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The route into geologist

Assembled backwards from the job: the degrees that lead there, the subjects those degrees require, the exams and when they are sat, and what the whole thing costs in years. Print it.

1. Subjects, chosen at fifteen or sixteen

Aggregated across every degree that leads here. Anything marked required closes the door if you skip it.

Saudi curriculum track

مسار الصحة والحياةor مسار علوم الحاسب والهندسة· مسار علوم الحاسب والهندسة— Computer Science and Engineering · مسار علوم الحاسب والهندسةor مسار الصحة والحياة

A-Level

  • Mathematicsrequiredfor Chemistry, Civil Engineering, Earth Sciences and Geology, Environmental Science, Petroleum Engineering
  • Physicsrequiredfor Chemistry, Civil Engineering, Earth Sciences and Geology, Environmental Science, Petroleum Engineering
  • Chemistryrequiredfor Chemistry, Earth Sciences and Geology, Environmental Science, Petroleum Engineering
  • Geographyhelpsfor Civil Engineering, Earth Sciences and Geology, Environmental Science, Petroleum Engineering
  • Biologyhelpsfor Chemistry, Earth Sciences and Geology, Environmental Science
  • Further Mathematicshelpsfor Civil Engineering, Petroleum Engineering
  • Design and Technologyhelpsfor Civil Engineering

IB Diploma

  • Chemistry HLrequiredfor Chemistry, Earth Sciences and Geology, Environmental Science, Petroleum Engineering
  • Physics HLrequiredfor Chemistry, Civil Engineering, Earth Sciences and Geology, Petroleum Engineering
  • Mathematics: Analysis and Approaches HLrequiredfor Civil Engineering, Petroleum Engineering
  • Biology HLhelpsfor Chemistry, Environmental Science
  • Geographyhelpsfor Civil Engineering, Petroleum Engineering
  • Geography HLhelpsfor Earth Sciences and Geology, Environmental Science
  • Mathematics: Analysis and Approaches HL or SLhelpsfor Chemistry
  • Design Technologyhelpsfor Civil Engineering
  • Mathematics SL or abovehelpsfor Earth Sciences and Geology
  • Environmental Systems and Societieshelpsfor Environmental Science

Advanced Placement

  • AP Chemistryhelpsfor Chemistry, Earth Sciences and Geology, Environmental Science, Petroleum Engineering
  • AP Environmental Sciencehelpsfor Civil Engineering, Earth Sciences and Geology, Environmental Science, Petroleum Engineering
  • AP Physics 1helpsfor Chemistry, Civil Engineering, Earth Sciences and Geology
  • AP Biologyhelpsfor Chemistry, Environmental Science
  • AP Calculus BChelpsfor Civil Engineering, Petroleum Engineering
  • AP Physics C: Mechanicshelpsfor Civil Engineering, Petroleum Engineering
  • AP Human Geographyhelpsfor Earth Sciences and Geology, Environmental Science
  • AP Calculus AB or BChelpsfor Chemistry
  • AP Calculus ABhelpsfor Earth Sciences and Geology
  • AP Statisticshelpsfor Environmental Science

2. The degree

More than one route usually exists. They are not equivalent.

  • Chemistry

    Geochemistry and materials analysis in the energy and mining sectors.

    Three to four years, with four-year integrated master's routes standard for research-bound students in the UK.

  • Civil Engineering

    Geotechnical work sits between the two disciplines and moves in both directions.

    Four to five years, plus several years of supervised experience before chartered or professional status.

  • Earth Sciences and Geology

    The direct destination — minerals, energy, water and ground investigation.

    Three to four years, with fieldwork throughout and a mapping project that is often the defining piece of work.

  • Environmental Science

    Contaminated land, groundwater and ground investigation, where the two disciplines overlap directly.

    Three to four years, usually with fieldwork and often a placement.

  • Petroleum Engineering

    The adjacent discipline; petroleum engineers and geologists work the same problem from two directions.

    Four to five years, with a preparatory year common and industrial placement standard.

3. Exams, and when to sit them

Registration deadlines fall weeks or months before the exam. That is what people miss, not the exam.

  • ESATOctober

    Cambridge natural sciences and Imperial require it; most universities do not.

    • July to SeptemberUCAT testing window, sat at a test centre.
    • September to JanuaryLNAT testing window for most law courses.
    • OctoberMost Oxford and Cambridge subject tests — TMUA, ESAT, PAT, TSA.
    • JuneSTEP, sat alongside A-Levels as a condition of a Cambridge or Warwick offer rather than for shortlisting.
  • Qudurat and TahsiliGrade 11 and 12

    The Saudi admission composite, with the Tahsili chemistry component directly relevant.

    • Several periods across the yearQudurat (General Aptitude Test), open from Grade 11. Computer-based and paper sittings both run.
    • Final months of the school yearTahsili (Scholastic Achievement Test), sat near the end of Grade 12 once the syllabus is covered.
    • Spring and summer of Grade 12University applications through the unified admission portals and each university's own portal.
  • IELTS, TOEFL or STEPBefore enrolment

    Decides whether an English preparatory year is required.

    • Weekly, year-roundIELTS and TOEFL both run frequently at centres across the Kingdom; Duolingo and PTE can be sat at very short notice.
    • 3 to 13 days after the testResults, depending on the test. IELTS computer-delivered is among the fastest; paper-based is slower.
    • Autumn of Grade 12 at the latestWhen to have sat it by, leaving room for one repeat before offers are decided.
  • No admissions test for most coursesNot applicable

    Environmental science rarely requires a subject admissions test anywhere, which makes this one of the least administratively demanding science applications.

4. After the degree

Training, licensing and the years between graduating and practising independently.

Saudi Arabia

  1. schoolSecondary school, science track (علمي)3 yr
  2. undergraduateBSc Geology or Geophysics4–5 yrs
  3. postgraduateMaster's, commonly expected for technical roles1–2 yrs
  4. practiceGeologist0 yr

LicensingNo professional licence is required for geology in Saudi Arabia in the way engineering registration is required. Employer competence standards are the practical gate.

United Kingdom

  1. schoolA-levels including maths and a science2 yr
  2. undergraduateBSc or MSci Geology / Earth Science3–4 yrs
  3. postgraduateMSc in a specialism, for many industry roles1 yr
  4. practiceGeologist0 yr

LicensingChartered geologist status exists and helps progression, particularly in engineering geology, but is not legally required to practise.

5. What the route costs

Not tuition — time. The years spent training are years not spent earning, and that is the largest cost of a long route by a wide margin.

Saudi Arabia

School-leaving to independent practice: 4–7 years.

The shortest route needing no degree written up on this site is air traffic controller at 4 years. Someone taking that route has been earning for 3 years by the time this one starts. At their entry pay of SAR 140,000–220,000, that is roughly SAR 420,000–660,000 of earnings deferred.

United Kingdom

School-leaving to independent practice: 3–5 years.

The shortest route needing no degree written up on this site is management consultant at 3 years. Someone taking that route has been earning for 2 years by the time this one starts. At their entry pay of £27,000–35,000, that is roughly £54,000–70,000 of earnings deferred.

How that figure was reached, and what it leaves out

It is arithmetic on the sourced figures elsewhere on this site — training years multiplied by the shortest route’s entry pay — not a measurement of anything. It ignores what trainees earn while training, which in medicine and several other routes is a real salary. It ignores the pay you reach afterwards, which for long routes is usually higher and can overtake the gap entirely. And it excludes tuition, deliberately: Saudi public universities charge nationals no tuition, and fees abroad vary so widely by country and university that any single figure would be misleading. Treat it as a sense of scale for the years, not as a calculation of whether a career is worth it.

Everything on this page is assembled from the career page, the majors that lead to it and the exams those majors require, so it cannot say something they do not. Entry requirements change every year — confirm on the course page for the year you apply.