by Gelogia | Aug 27, 2024 | Physical Geology, Structural Geology
Three primary structural units of the earth CRUST MANTLE CORE These structures are divided based on seismic waves (P and S wave velocities) 1. Major Characteristics of Crust The crust is the Outermost and thinnest layer It is relatively cool and consists of hard rocks...
by Gelogia | Jun 6, 2023 | Structural Geology
The San Andreas Fault is one of the most well-known geological features in the world, running approximately 800 miles through the state of California, USA. This fault line has captured the fascination of scientists, geologists, and the public alike due to its...
by Gelogia | Nov 15, 2022 | Geology, Petrology, Structural Geology
Metamorphic Textures Small-scale features that occur in virtually all of the rock body at the microscopic scale The term ‘Fabric’ is also used synonymously. As the rock-forming processes differ among types of metamorphism, the resulting texture is also different....
by Gelogia | Nov 5, 2022 | Petrology
Classification Contact Metamorphism Pyrometamorphism Regional Metamorphism Orogenic Metamorphism Burial Metamorphism Ocean Floor Metamorphism Hydrothermal Metamorphism Fault-Zone Metamorphism Impact or Shock Metamorphism 1. Contact Metamorphism Temperature is the...
by Gelogia | Nov 4, 2022 | Petrology
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...
