Geology
Home Geology
The study of general geology helps us understand the Earth's past and present, and can provide insights into future changes in the planet's landscape and environment.
READ MORE...
Chalk vs Limestone: Differences, Formation, Properties & Uses (Complete Guide)
Chalk and limestone are two of the most common carbonate rocks on Earth, yet they represent very different geological histories, textures, and engineering behaviors....
Gemstones by Color Chart
Gemstones tell stories in color.From the glowing red of a ruby to the calm blue of a sapphire and the rich green of an...
Erosion and Weathering: Examples & Processes
The surface of our planet is constantly changing. Mountains crumble, valleys deepen, and rocks break apart over time. These transformations occur because of two...
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...
10 Minerals That Changed the Course of Human History
Throughout human history, minerals have been far more than just stones beneath our feet — they’ve been the very foundation of progress. Each era...
List of Black Gemstones: The Geology, Formation, and Symbolism
Black gemstones represent one of the most fascinating intersections between geology and human culture.Their deep colors — produced by iron oxides, carbon inclusions, and...
Metamorphic Rocks: Foliation, Lineation, and Metamorphic Grades
Introduction: The Transformation of Rocks Under PressureMetamorphic rocks are the result of an incredible transformation. When existing rocks—whether igneous, sedimentary, or even older metamorphic...
Mineral Identification Chart for Beginners
Understanding how to identify minerals is one of the most essential skills in geology. Minerals form the building blocks of rocks, and learning to...