Geology
Dig deeper into geology by learning about everything from ancient fossils and rock formation, to present-day landslides and earthquakes.
Alphabetical List of Precious and Semiprecious Gemstones
How Geysers Work
Guide to Identifying Yellow Minerals
9 Common Green Rocks and Minerals
Identifying Black Minerals and Rocks
10 Steps for Easy Mineral Identification
The Age of the Ocean Floor
The Danakil Depression: The Hottest Place on Earth
6 Fascinating Facts About the Earth's Mantle
How to Identify 11 Red and Pink Minerals
Uranium-Lead Dating
11 Different Types of Holes in Rocks
The Birth of Earth
Orogeny: How Mountains Form Through Plate Tectonics
What Are Minerals?
Top 25 U.S. Colleges for a Geology Ph.D.
What Is Biological or Organic Weathering of Rocks?
All About Plutonic Rocks
Geology, Earth Science and Geoscience: What's the Difference?
What Is a Pluton?
How to Use a Rock Hammer Safely
The 12 Most Common Violet, Purple, and Blue Minerals
How to Abbreviate Millions of Years Old
Quick Sediment Testing: Particle Size
Fossils: What They Are, How They Form, How They Survive
Mechanical Weathering Through Physical Processes
Definition and Examples of Mineral Habits
How Index Fossils Help Define Geologic Time
Gallery of Feldspars
A Fossil Picture Gallery
Potassium-Argon Dating Methods
What Are Dikes and How Do They Form?
What Is Erosion and How Does It Shape the Earth's Surface?
The Pyroxene Minerals
Guide to Phosphate Minerals
The Bre-X Gold Scandal
8 Best Geology Apps for iPhones, iPads and Androids
Gallery of Slickensides
How to Distinguish Brown Minerals
Geological Thinking: Method of Multiple Working Hypotheses
Geologic Time Scale: Eons, Eras, and Periods
What Is the Most Common Mineral?
What Is Chemical Weathering?
A Visit to Sharktooth Hill
Zealandia: The Drowned Continent of the South
Sand, Silt, and Clay Soil Classification Diagram
The Geology of Bricks
The Bowen Reaction Series in Geology
All About Sediment Grain Size
What Is the Acid Test in Geology?
Exploring Deep-ocean Trenches
What is Geological Strain?
10 Shiny Minerals With Metallic Luster
Epeirogeny: Understanding Vertical Continental Drift
Picking the Right Rock Hammer
Examples of Different Mineral Lusters
Steno's Laws or Principles
Coal in the Home
Before You Buy a Magnifier
Carbonate Compensation Depth (CCD)
A Look at South American Geology