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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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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

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
Dark black biotite mica mineral specimen

Biotite

Biotite is a dark mica mineral used in insulation and geological studies.

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