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Rocks

An atlas of rocks and minerals: each one a record of the conditions that made it.

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May 10, 2026

  • Geohazards
  • Geophysics

Campi Flegrei: Roman Columns, Bradyseism, and the Volcano Under Pozzuoli

Introduction

Imagine the Macellum of Puteoli in the third century AD: a food...

May 9, 2026

Are Diamonds Made From Coal? No. Here’s How They Form

Introduction

An uncut octahedral diamond from South Africa. The eight-sided shape reflects diamond’s...

May 3, 2026

  • Mineralogy

The Ultimate Guide to Understanding Fordite

Introduction

In the heart of the 20th century, the American Midwest was...

February 11, 2026

  • Mineralogy

How AI is Reading Micro-Seismicity to Forecast Earthquakes and Eruptions

Introduction

Earthquakes and volcanic eruptions claim thousands of lives each year. These disasters...

January 31, 2026

  • Geohazards

Rock Identification for Beginners: A Guide with Pictures

Introduction

A simple field-tested method for telling igneous, sedimentary and metamorphic rocks...

December 2, 2025

  • Mineralogy

Do Geologists Really Lick Rocks? Why, and When Not To

A Field Tradition That Looks Weirder Than It Is

Yes, geologists really do...

November 26, 2025

  • Mineralogy

Beyond Diamonds: 10 Alternative Engagement Ring Stones (A Geologist’s Guide)

Introduction

In the U.S., diamonds account for 92% of gemstone sales by value....

November 25, 2025

  • Mineralogy

Debunking Common Geology Myths (What TikTok Gets Wrong & Right)

Introduction

Scrolling through geology TikToks and Insta reels is a bit like a...

November 24, 2025

  • Geohazards
  • Geomorphology
  • Geophysics
  • Volcanology

Field Geology for Beginners: Gear, Skills, Best Field Guides

Introduction

Field geology – the art of studying rocks and landscapes in their...

November 24, 2025

  • Geomorphology
  • Mineralogy

How to Become a Geology Communicator Online

Before any advice, the numbers. I run Geoscopy. The Instagram account is at around...

November 24, 2025

How Fossils Form: The Science of Ancient Life

Introduction

When a living creature turns into a fossil, it’s a tag-team effort...

May 17, 2024

  • Geochemistry

Discover How Caves Form and Their Scientific Importance

Introduction

Caves are naturally occurring voids or systems of voids beneath the surface...

May 17, 2024

  • Mineralogy

How Rivers Shape Earth’s Dynamic Landscapes

Most geology runs at speeds you can’t perceive in a lifetime. Rivers are the...

May 17, 2024

  • Glaciology

What Is the Most Active Volcano in the World? (2026 List)

Introduction

Around forty-five volcanoes are erupting somewhere on Earth right now. A dozen...

April 26, 2024

  • Volcanology

Earth’s Magnetic Field and Reversals Explained

Introduction

The Earth’s magnetic field, also known as the geomagnetic field, is a...

April 26, 2024

  • Geomorphology

Unsung Minerals Powering Modern Technology

Introduction

In the vast realm of geology, minerals not only contribute to the...

April 26, 2024

  • Mineralogy

Acid Rain Effects on Geological Formations and Other

Introduction

Acid rain is a significant environmental issue that impacts both the natural...

April 26, 2024

  • Geophysics

Active Worlds: New Discoveries in Planetary Geology

Introduction

Planetary geology has advanced rapidly over the past decade, with new missions...

April 26, 2024

  • Geohazards

Understanding Geothermal Energy Basics

Introduction

Understanding Geothermal Energy

Geothermal energy originates from the radioactive decay of...

April 26, 2024

  • Geochemistry

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