These three igneous rocks pretty much have the same chemistry and mineralogy. The are all black or very dark grey. The main difference between them is the grain size. Basalt is fine grained and Gabbro is course grained. This is ...
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Geology MCQs (Multiple Choice Questions) online are a great resource for students and professionals to test their knowledge and understanding of various geological concepts. These MCQs cover a wide range of topics in geology such as plate tectonics, rock formation, ...
What is VMS? Assemblages of mostly sulfide minerals that develop on the seafloor at locations of concentrated hydrothermal discharge, relates to a kind of ore deposit that’s mined from existing oceanic crust formed underwater are Volcanogenic Massive Sulfides (VMS) Deposit. ...
Explore a comprehensive collection of Mining Geology Multiple Choice Questions (MCQs) for a thorough understanding of geological concepts in the mining industry. Test your knowledge and enhance your expertise with this curated set of questions, designed to cover key topics ...
Looking for an engaging and educational geology quizzes? Test your knowledge and expand your understanding of the Earth’s composition, rocks, minerals, and geological processes with our interactive geology quiz. Challenge yourself and see how much you know about geology. Start ...
Geology is the study of the composition of the Earth’s surface and under it and the events that have shaped it. It also includes methods for determining the absolute and relative ages of rocks discovered in a certain place and ...
Geology is the scientific study of the Earth, including its composition, structure, processes, and history. This fascinating field encompasses a wide range of disciplines, including mineralogy, paleontology, seismology, and more. Geology trivia questions are a great way to test your ...
Geology online Quizzes questions and answers. Free online quiz with multiple-choice questions (MCQ) without registration. Geology Multiple Choice Questions geology questions and answers | geology questions for competitive exams | geology exam questions. Geology quiz questions and answers.geology quizes. Geology ...
Geology 101 is the study of the Earth and its materials, structures, processes, and history. It is a broad field that encompasses many different disciplines, including mineralogy, petrology, paleontology, and geophysics. Geologists study the Earth’s physical features, including its rocks, ...
An ophiolite is a section of oceanic crust and upper mantle that has been uplifted and exposed above sea level due to tectonic processes. Ophiolites are important geological features because they provide a window into the Earth’s interior and allow ...
Poly-metallic vein deposits are geological formations that contain multiple metals in economically viable concentrations. These deposits play a crucial role in the global mining industry, contributing to the extraction of various valuable metals. Understanding the formation, characteristics, and extraction methods ...
What is geology definition? Geology is the scientific study of the Earth, its rocks, minerals, and the processes that shape it. It is a branch of Earth science that focuses on understanding the Earth’s history, structure, and the processes that ...
The law of superposition is a fundamental principle in geology and archaeology that states that in a sequence of undisturbed sedimentary rocks or archaeological layers, the oldest layers are at the bottom, and the youngest layers are at the top. ...
Mohs hardness scale The Mohs hardness scale is a qualitative scale used to measure the scratch resistance of various minerals or materials. It was developed by Friedrich Mohs, a German mineralogist, in 1812. The scale ranges from 1 to 10, ...
Rock Quality Designation (RQD) is a measure used in geotechnical engineering to assess the quality of rock core samples. It is calculated by measuring the length of intact pieces of rock in a core sample that are longer than 10 ...
Epithermal systems are geological settings where gold mineralization is associated with volcanic activity. These systems are characterized by the following features: Epithermal gold deposits can vary widely in terms of their size and grade, ranging from small, high-grade veins to ...
Andesite: A Comprehensive Guide Andesite, derived from the Andes Mountains in South America, is an igneous rock that holds a significant place in the geological world. Its composition, formation, and various uses make it a fascinating subject for study. In ...
Geologic strata, also known as rock layers or rock formations, are the result of the sedimentation, deposition, and cementation of minerals, rocks, and other Earth materials over millions of years. These strata provide a window into Earth’s geological history, revealing ...