Q.1 Answer the following questions:
a) Define Minerals
b) Define Mineralogy
c) Define Ores
d) Name three types of rocks
e) How Igneous Rocks are formed?
f) Why Igneous Rocks are called Primary Rocks?
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Answers
Explanation:
a) A natural substance such as coal, salt, oil, etc. especially one that is found in the ground. Some minerals are also present in food and drink and are very important for good health.
b) the scientific study of minerals.
c) rock or earth from which metal can be taken.
d) The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. Together, all these particles are called sediment.
e) In essence, igneous rocks are formed through the cooling and solidification of magma ( or lava). As hot, molten rock rises to the surface, it undergoes changes in temperature and pressure that cause it to cool, solidify, and crystallize.
f) Igneous rocks are called primary rocks because they begin the rock cycle. Igneous rocks rocks are referred to as the primary rocks, because they represent the rocks which directly or indirectly provided materials for the formation of other types of rocks.
hope it helps you....
Answer:
a) A natural substance such as coal, salt, oil, etc. especially one that is found in the ground. Some minerals are also present in food and drink and are very important for good health.
b) the scientific study of minerals.
c) rock or earth from which metal can be taken.
d) The three main types, or classes, of rock are sedimentary, metamorphic, and igneous and the differences among them have to do with how they are formed. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material. Together, all these particles are called sediment.
e) In essence, igneous rocks are formed through the cooling and solidification of magma ( or lava). As hot, molten rock rises to the surface, it undergoes changes in temperature and pressure that cause it to cool, solidify, and crystallize.
f) Igneous rocks are called primary rocks because they begin the rock cycle. Igneous rocks rocks are referred to as the primary rocks, because they represent the rocks which directly or indirectly provided materials for the formation of other types of rocks.
hope it helps you....