Geology

When was the ice age?

Geologists define an ice age as a period when sheets of ice cover the large portion of the continents. In other words, we can say that when cool temperatures remain for an extended period of time, the polar ice advances into lower latitudes, and eventually covers most of the northern hemisphere by sheets of ice. The …

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Formation of metamorphic rocks and types of metamorphism

Metamorphic consists of two Greek words ‘meta’ means change and ‘morphe’ mean form, hence metamorphic means change of form. When tectonic forces, pressures, stress, or temperature change the mineralogy and texture of the igneous or sedimentary rock, the newly formed rock is called metamorphic. Metamorphic rocks are Crestline and hard rock. How is a metamorphic …

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formation of Sedimentary rock, types of Sedimentary rock

Sedimentary rock: Introduction, formation, types, and Uses

What are the sedimentary rocks? sedimentary rocks are the most common rocks found on the surface of the earth. However, the distribution of sedimentary rocks in the Earth’s crust is only 5%. sedimentary rocks are formed by the weathering, transportation, and deposition of sediment, and lithification of sediment. sedimentary rocks are important as they contain …

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what is weathering?, types of weathering, physical weathering, chemical weathering, biological weathering

What is weathering? | and types of weathering

What is weathering? weathering is a slow continuous process that breakdown the rock, minerals, and artificial structure into smaller particle. these broken-down particles can be rocks, soil, stone, etc. the weathering can happen in two ways: mechanical or physical disintegration of rocks and chemical decomposition of rocks. sometimes biological factors involved in the process of …

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