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Bachelor of Science in Geochemistry California Institute of Technology




Course info


The GPS undergraduate program is designed to provide its students with a thorough training in the geological and planetary sciences and, whenever possible, to integrate these studies with the core curriculum courses in mathematics, physics, chemistry, and biology that all students take during their first years at Caltech.

Active involvement in research, particularly during the summer, is encouraged for all of GPS's undergraduate students. For geologists, that research will include an emphasis on fieldwork, which the division believes provides the kind of firsthand experience with geological phenomena that cannot be fully gained in a classroom or laboratory.

Learning Outcomes in the GPS Division

The expectation for undergraduate students in the earth and planetary sciences in the GPS Division is that they will:

  • have a basic understanding of the relevant scientific principles and observations,
  • have the basic skills in geology, physics, chemistry, or biology to address problems in this science,
  • be able to communicate this scientific knowledge to scientists and the public, and
  • have had experience in doing research.

Program Requirements

  • Ge 11 ab, Ge/Ay 11 c or Ge 11 d, Ge 109 and science writing course.2
  • Ma 2 and one choice from: Ma 3, Ge/ESE 118, Ge/Ay 117, Ph 2 c, or Ch 21c.
  • Ph 2 a or Ph 12 a plus an additional quarter of sophomore-level physics (Ph 2 b, Ph 2 c, Ph 12 b, or Ph 12 c).
  • Either ACM 95 ab or the combination of a full-year chemistry sequence (Ch 21 abc or Ch 41 abc) plus Ge/ESE 118.
  • Three courses from the list below:
  • Ge 114 ab (counts as one course), Ge 116, Ge 140a, Ge 140b, Ch 41 a, Ch 21 a, ESE/Ge/Ch 171, Ge/ESE 149.
  • A total of 105 units from this and item 5 that include at least four courses in the Ge-option:
  • Ch electives: Ch 4 ab, Ch 6 ab, Ch 8, Ch/ChE 9, Ch 14, Ch 15, Ch 21 bc, Ch 41 bc, Ch 102.
  • ChE electives: ChE 63 ab.
  • ESE electives: Ge/ESE 143, ESE 103, Ge/ESE 154, ESE/Ge/Ch 172, ESE/Ch 175, ESE/Ch 176.
  • Ge electives: Ge 40, Ge 106, Ge 112, Ge 115 abc, Ge 120 ab, Ge/Ch 127, Ge/Ch 128, Ge/Ay 132, Ge 191, Ge 212, Ge 214, Ge 215, Ge 232.
  • APh electives: APh 17 abc.
  • MS electives: MS 105, MS 125, MS 131, MS 133, MS/ME 161.

1: No class may be used to simultaneously satisfy more than one of these requirements

2: For example, E 11, or En/Wr 84.

Course options

Here are the different ways in which you can study Bachelor of Science in Geochemistry.

Full Time (4 years)

Tuition fees

$52,506.00 (37,60,611) per year


01-Oct-19, 06-Jan-20, 30-Mar-20, 29-Sep-20


Division of Geological and Planetary Sciences

1200 East California Boulevard,



91125, United States

Entry requirement for international students

International citizens must have completed Caltech's required academic preparation during their secondary school career.

Academic Preparation Requirements

4 years of math (including calculus)
1 year of physics
1 year of chemistry
3 years of English (4 years recommended)
1 year of U.S. history/government (waived for students in schools outside the U.S.)

Additional requirements of our international citizen applicants: TOEFL scores: Required of all international citizens unless 1) your native language is English or 2) you have studied for two or more years in a school where English is the language of instruction.

California Institute of Technology*

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* Please check with your chosen school for the exact entry requirements for your programme.

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