How to Identify a Meteorite: 7 Tests You Can Do at...

You find an unusually heavy, dark-colored rock in your backyard, in a field, or while hiking. The moment you pick it up, one question...

Trapiche Sapphire

When people see a six-rayed pattern inside a sapphire, the first thing that usually comes to mind is a star sapphire. But the pattern...

Trapiche Emerald

Emerald is already one of the most recognizable gemstones in the world, but some emeralds look unlike anything most people expect to see. Inside...

Maxixe Beryl

Star Ruby

Star Sapphire

GEOLOGICAL WONDERS

The Lena Pillars, Russia

The Lena Pillars are a natural rock formation along the banks of the Lena River in the Sakha Republic (Yakutia), Russia. This geological formation...

Chiricahua National Monument, Arizona, USA

Chiricahua National Monument is located in southeastern Arizona, USA. It is part of the Chiricahua Mountains, which are a range in the Coronado National...

The Apostle Islands Sea Caves, USA

The Apostle Islands Sea Caves are a natural wonder located along the shores of Lake Superior in northern Wisconsin, USA. The caves are part...

gemstoneS

ROCKS

Minerals

ListS

10 Places That Look Like Other Planets

Earth is generally referred to as the Blue Planet, but within its familiar landscapes there are places so alien that they can easily be...

10 Places Where Fossils Tell Ancient Stories

Fossils are more than ancient remains—they are windows into vanished worlds. Each fossil preserves a moment in time, capturing organisms that lived millions of...

10 Rock Landscapes That Look Like Art

Nature has been shaping the Earth's surface for billions of years. However, this shaping is not random, chaotic or unplanned. On the contrary; factors...

ORE MINERALS

Braches of Geology

Natural Resources

Natural resources are elements, substances, or features found in the environment that are utilized by living organisms, particularly humans, to satisfy their needs and...

Plate Tectonics: How Earth’s Moving Plates Shape Continents, Mountains, and Oceans

The theory of plate tectonics is the unifying framework of modern geology.It explains how the Earth’s rigid outer shell — the lithosphere — is...

Unconformities

An unconformity is contact between two rock units.Unconformities are typically buried erosional surfaces that can represent a break in the geologic record of hundreds of millions of years or more. It it called an unconformity because the ages of the layers of rock that are abutting each other are discontinuous at the unconformity. An expected age of layer or layers of rock is/are missing due to the erosion; and, some period in geologic time is not represented.

Geology Fundamentals

Rock Identification Guide: How to Identify Rocks Like a Geologist

You are walking along a beach, through the mountains, in your backyard, or beside a road when you notice an unusual rock. Maybe it...