What's the difference between an ore mineral and other minerals and between an ore and other kinds of rock?

Short Answer

Expert verified
The difference between ore minerals and other minerals lies in their economic value and use. Ore minerals, such as native copper and magnetite, contain valuable substances that can be extracted, making them crucial resources for industries and technologies. In contrast, other minerals, such as quartz and feldspar, do not contain significant quantities of valuable substances and are not economically viable for extraction. Similarly, the primary difference between ore and other kinds of rocks is the presence and amount of economically valuable substances. Ores contain mineral deposits with sufficient concentrations of these substances for extraction, while other rocks, like sandstone and granite, do not and serve other non-extraction-related purposes.

Step by step solution

01

Define ore mineral

An ore mineral is a naturally occurring mineral from which a valuable, economically viable substance can be extracted. These substances are typically metals, but they can also be non-metallic elements or compounds. Examples of ore minerals include native copper (Cu), magnetite (Fe₃O₄), and chalcopyrite (CuFeS₂).
02

Define other minerals

Other minerals are the naturally occurring minerals that are not considered economically valuable for extraction. These minerals may have industrial or commercial uses, or they may simply be present as constituents of the Earth's crust. Examples of other minerals include quartz (SiO₂), feldspar (KAlSi₃O₈), and mica (KAl₃Si₃O₁₀(OH)₂).
03

Compare ore minerals and other minerals

The difference between ore minerals and other minerals lies primarily in their economic value and use. Ore minerals are those that can be extracted for valuable substances, making them crucial resources for industries and technologies. In contrast, other minerals do not contain significant quantities of valuable substances and thus are not considered economically viable for extraction.
04

Define ore

An ore is a type of rock that contains sufficient amounts of ore minerals, warranting extraction of their valuable substance. These ores are often found in the Earth's crust as deposits formed through geological processes, such as magmatism, hydrothermal activity, and sedimentation.
05

Define other kinds of rocks

Other rocks are those that do not contain economically viable amounts of valuable substances. These rocks form the majority of the Earth’s crust and may be classified into various types based on factors such as mineral composition, texture, and formation process. Examples of other rocks include sandstone (clastic sedimentary rock), granite (intrusive igneous rock), and marble (metamorphic rock).
06

Compare ore and other kinds of rocks

The primary difference between ore and other kinds of rocks is the presence and amount of economically valuable substances. An ore contains mineral deposits with sufficient concentrations of these substances, making it viable for extraction purposes. In contrast, other rocks do not contain enough of the valuable substances to justify extraction, and their primary importance lies in structural and decorative uses, soil formation, and other non-extraction-related purposes.

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Most popular questions from this chapter

An ore deposit at a location in Arizona has the following characteristics: One portion of the ore deposit is an intrusive igneous rock in which tiny grains of copper sulfide minerals are dispersed among the other minerals of the rock. Another nearby portion of the ore deposit consists of limestone in which malachite fills cavities and pores in the rock. What types of ores are these? Describe the geologic history that led to the formation of these deposits.

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The costs of mining can be immense. To get a rough sense of this expense, imagine that an ore deposit of a certain metal contains $$0.6 \%$$ grade ore. This means that \(0.6 \%\) by weight of a block of ore consists of the metal. On the open market, the pure metal sells for $$\$ 8,000 /$$ ton. It costs $$\$ 15 /$$ ton to mine the ore, $$\$ 15 /$$ ton to transport the ore to the processing plant, and $$\$ 15 /$$ ton to process the ore and produce pure metal. Start-up costs (building the mine and building the processing factory) are about $$\$ 100$$ million. How much profit does the company make when it sells a ton of metal? How much ore (in tons) does the operation have to mine to pay back the start-up costs? Considering that a giant dump truck in a mine can carry 200 tons of ore at a time, how many dump-truck loads will have been transported at the break-even point? If the mine has eight trucks that can each make six loads a day, about how many years will it take to break even?

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How is the formation of certain types of ore minerals associated with igneous activity?

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