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 65 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
:D TYSM

daiying98

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Structure and basic function of a typical vertebrate neuron and associated glial cells. Structure and basic function of a typical vertebrate neuron and associated glial cells.
The basic unit of life - cell The basic unit of life - cell
Cultures Ideal Body Types Cultures Ideal Body Types
Basic bone anatomy. Basic bone anatomy.
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 ...
Resting Membrane Potential: Voltage Difference Resting Membrane Potential: Voltage Difference
Video: Mendel's Pea Experiment

For a complete list of videos, visit our video library