A Mineral World

Minerals are indispensable components of our daily lives, sought after for their importance in natural and industrial processes, as well as their aesthetic appeal. There have long been established theories on mineral formation mechanisms, but many questions remain unanswered, and evidence suggests that our traditional view of crystallization is too simplistic. In recent decades, there has been a renaissance in this field, with new studies shedding light on the underlying physical processes. This introductory chapter aims to provide readers with a concise overview of the intricate world of mineral crystallization and its relevance in various research fields, including biomineralization, geochemistry, and industrial applications.

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December 2025 --The Variscan Orogeny in Europe – Understanding Supercontinent Formation

The Variscan orogen formed between 380 and 300 million years ago through several accretionary and collisional cycles, culminating with the construction of the Pangea supercontinent. This process occurred via sequential opening and closure of oceanic basins, synchronous detachment of Gondwana derived continental ribbons, and their outboard amalgamation onto the Laurussia margin. The Variscan orogen is rather unique compared with other orogenic belts on Earth: its overthickened and dominantly magmatic crust in the central belt, surprisingly minor mantle involvement in the magmatic and geodynamic processes, coherent and pulsed magmatism along the collision suture, and its complex accretionary history. Because its final product, Pangea, is the youngest and best-understood supercontinent on Earth, the Variscan orogeny offers clues for understanding the mechanisms of supercontinent formation.