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.
Rock Forming Minerals
Rock-forming minerals are minerals that are commonly found in the Earth's crust and are responsible for the formation of various types of rocks. These...
What is Geology
Geology is the study of the Earth. Like so many scientific words, "geology" is constructed from root words dating back to ancient times: geo comes from the Creek word meaning "the Earth"; it is a prefix used in other related fields, too, such as geography, geodesy, and geophysics. The alogy suffix comes from the Creek logos, meaning "discussion," and is roughly translated as "the study of."
The Ice Age
The Ice Age, also known as the Pleistocene Epoch, was a period of geological time that lasted from about 2.6 million years ago to...
Why is the world so cold when it’s closest to the...
This is definitely a question that would be asked by someone in the Northern Hemisphere, since January in the Southern Hemisphere is definitely...
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...
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...
Oceanic Trenches
Oceanic trenches are long, narrow depressions or deep valleys that occur in the Earth's oceanic crust. They are the deepest parts of the world's...
Mountain Building (Orogenesis)
Mountain building, also known as orogenesis, is a geological process that involves the formation and uplift of large, elevated landforms, known as mountains. These...
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...
Economically Important Metal Concentrations in Earth’s Crust
The most valuable metal in the Earth's crust can vary depending on a number of factors such as current market demand, availability, and the cost of extraction. Precious metals, such as gold, platinum, and silver, have historically been highly valued due to their scarcity and unique properties, and are often associated with luxury items and financial instruments.
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...
Fulgurites
Fulgurites are fascinating natural formations created when lightning strikes sand or soil, melting it into glassy tubes or branching structures. The word "fulgurite" originates...