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Permeable objects are those that contain small holes because they allow water or liquid to pass through. Gas can also go through permeable rocks. When these rocks are located in rivers, they will most likely stay fixed in their position because the water can flow through them. Most rocks do not...Read More
Rock salt, also known as Halite in the industry, is a mineral formed from Sodium Chloride (NaCl). It is mostly white in color or can be colorless. Rock salt is also found in some other colors like light blue, dark blue, purple, pink, yellow, or gray totally depending upon the amount and type of...Read More
The answer to this question is C. The sedimentary rock is known as a type of rock that may have been formed because of the accumulation of different particles in one place. For example, there are different organic particles that can be found on the ocean floor. They may all form together in...Read More
Limestone is any limestone made mostly from calcium carbonate in the form of the minerals calcinate or alginate, that contains an abundance of apparently visible fossils or fossil traces. This rock may take on several different shapes. The fossil fragments are typically corals and foraminifera,...Read More
Obsidian is igneous rock that forms when specific rock material cools so abruptly that atoms cannot arrange themselves into a crystalline structure. Obsidian is usually an extrusive rock that solidifies above the earth's surface. It can form in a plethora of cooling environments. Obsidian is...Read More
Rhyolite is an igneous rock. It can also be considered as the extrusive equivalent to the plutonic granite rock, and consequently, broken rhyolite may bear a same resemblance as granite. Due to the high concentration of silica and low iron and magnesium contents, rhyolite melts are highly...Read More
The correct answer to this question is B, metamorphic rock. Migmatites are rocks as well. They are a mixture of metamorphic and igneous rocks. It is created when the rock partially melts. Those melts then recrystallize into volcanic rock.
When this occurs, the unmelted metamorphic part an...Read More