Metamorphism
The mineralogical, chemical, and structural adjustment of solid rocks to physical and chemical conditions which have generally been imposed at…
Geology Online Quizzes Questions and Answers
Geology online Quizzes questions and answers. Free online quiz with multiple-choice questions (MCQ) without registration. Geology Multiple…
Mineral
Minerals are homogeneous, naturally occurring, inorganic solids that have a definite crystalline structure and chemical composition. In 1995,…
What is an Unconformity in Geology
An unconformity is a surface of erosion or non-deposition that separates two rock units that have different ages. It represents a time gap in…
Volcano
What is Volcano I heard about the volcano before 🤔??….We all see volcanoes in movies and news, but did you ask yourself why or how do they…
Geology 101
Geology 101 is the study of the Earth and its materials, structures, processes, and history. It is a broad field that encompasses many…
What are Rare Earth Elements and why are they important?
What are Rare Earths? The Japanese call them “the seeds of technology.” The US Department of Energy calls them “technology…
Geological Time Scale
Geological Time Scale The geological time scale is a system of chronological measurement that relates geological events and geological time to…
Kimberlite
🔷Kimberlites, named after the town of Kimberly, South Africa, where they were first described, are volcanic rocks that originate in Earth’s…
What is Cinnabar
✳️Cinnabar is a toxic mercury sulfide mineral with a chemical composition of HgS. 🔷It is the only important ore of mercury. It has a bright…