Opens in a new tab
Geoscopy
Geology, explained.
Generic selectors
Exact matches only
Search in title
Search in content
Post Type Selectors

Rocks

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

Sort by

Filter - Radio

The Geologic Time Scale, Explained: Eons, Eras, Periods, etc.

Introduction

On a fine day in June 1788, three men rowed...

September 15, 2026

  • Paleontology
  • Petrology

Geology, Explained: How Earth Works, from Rocks to Deep Time

Introduction

If you’re new here, welcome to Geoscopy, a geology science-communication project dedicated...

August 30, 2026

  • Geochemistry
  • Geohazards
  • Geomorphology
  • Geophysics
  • Paleontology
  • Petrology

The Ocean Inside the Earth: Water in the Mantle

Introduction

In a laboratory in Vienna, in the spring of 2009,...

July 21, 2026

  • Mineralogy
  • Petrology

How Diamonds Reach Earth in Explosive Eruptions

Introduction

The ground gave almost no warning. Somewhere beneath what would...

June 7, 2026

  • Petrology

Why Lava Cracks Into Hexagons: Columnar Basalt Explained

Introduction

Some patterns in nature look too deliberate to be accidental. The hexagonal...

June 4, 2026

  • Petrology

The Great Unconformity: How a Billion Years of Earth’s History Went Missing

A new thermochronology study from the North China Craton argues that supercontinent tectonics, not...

May 13, 2026

  • Geomorphology
  • Geophysics
  • Petrology

Discover Namibia’s Majestic Dunes and Ancient Desert

Namibia is the second-least densely populated country in the world is also one of...

April 24, 2024

  • Petrology

join.me

Geology made clear, in your inbox.

Get clear, visual explainers on rocks, minerals, deep time, and the most fascinating parts of Earth science from Geoscopy.