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Geophysics
- A Very Short Introduction
- Narrated by: Patrick Lawlor
- Length: 4 hrs and 25 mins
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Geophysics
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Summary
In this Very Short Introduction, William Lowrie describes the internal and external processes that affect the planet, as well as the principles and methods of geophysics used to investigate them. He explains how analysis of the seismic waves produced in earthquakes reveals the internal structure of the Earth.
Geophysicists have established that the greatest source of energy powering geological processes is the Earth's internal heat. Deep inside the Earth, the temperature is high enough to produce a fluid outer core of molten iron. It is the motion in this molten iron layer that produces the Earth's magnetic field, which shields the planet against harmful radiation from the Sun and outer space, and thus makes the planet habitable.
Lowrie describes how the magnetic field also magnetizes rocks during their formation, leaving a permanent record of the ancient field and its direction that geophysicists have learned to use to interpret past motions of the continents and tectonic plates.
From analyses of Earth's deepest interior to measurements made from Earth-orbiting satellites, Lowrie shows how geophysical exploration is vitally important in the search for mineral resources and emphasizes our need to understand the history of our planet and the processes that govern its continuing evolution.
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What listeners say about Geophysics
Average customer ratingsReviews - Please select the tabs below to change the source of reviews.
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Overall5 out of 5 stars
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Performance5 out of 5 stars
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Story5 out of 5 stars
- Tom O'Rourke
- 19-10-21
Excellent
Insightful and educational resources from the University of life experience, understanding and observation along side the polimathic stream of consciousness studies in a lifelong learning environment. Beautiful
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Overall3 out of 5 stars
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Performance5 out of 5 stars
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Story3 out of 5 stars
- River
- 26-10-20
Good book but I had to fact check it
So somewhere in early chapter 2 he says Pluto is not a planet because of it’s small size. That’s not true, according to NASA’s website it is because Pluto does not clear is neighborhood around it’s orbit.
The integrity of of non-fiction books is based on being peer-reviewed and actuate at all times or else the general public begins to question all science. Fallacies like this bug me because now it’s information someone can credible cite despite its inaccuracies.
Otherwise to my knowledge everything else was correct (I hope anyway since I listened to this with the intention of increasing my geophysical knowledge) so 3 stars.
5 starts for performance tho.
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3 people found this helpful
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Overall5 out of 5 stars
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Performance5 out of 5 stars
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Story5 out of 5 stars
- Kiaf
- 09-06-23
knowing earth properties
Excellent narration. In a short burst of information, you understand the mechanics; fluids, solids, fields, and some more. Worth reading more than once.
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Overall5 out of 5 stars
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Performance5 out of 5 stars
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Story5 out of 5 stars
- Scott Richey
- 26-01-21
This book was very useful!
I used this book to stretch my knowledge base. I love listening to books even when they contain information from experts that I don't have experience with.
I recommend this book. 😊
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