Posted on May 23, 2024 (Updated on July 9, 2025)
Deciphering Crystal Habit in Weathered and Rounded Rocks: A Crystallographic Challenge
Geology & LandformDetermination of crystal habit in worn and rounded rocks When dealing with rocks that have been weathered and worn over time, determining the original crystal habit can be challenging. However, there are several techniques and approaches that can be used by the experienced crystallographer or geoscientist to infer the underlying crystal structure. One of the
Posted on May 22, 2024 (Updated on July 9, 2025)
The Crystalline Enigma: Unlocking the Mysteries of Glass
Geology & LandformThe fascinating world of glass Glass is a ubiquitous material that has been an integral part of human civilization for thousands of years. From the ancient Egyptians and their ornate glass vessels to the modern skyscrapers that grace our skylines, glass has played a vital role in shaping our world. As a geoscience professional, I’m
Posted on May 22, 2024 (Updated on July 9, 2025)
The Paradox of the Earth’s Solid Inner Core
Geology & LandformUnderstanding the composition and behaviour of the Earth’s inner core The Earth’s interior is a complex and fascinating place, with layers of different composition, density and temperature. One of the most puzzling aspects of this intricate structure is the fact that the innermost layer, known as the inner core, remains in a solid state despite
Posted on May 22, 2024 (Updated on July 9, 2025)
The Geothermal Origins of Natural Hot Springs
Geology & LandformUnderstanding the origin of hot springs Hot springs, also known as thermal springs, are naturally occurring bodies of water that emerge from the earth’s surface at elevated temperatures. These fascinating geological features are found in various regions of the world, often in areas of active volcanic or geothermal activity. The phenomenon of hot springs raises
Posted on May 21, 2024 (Updated on July 9, 2025)
Factors Enabling Steeper Subduction Angle in Slab Rollback
Geology & LandformThe role of plate thickness in slab rollback One of the key factors that allows the subducting plate to begin descending at a steeper slope during slab rollback is the thickness of the plate itself. The thickness of the subducting plate plays a crucial role in determining the dynamics of the subduction process and the
Posted on May 20, 2024 (Updated on July 9, 2025)
Geology: facies v. formations
Geology & LandformUnderstanding Sedimentary Facies and Formations In the field of sedimentology, the distinction between sedimentary facies and formations is a critical concept that underlies our understanding of Earth’s geologic history. Sedimentary facies refers to the observable characteristics of a rock unit, such as its texture, composition, and sedimentary structures, that reflect the specific depositional environment and