… (1) plutonic with slow cooling (2) plutonic with rapid cooling (3) volcanic with slow cooling (4) volcanic with rapid cooling . As magma cools, it begins to crystallise and form solid rock. — They have different grain sizes or textures. melting point of lotionpleasee help 1. Origin: Extrusive/Volcanic. Mineral Composition: Predominantly Glass. New questions in Science. What are the top 10 accidents in the world? Explanation: Hope it helps. Which type of muscle is voluntary the substance that will disolves what are male reproductive system? The same magma on Andesite and Diorite rapidly crystallizes on the Earth's surface and forms Andesite. • Cooling Rate: rapid, extrusive • Intrusive Equivalent: diorite or gabbro • Other Characteristics: vesicular, but denser and darker with larger vesicles Learn vocabulary, terms, and more with flashcards, games, and other study tools. 16. Lavas that cool extremely rapidly may have a glassy texture. Other Characteristics: vesicular like pumice, but denser and darker with larger vesicles. Grain Size & Cooling Rate. — They formed differently 10. The rate of cooling is proportional to the difference in temperature between the bodies in contact with heat flowing from the warmer body to the cooler body. — One is extrusive and one is intrusive. ... Diorite was used extensively by ancient civilizations for vases and other decorative artwork and is still used for art today (Figure below). — They cooled at different rates. Intrusive Equivalent: diorite or gabbro. Rate of cooling depends on where magma cools. GABBRO BASALT DIORITE ANDESITE (PORPHYRY) GRANITE RHYOLITE PUMICE OBS ID AN Cooling History/Texture Slow Cooling and Coarse Grained Fast Cooling and Fine Grained Very Fast Cooling and Glassy/Cellular Mafic and Dark Color Felsic The video below is a clip of crystals forming in solution. — One forms from cooling magma, and one forms from cooling lava. Diorite is plutonic and andesite is volcanic. What is the origin and rate of formation of this rock? The differences between Andesite and Diorite are in their grain size and their cooling rate. Diorite produced coarse grain sizes from slow cooling. Cooling rate and gas content create other textures (see Figure below for examples of different textures). Crystals in magma grow in a similar way as the melt cools. Cooling Rate: rapid, extrusive,fast. Which rock is sedimentary in origin and formed as a result of chemical processes? Cooling Rate: rapid, extrusive. Most bodies of magma rising to the surface get emplaced (stuck) inside the earth ’ s crust. Compositions range from rocks rich in the framework silicates quartz and potasium feldspar, to those rich in minerals containing magnesium and iron (olivines and pyroxines). In the simplest terms, … Igneous rocks are made up of several different mineral crystals that grow within the melt as it cools. 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