This quiz will test your knowledge about the three main types of rocks: igneous, sedimentary, and metamorphic. Each question in our quiz is designed to help you learn interesting facts about how these rocks are formed and where you can find them. For example, did you know some rocks come ...
(3) Imagine two rocks, both composed only of minerals A & B in the diagram above. One rock has 90% A and 10% B, and the other rock has 10% A and 90% B. Which of the following is NOT a true statement about small percentage partial melts formed from these two rocks? (circle ...
Rocks and Minerals Questions and Answers - Practice questions, MCQs, PYQs, NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions, and PDF Questions with answers, solutions, explanations, NCERT reference, and difficulty
Rocks: Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. Minerals: Information about ore minerals, gem materials and rock-forming minerals. Volcanoes: Articles about volcanoes, volcanic hazards and eruptions past and present. Gemstones: Colorful images and articles about diam...
Know in detail the igneous rocks concept and igneous rocks questions at BYJU’S - The Learning App.
Metamorphic rocks are formed from existing rocks that undergo changes due to heat, pressure, or chemical reactions. These changes occur deep within the Earth's crust, causing the minerals in the rock to recrystallize and form new textures and structures. This process can result in the formation ...
Like tree roots breaking up a sidewalk, the growing crystals exert pressure on the rock and eventually pry the rock apart along planes of weakness, such as banding in metamorphic rocks, bedding in sedimentary rocks, or preexisting or incipient fractions, and along boundaries between individual ...
False25.Sedimentary rocks are clasifiedin 3 different categories. They are:a.Dormant/Active/Extinct b. Hard/Soft/Smoothc. Clastic/Chemical/biochemical26.Metamorphic rocks are formed by being exposed to very low temperatures.a.trueb. false27.All of the following are examples of metamorphic rocks ...
rocksalt rocksalt Whichtable shows rockscorrectly classified studentobtains quartzsand from saltwatersolution mineralresidue from saltwatersolution cements sandgrains together, forming mostsimilar extrusiveigneous rock clasticsedimentary rock intrusiveigneous rock foliatedmetamorphic rock Mostrock gypsum previously...
Intra-oceanic arc rocks include predominant basalts, and subordinate andesites and dacites, and some peculiar rocks such as high-Mg andesites and adakites (Kelemen et al., 2003). Basalts in the intra-oceanic arcs are mainly tholeiitic and calc-alkaline basalts, although minor shoshonitic basalts...