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Faculty of Arts & Science · St. George

ESS223H1

Introduction to Geochemistry

Prerequisite2 requirements, 3 options
Total contact hours24 lecture · 24 tutorial
Evidence2 papers

What was the average?

Not reported

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From the calendar

Official source · Faculty of Arts & Science

This course introduces students to the basic principles of geochemistry that are used to understand Earth system processes. Topics will include the origin and distribution of elements and isotopes on Earth, mineral compositions, phase diagrams, weathering, and aqueous geochemistry. The course will also cover the thermodynamic and kinetic principles that govern chemical reactions in nature.

Exclusions
ENV233H1
Contact hours
24 lecture · 24 tutorial
Total scheduled hours for the course, not per week.

One option from each line

MAT130H1, or MAT135H1

CHM135H1

How well we know this course

2022–2023

Pyko’s archive holds 2 documents for ESS223H1, across 2 years between 2022 and 2023.

2
Final exams

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A course averageNo term has been reported for this offering. Averages come from students who contribute their own results, and nobody has yet.
Instructor-level detailAverages are not split by instructor. At these sample sizes the difference between sections is noise, not signal.

Source ledger

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Sources behind every claim on this page
ClaimSourceCapturedStatus
Course description, prerequisites, exclusions, contact hoursFaculty of Arts & Science2026-07-25public fact
2 archived documents, 2022-2023Pyko archive2026-07-25index only

Page last verified 2026-07-25. A claim whose source moves is withdrawn before it goes stale.

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ESS223H1 past exams — UofT | Pyko