This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the basic difference between the Archean and the Proterozoic? What will be an ideal ... (Read 72 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
on: Jul 15, 2018
What is the basic difference between the Archean and the Proterozoic? What will be an ideal response?

Question 2

What are the three main rock types that characterize Archean shield areas? What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

potomatos

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 15, 2018
Answer to Question 1

The Archean was much hotter, so crustal evolution was different.

Answer to Question 2

Granite, gneiss, and greenstone belts.


mynx

  • Member
  • Posts: 555
Reply 2 on: Jul 15, 2018
Gracias!

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

The Number of Children Americans Think Are Ideal The Number of Children Americans Think Are Ideal
What are examples of ideal forms? What are examples of ideal forms?
All computer systems perform four basic functions: input, processing, storage, and output. All computer systems perform four basic functions: input, processing, storage, and output.
Basic effleurage distal to proximal as a transition technique. Apply first to the upper thigh and ... Basic effleurage distal to proximal as a transition technique. Apply first to the upper thigh and ...
Difference-Between-Carbohydrates-and-Lipids-infographic Difference-Between-Carbohydrates-and-Lipids-infographic
Resting Membrane Potential: Voltage Difference Resting Membrane Potential: Voltage Difference
Video: Hormonal regulation of pregnancy - weeks 2 through 38

For a complete list of videos, visit our video library