1. Minerals are naturally occurring, inorganic substances with a fixed crystal structure and a unique chemical composition. Step 2/5 2. Processing ore sometimes involves crushing or grinding minerals. Step 3/5 3. Prehistoric people used flint for knives and arrowheads. Step 4/5 4. The average American house contains about 400,000 pounds of ...
Study with Quizlet and memorize flashcards containing terms like Minerals are all naturally occurring solid substances with a definable chemical composition. They must also possess ., Two distinct minerals may have the same chemical formula., Minerals in geodes form spectacular euhedral crystals because and more.
This chapter covers mining and mining processes, machinery and methods used and how ore and waste rock travel within the mine complex. Mining projects generally involves extracting minerals from the ground and separating different minerals from each other. Extraction is typically carried out in an open pit or an underground mine while ...
In Chap. 2, the most important occurrences of the rare earths were chapter will deal with what happens when the rare earths have been mined. It answers the question: how are the ores processed? Mineral processing (sometimes called mineral dressing or ore dressing) is the preparation of ore from the stage that the material is brought out of the mine (also called "run of mine ...
Weegy: Minerals are naturally occurring, inorganic substances with a fixed crystal structure and a unique chemical composition. Score 1 User: Processing ore sometimes involves _____ or grinding minerals Weegy: Processing ore sometimes involves crushing or grinding minerals. Score 1 User: Prehistoric people used _____ for knives and arrowheads.
naturallyoccuring homogeneous inorganic substance that has a definite chemical composition. underground mining. used to extract the rocks, minerals, and other precious stones that can be found beneath the earth's surface. surface mining. used to extract ore minerals near the surface of the earth. sampling.
Two minerals that have the same chemical composition but a different crystal lattice structure. (page 109) The condition in which the shape of one part of an object is a mirror image of the other part. (page 113) A cavity in which euhedral crystals precipitate out of water solutions passing through a rock. (page 115)
Most of the highgrade hematite iron ores are typically subjected to simple dry processes of crushing and classification to meet the size specifications required for direct shipping ore (DSO). This involves multistages of crushing and screening to obtain lump (− + mm) and fines (approximately − mm) products.
Weegy: Minerals are naturally occurring, inorganic substances with a fixed crystal structure and a unique chemical : Processing ore sometimes involves _____ or grinding minerals Weegy: Processing ore sometimes involves crushing or grinding : Prehistoric people used _____ for knives and : Prehistoric people used Flint for knives and arrowheads.
Minerals are usually formed by inorganic processes. Synthetic equivalents of various minerals, such as emeralds and diamonds, are manufactured for commercial purposes. Although most minerals are chemical compounds, a small number (, sulfur, copper, gold) are elements. Minerals combine with each other to form rocks.
3 Major Processes of Mineral processing: The following are the major processing methods involved in ore dressing/ mineral processing: 1. Size reduction (Crushing,Grinding ) 2.
Weegy: Processing ore sometimes involves crushing or grinding minerals. User: Minerals are substances with a fixed crystal structure and a unique chemical composition Weegy: Minerals are naturally occurring, inorganic substances with a fixed crystal structure and a unique chemical composition.
Milling, sometimes also known as fine grinding, pulverising or comminution, is the process of reducing materials to a powder of fine or very fine size. It is distinct from crushing or granulation, which involves size reduction to a rock, pebble or grain size.
Weegy: Minerals are naturally occurring, inorganic substances with a fixed crystal structure and a unique chemical : processing ore sometimes involves Weegy: Processing ore sometimes involves crushing or grinding : What did prehistoric people use for knives and arrowheads Weegy: Prehistoric people used Flint for knives and arrowheads.
Processing ore sometimes involves _____ or grinding minerals. weegy; Answer; Search; More; Help; Account; Feed; Signup; ... Processing ore sometimes involves Crushing or grinding minerals. Expert answered|emdjay23|Points 174912| Log in for more information. Question. Asked 8/30/2019 12:03:22 AM. 0 Answers/Comments. This answer has been ...
Weegy: Minerals are naturally occurring, inorganic substances with a fixed crystal structure and a unique chemical composition. User: Processing ore sometimes involves _______ or grinding minerals. Weegy: Processing ore sometimes involves Crushing or grinding minerals. User: Prehistoric people used _______ for knives and arrowheads.
This regular arrangement gives minerals their characteristic shape and structure. 3. Unique chemical composition: Each mineral has a specific combination of elements. For example, quartz is composed of silicon and oxygen, while calcite is made up of calcium, carbon, and oxygen. This unique combination of elements distinguishes one mineral from ...
Minerals are naturally occurring, _____ substances with a fixed crystal structure and a unique chemical composition. Processing ore sometimes involves _____ or grinding minerals. Prehistoric people used _____ for knives and arrowheads. The average American house contains about _____ pounds of minerals. Early _____ used rocks as simple tools as early as million years ago
Minerals Minerals are defined as naturally occurring, inorganic, solids with a definite chemical composition and a regular, internal crystalline structure. The keys to this definition are the chemical composition and the crystalline structure. Different chemical compositions result in different minerals. A good example is the mineral plagioclase.
• The process of froth flotation involves crushing and grinding the ore to a fine size This separates the individual mineral particles from the waste rock and other mineral particles. The grinding is normally done in water with the resultant slurrycalled the pulp. • The pulp is processed in the flotation cells.
The objective of mineral processing is to liberate and separate the valuable minerals from the gangue. In order to separate the valuable minerals from the gangue, it is necessary to crush and/or grind the rocks to a size where they are partially or fully exposed, or "liberated". The process of crushing and grinding is referred to as ...
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