IGNEOUS AND METAMORPHIC PETROLOGY Instructor: Where & when:

GEOL 2520 IGNEOUS AND METAMORPHIC PETROLOGY
COURSE OUTLINE
Instructor:
Where & when:
Assigned text:
Contact info:
Dr. Anton Chakhmouradian (Rm. 230, Wallace Bldg)
January 5 – April 8, 2011 (except February 21-25)
Lectures: Mon, Wed & Fri @ 1:30 pm in Rm. 217, Wallace Bldg
Labs: Mon & Wed @ 2:30 pm in Rm. 245, Wallace Bldg
Winter, J.D. (2009): “Principles of Igneous and Metamorphic
Petrology”, 2nd Edition. Prentice-Hall, New York, 702 pp.
Please note that only selected topics from this text are covered in the
course (see below for relevant page numbers). For all additional
material not covered in the textbook you will have to rely on your
lecture notes and handouts. The older 1st Edition is also acceptable.
You are encouraged to ask questions in or after class, in the lab,
or consult me during my office hours (Tue and Thu, 3:00-5:00 pm) or
by e-mail, [email protected] (please indicate your student
number in the subject line to ensure your e-mail is answered)
Material covered in the course:
(relative order of topics is subject to change)
INTRODUCTION
Major rock types. Earth’s structure and composition. The mineral makeup of the Earth’s
mantle and crust. The origin of igneous and metamorphic rocks.
IGNEOUS PETROLOGY
The origin of magmas
Chapter(s) 1, 6 (selected topics)
Mineralogy of igneous rocks
Major, minor, and accessory minerals in igneous rocks: a review (major rock-forming
minerals are emphasized). Introduction to igneous phase diagrams. “Forbidden” mineral
assemblages. Equilibrium, disequilibrium and metastable crystallization. Assignment 1.
Refer to the handout and text/notes for GEOL 2500/2540
Textures of igneous rocks
Major criteria used in the recognition of igneous rocks. Primary and secondary igneous
textures. Zoning. Using igneous textures to decipher the origin and crystallization
history of rocks. Chapter(s) 3, 6 (selected topics)
Classification of igneous rocks
Classification of various igneous rocks on the basis of their mineralogy, texture and
chemical composition. Root names and modifiers. Assignment 2. Chapter(s) 2
Igneous structures and field relations
Extrusive and intrusive igneous bodies: forms and modes of occurrence. Types of igneous
contacts. Emplacement of magmas in the crust and the “room problem”. Chapter(s) 4
Magmatic processes and chemical evolution of magmas
The chemical composition of igneous rocks as a tracer of magma evolution. Parental,
primitive, primary, evolved and derivatite magmas. Major mechanisms and vehicles of
magmatic differentiation (diversification). Magma evolution in graphs. Assignment 3.
Chapter(s) 6 (selected topics), 7, 8, 9 (selected topics)
Tectonic-igneous rock associations
Oceanic crustal settings:
Mid-oceanic ridge basalts and ophiolites; Chapter(s) 13
Oceanic intraplate regions; Chapter(s) 14
Subduction zones and island arcs; Chapter(s) 16
Continental crustal settings:
Continental arcs and subduction zones; Chapter(s) 17
Granitoids; Chapter(s) 18
Continental flood basalts; Chapter(s) 15
Layered mafic intrusions and large igneous provinces; Chapter(s) 12
Anorthosites; Chapter(s) 20
METAMORPHIC PETROLOGY
Introduction to metamorphism
The forces, processes and factors that control metamorphism. The limits of
metamorphism. Protoliths. Major criteria used in the recognition of metamorphic rocks.
Conditions and types of metamorphism. Chapter(s) 21
Mineralogy of metamorphic rocks
Major, minor, and accessory minerals in metamorphic rocks: a review (major rockforming minerals are emphasized). Introduction to metamorphic phase diagrams.
Equilibrium in metamorphic systems. Refer to the handout and text/notes for GEOL
2500/2540
Deformation and textures of metamorphic rocks
The processes, products and limits of deformation. The importance of textural
characteristics for the identification and interpretation of metamorphic mineral
assemblages. Chapter(s) 21 (selected topics), 23
Classification of metamorphic rocks
The IUGS-approved recommendations for metamorphic-rock classification. Root names
and modifiers. Chapter(s) 22
Metamorphic reactions and metamorphic facies
Metamorphic zones, index minerals, isograds. Chapter(s) 21 (selected topics)
The phase rule. Graphical representation of stable metamorphic mineral assemblages.
Major types of compatibility diagrams. Chapter(s) 24, 26 (selected topics)
Metamorphic facies. Definitive mineral assemblages. The facies concept applied to the
classification of metamorphic rocks. Metamorphic facies in the context of plate
tectonics. Chapter(s) 25
Metamorphic reactions. Tie-line flips. Petrogenetic grids. Chapter(s) 26
Metamorphism of pelitic, calcareous, mafic and ultramafic rocks. Chapter(s) 28, 29
EVALUATION PROCEDURES*
Midterm test, 10:30-11:20 am on March 4 (Fri)
Final exam (cumulative), 2 hours, date and time TBA
Lab reports and assignments
Midterm lab test, Mar 7 (Mon) and 9 (Wed) at 2:30 pm
Final lab test (cumulative), date and time TBA
20%
40%
15%
8%
17%
* To pass this course, you must earn a passing score on both of its components (theory and lab).
You are referred to the University of Manitoba Undergraduate Calendar for the University policies on
plagiarism, cheating and impersonation at examinations. For further information, see
http://umanitoba.ca/student/resource/student_advocacy/cheating_plagiarism_fraud.html.
Please note that the deadline for voluntary withdrawal is March 18, 2011.