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Metamorphic Agents and Changes
Four types of Metamorphic agents Temperature Pressure Directive stress Chemically active fluid/metamorphic fluids Temperature In regular continental crust, a typical geothermal gradient within the first 3 to 5 kilometers (2 or 3 miles) of Earth's surface is about...
Introduction to Metamorphism
What is Metamorphism? The term metamorphism comes from the Greek (meta morph), meaning “change of form. The International Union of Geological Sciences (IUGS) defined Metamorphism as - “a process involving changes in the mineral content/composition and/or...
Objectives of Structural Geology
Without an objective, no work can be accomplished. Like when a structural geologist works, he also has some objectives. Those are: What is structure?When did it develop?Under what physical conditions did it form? Let's talk about the objectives. What is structure? ...
Relation of Structural Geology With Other Branches of Geology
Structural geology is a branch of geology that deals with the structural deformation, causes, and distribution of these structural features with geography. Structural geology deals with fold, fault, unconformity, cleavage, schistosity, lineation. And their causes,...
Mechanical Principles – Force, Pressure, Stress, Strain
Mechanical principles describe the rock's physical properties and deformation causes. In structural geology, the deformation causes of rocks and their properties are significant. Some mandatory types of mechanical principle as follows: ForcePressureStressStrain...
Understanding Structural Geology
Structural geology is concerned with rock deformation on both a big and microscopic scale. Its research ranges from submicroscopic crystal lattice flaws to fault formations and fold systems in the Earth's crust. Structural geology advanced significantly in the first...
Physical Properties of Rocks and Minerals
The study of rock deformation needs knowledge of the physical properties of rock about deformation. These properties are concerned either with elastic or with plastic deformation or with rupture. Table of Content Elastic propertiesPlastic propertiesRuptureBrittle...
Principles of Stratigraphy
Stratigraphy is the branch of geology that sheds light on strata formation, composition, distribution, and succession. Stratigraphy is concerned with the description, organization, and classification of stratified rock. In addition, it is the study of temporal...
Types of Minerals
Before we learn about mineral types, we must know what minerals are. There are a few characteristics before we identify or call a mineral. Characteristics are: Naturally Occurring - Substances produced in the lab or the industry are not...