Petrology
Petrology is the branch of geology that dives into how rocks originate, what they’re made of, how their textures and structures reflect the forces that formed them — from molten magma solidifying to deep-burial metamorphism and surface sedimentary layering. In this category, you’ll explore the chemical and physical story behind every rock type, understand how they transform through geological time, and see why engineers, geologists and field-practitioners care deeply about their composition and behaviour.
Metamorphic Textures & Fabrics
When a rock enters the metamorphic environment, it begins a slow but profound transformation. Heat increases, pressure rises, minerals dissolve and re-crystallize, grains rotate,...
Granite in Engineering and Design: Composition, Properties and Modern Uses
Granite is one of the most recognizable and most used intrusive igneous rocks on Earth. It is hard, resistant to weathering, aesthetically attractive, and...
Index Minerals and Metamorphic Grades
Introduction: What Are Index Minerals?
Metamorphic rocks record the physical and chemical changes that occur deep within Earth’s crust. Among the most important clues to...
Basalt vs Granite – Key Differences
Basalt and granite are among the most common and important igneous rocks on Earth. Both form from molten magma, but under very different conditions.Basalt...
