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The Earth’s Layers

What are the major layers of the Earth? The Earth is...

What was the Precambrian?

Precambrian is the oldest part of the history of the Earth, founded before the present Phanerozoic...

Age of the Earth and Earth’s Oldest Rock

How old is the Earth? Thanks to meteorites from space, rocks brought back...

Field Geology Maps Questions and Answers

Topographic map
What is a topographic map? A topographic map (also called a...

Why is the world so cold when it’s closest to the...

This is definitely a question that would be asked by someone in the Northern Hemisphere, since...

Who are the famous geologists in history?

James Hutton
Geology is a science of earth. There are many geoscientists from past to present. These people have made great contributions to today's...

What elements are found in the Earth’s atmosphere?

The Earth's atmosphere is composed of about 77 percent nitrogen, 21 percent oxygen, and traces of...

Who was Georgius Agricola?

Georgius Agricola (Georg Bauer, 1494-1555) was a German scientist who is also thought of by many...

How old is the science of geology?

Although the science of geology as we know it today is a relatively young field, insightful observations of Earth processes were...

What are some subdivisions of geology?

Geology is a vast field, stretching from paleontology to mineralogy. It is easy to see why, since there are so many features...

What is Geology?

Sandstone Geology at Clashach Cove
Geology is the study of the Earth. Like so many scientific words, "geology" is constructed from root words dating back to ancient times: geo comes from the Creek word meaning "the Earth"; it is a prefix used in other related fields, too, such as geography, geodesy, and geophysics. The alogy suffix comes from the Creek logos, meaning "discussion," and is roughly translated as "the study of."