Geology
The study of general geology helps us understand the Earth's past and present, and can provide insights into future changes in the planet's landscape and environment.
Optical Properties of Minerals
Study of how light passes through thin sections – rock cut and polished to about 0.3 mm thickness
Use properties of light absorption and propogation through a mineral à affected by atomic arrangement and composition
Learn the properties of light associated with techniques governing the use of a petrographic microscope
The Ring of Fire
The Ring of Fire is a geographical region in the Pacific Ocean known for its high level of volcanic and seismic activity. It is...
How do geologists determine the age of rocks?
Geologists determine the age of rocks through a field of study known as geochronology, which involves various methods to quantify the timing of geological...
Field Geology Maps Questions and Answers
What is a topographic map?
A topographic map (also called a "tapa" map) is a field map that represents a scale model...
Formation of The Moon
The Moon, Earth's only natural satellite, has captivated human fascination for centuries and plays a crucial role in shaping our planet's dynamics.
Characteristics of...
Plate Tectonics
Plate tectonics is a scientific theory that explains the movements and behaviors of the Earth's lithosphere, which is composed of the crust and uppermost...
Mariana Trench
The Mariana Trench is the deepest known oceanic trench on Earth, located in the western Pacific Ocean. It reaches a maximum depth of about...
Landforms
Landforms are natural features that shape the Earth's surface. They are the result of various geological processes and can be found across the planet,...
Age of the Earth and Earth’s Oldest Rock
How old is the Earth?
Thanks to meteorites from space, rocks brought back by the Apollo astronauts from the Moon, and sundry other...
What elements are found in the Earth’s atmosphere?
The Earth's atmosphere is composed of about 77 percent nitrogen, 21 percent oxygen, and traces of argon, carbon dioxide, water, and other compounds...
What are the types of mountain
A mountain is a large natural elevation of the earth's surface that rises sharply from the surrounding land. Mountains are typically higher and steeper...
The Top 10 Most Valuable Minerals Found on Earth
Minerals are naturally occurring substances that are essential to our daily lives, from the technology we use to the buildings we live in. Some...