---
title: "Engineering geology versus geology; disciplines"
subject: "Engineering Geology I"
chapter: 1
key: "semester_3/engineering_geology_i:engineering-geology-versus-geology-disciplines"
source: https://www.bctengineer.com/q/semester_3/engineering_geology_i/engineering-geology-versus-geology-disciplines
site: BCT Engineering
---

# Engineering geology versus geology; disciplines

Engineering Geology I · Chapter 1: Geology and Civil Engineering

- Asked in: 2081 Kartik (new course), 3 marks; 2066 Jestha (old course), 1 marks (asked 2 times)
- Video: [GEOLOGIC ENGINEERING AND ITS SCOPE || BRANCH OF CIVIL ENGINEERING](https://www.youtube.com/watch?v=mPmqPywqesI) — Civil Engineering Guru
- Answer checked by Claude Opus 5.5 (high effort) on 2026-10-14
- Page: https://www.bctengineer.com/q/semester_3/engineering_geology_i/engineering-geology-versus-geology-disciplines
- Whole chapter: https://www.bctengineer.com/md/semester_3/engineering_geology_i/chapter-1

## Question

Differentiate between engineering geology and general geology. List the various disciplines (branches) within the field of geology.

## Short answer

General geology is a pure science studying Earth's origin and history; engineering geology is applied, focusing on strength, stability and hazards for civil works. Branches include mineralogy, petrology, structural geology, physical geology, stratigraphy, palaeontology, geomorphology, hydrogeology, economic geology, and geophysics.

## Answer

#### Engineering geology versus general geology

| Basis | General geology | Engineering geology |
|---|---|---|
| Aim | Understand the Earth and its history | Solve geological problems of civil works |
| Nature | Pure science | Applied science |
| Focus | Origin, composition, evolution | Strength, stability, water, hazards |
| Scale/time | Large areas, millions of years | Site-specific, engineering life of structure |
| Output | Maps and theories | Engineering maps, reports, design advice |
| Users | Geologists | Civil engineers and geologists |

#### Disciplines (branches) of geology
- Mineralogy and crystallography
- Petrology
- Structural geology
- Physical geology
- Historical geology and stratigraphy
- Palaeontology
- Geomorphology
- Hydrogeology
- Economic geology
- Geophysics and geochemistry
- Engineering geology

## Check yourself

The answer's key points as multiple-choice questions, with the correct option and why.

1. Engineering geology differs from general geology in being:
   A. A pure science of Earth history
   B. Concerned only with fossils
   C. Concerned with millions of years only
   D. An applied science for civil works
   Answer: D. General geology is pure science; engineering geology is applied. (Key point: Nature)

2. Which focus belongs to engineering geology?
   A. Strength, stability, water and hazards
   B. Origin and evolution of the Earth
   C. Theories of mountain age only
   D. Fossil classification
   Answer: A. Engineering geology focuses on practical ground behaviour. (Key point: Focus)

3. Engineering geology generally works at:
   A. Whole-planet scale over millions of years
   B. Site-specific scale over structure life
   C. Atomic scale
   D. No definite scale
   Answer: B. It is site-specific and tied to engineering life of the structure. (Key point: Scale)

## Related in Engineering Geology I

- [Branches of geology and their interrelationships](https://www.bctengineer.com/question.md?key=semester_3%2Fengineering_geology_i%3Abranches-of-geology-and-their) — Engineering Geology I, chapter 1, asked 4×
- [Scope and importance of geology in civil engineering](https://www.bctengineer.com/question.md?key=semester_3%2Fengineering_geology_i%3Ascope-and-importance-of-geology) — Engineering Geology I, chapter 1, asked 24×
- [Define engineering geology; scope and importance](https://www.bctengineer.com/question.md?key=semester_3%2Fengineering_geology_i%3Adefine-engineering-geology-scope-and) — Engineering Geology I, chapter 1, asked 24×
- [Silicate versus carbonate minerals in the field](https://www.bctengineer.com/question.md?key=semester_3%2Fengineering_geology_i%3Asilicate-versus-carbonate-minerals-in) — Engineering Geology I, chapter 3, asked 2×
- [Scope of petrology and structural geology](https://www.bctengineer.com/question.md?key=semester_3%2Fengineering_geology_i%3Ascope-of-petrology-and-structural) — Engineering Geology I, chapter 1
- [Identify the three rock types in the field](https://www.bctengineer.com/question.md?key=semester_3%2Fengineering_geology_i%3Aidentify-the-three-rock-types) — Engineering Geology I, chapter 4, asked 5×

## Related in other subjects

- [Scope of engineering geology in civil engineering](https://www.bctengineer.com/question.md?key=semester_4%2Fengineering_geology_ii%3Ascope-engineering-geology) — Engineering Geology II, chapter 1
- [General OS versus real-time OS](https://www.bctengineer.com/question.md?key=semester_5%2Fsoftware_engineering%3Ageneral-os-vs-rtos) — Software Engineering, chapter 4
- [RTOS versus general-purpose OS](https://www.bctengineer.com/question.md?key=semester_6%2Fembedded_system%3Artos-vs-gpos) — Embedded System, chapter 6, asked 4×
- [ASIP versus general purpose processor](https://www.bctengineer.com/question.md?key=semester_6%2Fembedded_system%3Aasip-vs-gpp) — Embedded System, chapter 2