Introduction

In the summer of 1996, on a sandy military reservation...

Introduction

You hear it before you see it. A faint crystalline...

In April 2000, two brothers drilling a tunnel 300 metres beneath a Mexican mountain...

A Diamond Anvil in Guangzhou

At the State Key Laboratory of Deep Earth...

Introduction

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

Introduction

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

Introduction

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

A Field Tradition That Looks Weirder Than It Is

Yes, geologists really do...

Introduction

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

Introduction

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

Introduction

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

Introduction

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