2019 Laboratory in Earth and Planetary Sciences (geochemistry)

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Academic unit or major
Undergraduate major in Earth and Planetary Sciences
Yokoyama Tetsuya  Haba Makiko  Ueno Yuichiro  Gilbert Alexis Romai  Ohta Kenji 
Class Format
Media-enhanced courses
Day/Period(Room No.)
Tue5-8(S5-112)  Fri5-8(S5-112)  
Course number
Academic year
Offered quarter
Syllabus updated
Lecture notes updated
Language used
Access Index

Course description and aims

Geochemistry uses the tools and principles of chemistry to explain the mechanisms behind geological systems. In the first half of this course, students learn basic methods of mineral separation, density measurement of rock-forming minerals and saline solution, and crystallography analysis. In the second half, students learn chemical analysis of bulk-rock and rock-forming mineral.

Student learning outcomes

The goals are to learn methods for
1) obtaning basic physico-chemical parameters used in geoscience (e.g., rock composition, mineral density) from natural rock sampls,
2) dealing with physico-chemical parameters to understand geological systems.


geochemistry; rock composition; mineral density; X-ray diffraction; crystallographic structure

Competencies that will be developed

Specialist skills Intercultural skills Communication skills Critical thinking skills Practical and/or problem-solving skills

Class flow

To be announced in the class

Course schedule/Required learning

  Course schedule Required learning
Class 1 rock pulverization, mineral separation To be announced in the class (rock-forming minerals, mineral separation, modal compositions)
Class 2 Density measurement of rock-forming minerals by densimeter To be announced in the class (Principles of mineral density measurement)
Class 3 X-ray diffraction analysis by XRD To be announced in the class (Principles of X-ray deflection analysis)
Class 4 Density measurement of saline solution using pycnometer method To be announced in the class (Molar volume of saline solution)
Class 5 Acid digestion of rocks and minerals To be announced in the class (Fusion method of rocks and minerals)
Class 6 Sample preparation of digested rock/mineral samples To be announced in the class (Acid digestion method of rocks and minerals)
Class 7 Determination of silica contents in rocks/minerals To be announced in the class (Principles of wet chemical analysis of rocks and minerals)
Class 8 Determination of major element contents (except for Si) in rocks/minerals To be announced in the class (Principles of ICP-MS analysis)


Experiment manual and text are provided before the 1st day of the class.

Reference books, course materials, etc.

See Japanese texts listed above.

Assessment criteria and methods

Check the student's comprehension by
1) lab note filed each after the class,
2) final report after the course of this class.

Related courses

  • EPS.A330 : Geochemistry and Cosmochemistry
  • EPS.B211 : Inorganic Chemistry (EPS course)
  • EPS.A331 : Earth Materials
  • EPS.A201 : Introduction to Material Sciences of Earth and Planet

Prerequisites (i.e., required knowledge, skills, courses, etc.)


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