地球の外観

【Learn by illustration!】Differences between continental and oceanic crust

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Chi-ga kun
Chi-ga kun
Hakase! I learned that there are two types of crust, continental crust and oceanic crust, what is the difference between them?
Hakase
Hakase
Well, good question.
In this article, I will illustrate the difference between continental crust and oceanic crust.

The outermost layer of the Earth’s structure, the crust.
There are two types of crust with different characteristics: continental crust and oceanic crust.

What are the differences between them?
Let’s learn about the differences between continental crust and oceanic crust with the guinea pigs in this article!

Contents
  1. Characteristics of the continental crust
  2. Characteristics of the oceanic crust
  3. Summerly

Characteristics of the continental crust

Hakase
Hakase
Let’s start with the characteristics of the continental crust.
The continental crust is 30-50 km thick.
Chi-ga kun
Chi-ga kun
So it’s a two-layer structure with the upper layer consisting of granitic layers and the lower of basaltic layers!

Characteristics of the oceanic crust

Hakase
Hakase
Next is the oceanic crust.
The oceanic crust is 5-10 km thick.
Chi-ga kun
Chi-ga kun
So it’s mainly made up of basaltic layers!
Hakase
Hakase
That’s right. This is a one-layer structure, different from the continental crust.
This layer is connected to the lower basaltic layer mentioned earlier in the continental crust!
Chi-ga kun
Chi-ga kun
I see!

Summerly

Hakase
Hakase
So, here’s a summary of these features and their locations.
Chi-ga kun
Chi-ga kun
The location is so obvious! This makes the difference so clear, I’m sure I won’t forget it!
Hakase
Hakase
Seeing is believing, as they say.
If you get stuck on a text in a textbook, the best thing to do is to look at the illustrations.
That is why I will continue to make illustrations!
Chi-ga kun
Chi-ga kun
Hakase! Thank you for your teaching today!

Thank you for reading to the end!

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