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The Geologist Licensure Examination is a professional gateway for aspiring geologists in the Philippines. Administered by the Professional Regulation Commission (PRC), this exam assesses your knowledge of earth sciences, mineral resources, geological mapping, geohazards, and applied geology. Passing the exam grants you the license to practice as a Registered Geologist—a credential required for roles in mining, infrastructure, environmental consultancy, water resources, and academic research.
This comprehensive guide explains eligibility requirements, exam coverage, application procedures, preparation strategies, and career pathways. Whether you’re a fresh geology graduate or a professional aiming to meet regulatory requirements, this guide will help you understand what to expect and how to prepare effectively.
The Geologist Licensure Examination is a national board exam conducted by PRC to certify competent geologists who can safely and effectively work on geological assessments, mapping, and hazard analysis. It typically takes place once a year and consists of several written subjects that measure both theoretical understanding and technical application.
The exam ensures that only qualified individuals are licensed to practice geology professionally, especially in industries where public safety and environmental protection are critical.
To be eligible for the Geologist Licensure Examination, applicants must meet the following requirements:
A Bachelor’s degree in Geology or a related program recognized by CHED.
Transcript of Records showing completed geology-related coursework.
PSA Birth Certificate
PSA Marriage Certificate (if applicable)
Valid government-issued ID
Recent 2×2 ID photos with white background
Duly accomplished PRC application form
Examination fee payment
Foreign graduates must secure a Certificate of Equivalency from CHED. PRC may also require additional documents depending on your academic institution or citizenship status.
The PRC LERIS system is now the primary platform for submitting applications.
Create a PRC LERIS Account
Visit the PRC LERIS website and register.
Provide valid email and personal information.
Upload Requirements
Submit digital copies of your transcript, ID photos, and personal documents.
Choose Examination Schedule
Select your preferred exam date and testing center.
Pay the Examination Fee
Payment methods: electronic payment, PRC cashier, or partner outlets.
Print Documents
Print the application form and the Notice of Admission (NOA).
Submit Hard Copies
Depending on PRC announcements, applicants may still need to submit physical documents before exam day.
The exam includes three major subject areas, each focusing on key fields of geology.
This portion examines theoretical foundations and areas such as:
Principles of Geology
Geologic Time Scale
Plate Tectonics
Earth Materials and Processes
Geomorphology
Structural Geology (introductory)
Paleontology
Stratigraphy
This subject focuses on identification, properties, and classification of rocks and minerals:
Optical Mineralogy
Igneous, Sedimentary, and Metamorphic Petrology
Mineral Chemistry and Crystallography
Ore Minerals
Hand specimen identification
This includes practical applications of geology in industry and environmental science:
Engineering Geology
Environmental Geology
Hydrogeology
Geohazard Assessment
Remote Sensing and GIS
Economic Geology
Geological Mapping
Mining and Resource Exploration
Each subject requires technical knowledge and the ability to analyze geological scenarios.
The Geologist Licensure Examination is a multi-day written exam. The subjects are divided into separate test days, typically structured as:
Day 1: General Geology
Day 2: Petrology and Mineralogy
Day 3: Applied Geology
Questions are typically in essay and problem-solving formats. Some may include diagrams, mapping interpretations, and computations.
Success in the Geologist Licensure Examination requires advanced preparation and familiarity with concepts from your undergraduate program.
Start preparing at least 4–6 months before the exam.
Focus on fundamental concepts and advanced applications.
Practice with past board exam questions.
Study geological maps and learn to interpret cross-sections.
Most successful examinees recommend the following:
Geology textbooks (e.g., Tarbuck & Lutgens, Press & Siever)
Mineralogy and Petrology books (e.g., Klein & Dutrow)
Hydrogeology and Engineering Geology references
Online lecture materials from reputable geology organizations
While optional, most examinees join review centers specializing in geology. They provide:
Mock exams
Updated board exam trends
Intensive lectures and mapping exercises
Mapping is a crucial exam component. Practice the following:
Rock unit identification
Structural symbols
Topographic map reading
Stratigraphic column creation
Bring all required materials: NOA, valid ID, pencils, erasers, and calculators.
Arrive at least one hour early.
Manage time wisely—essay questions may require long explanations.
Stay calm and analyze each question carefully.
Keep diagrams neat and labeled.
PRC uses a weighted scoring system based on the three subjects. To pass:
You must have a general average of at least 75%, and
No rating below 50% in any subject.
Results are usually released within 3–10 working days after the exam.
Passing the Geologist Licensure Examination grants you the title Registered Geologist (R.G.). The next steps include:
Attend the PRC oath-taking ceremony, either onsite or online.
Claim your PRC Professional Identification Card and Certificate of Registration.
Licensed geologists can work in:
Mining and exploration companies
Engineering and construction firms
Government agencies (DENR, MGB, DPWH, LGUs)
Environmental consulting firms
Water resource management organizations
Academic and research institutions
Geologist
Exploration Geologist
Environmental Geologist
Hydrogeologist
Engineering Geologist
Geohazard Specialist
GIS and Remote Sensing Analyst
The demand for geologists in the Philippines continues to grow due to mining, infrastructure development, and environmental risk management.
₱25,000–₱35,000 per month depending on industry.
₱40,000–₱120,000 per month
Some industries such as oil and mining offer higher pay scales.
Many Filipino geologists work abroad in:
Australia
Canada
Middle East
Southeast Asia
These markets value licensed professionals with strong technical backgrounds.
Solution: Use organized study notes and practice computational geology frequently.
Solution: Allocate weekly practice sessions for map work and structural interpretation.
Solution: Simulate real exam conditions and answer past questions under timed settings.
Solution: Build a geology glossary and review regularly.
The Geologist Licensure Examination is challenging, but with systematic preparation and a solid understanding of geological concepts, you can succeed. Becoming a licensed geologist opens doors to exciting and meaningful careers in exploration, environmental protection, and scientific research. Equip yourself with the right knowledge, practice diligently, and approach the exam with confidence.
The Geologist Licensure Examination is a national board exam administered by the Professional Regulation Commission (PRC) for geology graduates who want to become licensed and legally practice as professional geologists. It assesses your understanding of general geology, petrology and mineralogy, and applied geology, including geohazards, resource exploration, and engineering and environmental applications.
You are generally eligible if you hold a bachelor’s degree in Geology or a related program recognized by the Commission on Higher Education (CHED). You must present your Transcript of Records, birth certificate, valid ID, photos, and other standard PRC requirements. Foreign graduates may need to secure equivalency or validation documents as required by Philippine regulations.
Applications are usually processed online through the PRC Licensure Examination and Registration Information System (LERIS). You need to create an account, fill in your personal and academic details, upload the required documents, choose your examination schedule and testing center, pay the examination fee, and then print your application form and Notice of Admission. Always refer to the latest PRC announcements for updated procedures.
The exam typically covers three main areas: General Geology, Petrology and Mineralogy, and Applied Geology. General Geology focuses on earth processes, geomorphology, structural geology, stratigraphy, and paleontology. Petrology and Mineralogy emphasize rock and mineral identification, classification, and properties. Applied Geology covers engineering geology, hydrogeology, environmental geology, economic geology, geological mapping, and geohazard assessment.
The Geologist Licensure Examination is usually administered over multiple days, with each major subject assigned its own session. The questions may include problem-solving items, essay-type questions, map interpretation, and diagram-based problems. You will be given several hours per subject, so effective time management and a clear answer structure are important for completing the exam on time.
To pass the Geologist Licensure Examination, you typically need a general weighted average of at least seventy-five percent (75%), with no rating below fifty percent (50%) in any of the three major subjects. Failing to meet the required average or getting a very low score in one subject can result in failing the entire examination, even if your other scores are relatively high.
Most successful examinees prepare seriously for at least four to six months before the exam. During this period, it is advisable to review your undergraduate notes, focus on core geology concepts, answer practice questions, and work on mapping and interpretation exercises. Your ideal preparation time may vary depending on your academic background, work experience, and how long ago you finished your degree.
Enrolling in a review center is not mandatory, but many candidates choose to do so for structure and guidance. Review centers can provide updated review materials, mock exams, and insights into common board exam patterns. However, it is still possible to pass through self-study, provided you follow a disciplined review plan, use reliable references, and practice regularly with past or sample questions.
Commonly used review materials include standard geology textbooks in general geology, structural geology, mineralogy, petrology, and applied fields such as hydrogeology and engineering geology. Some examinees also use lecture notes from university courses, review center handouts, geology atlases, geological maps, and online open-access resources. It helps to build a focused reading list rather than trying to study too many books superficially.
On exam day, bring your Notice of Admission, valid government-issued ID, several sharpened pencils, a good eraser, and an approved calculator if allowed by PRC rules. Arrive early at the testing center to avoid stress from traffic or unexpected delays. Read instructions carefully, manage your time per question, keep diagrams neat and labeled, and remain calm even if you encounter difficult items.
If you pass, PRC will announce the list of successful examinees and issue instructions for the oath-taking ceremony. After taking your professional oath, you can claim your Professional Identification Card (PRC ID) and Certificate of Registration. You may then legally practice as a Registered Geologist in the Philippines and apply for positions in mining, engineering, environmental consulting, government agencies, research institutions, and other geology-related sectors.
Licensed geologists may work as exploration geologists, hydrogeologists, engineering or environmental geologists, geohazard specialists, or consultants in mining, infrastructure, and development projects. There are also opportunities in government offices dealing with natural resources and hazard management, as well as in universities and research institutions. With experience, geologists can advance to senior technical positions, project leadership roles, or management-level posts in local and international companies.
Many Filipino geologists eventually pursue opportunities overseas, especially in countries with active mining, oil and gas, and infrastructure sectors. While the Philippine license demonstrates your professional qualification, some countries may require additional licensing, certifications, or recognition of foreign credentials. It is important to research the specific requirements of your target country and prepare documentation of your education, licensure, and work experience.
Philippines Board Exam Guide: Complete Overview for Students and Professionals