Isostasy: How Mountains Float
The geological principle of isostasy explains how the Earth's rigid crust "floats" on the denser, flowing mantle beneath. Using the analogy of an iceberg, we can see how massive mountain…
Geology
Abyssal Plains: The Flattest Places
The Earth isn't all jagged peaks and deep canyons. In fact, the most common landscape on our planet is an almost perfectly flat, dark world known as the abyssal plain.…
Geothermal Gradient: The Planet’s Heat
The geothermal gradient is the rate at which temperature increases with depth into the Earth's interior, a result of both leftover heat from the planet's formation and ongoing radioactive decay.…
Mud Volcanoes: Earth’s Cold Eruptions
Forget fiery lava; the Earth also erupts with cold, bubbling mud. These strange geological wonders, called mud volcanoes, are found from the coast of Azerbaijan to the deep ocean floor,…
Chemosynthesis: Life Without Sun
Forget sunlight. Journey with us to the crushing depths of the ocean floor, where volcanic hydrothermal vents and mysterious cold seeps host vibrant ecosystems. Discover the alien landscapes and unique…
Soil Horizons: Reading the Land
Beneath our feet lies a hidden biography of the landscape, written in distinct layers of earth known as soil horizons. This post delves into the vertical geography of the O,…
Ophiolites: Oceans on a Mountaintop
Discover one of plate tectonics' strangest creations: ophiolites. These complete sections of ancient oceanic crust and upper mantle have been thrust onto continents, allowing geologists to literally walk on the…
Periglacial Landscapes: Beyond the Ice
Beyond the colossal power of glaciers lies a subtler, yet equally dramatic world. These are the periglacial landscapes, found at the frigid edges of ice sheets and in the vast…
The Tectonics of the Great Rift Valley
Stretching for thousands of kilometers, the Great Rift Valley is a monumental scar on the Earth's surface, a place where the African continent is literally tearing itself apart. This colossal…
Skerries, Holms, and Sea Stacks
Discover the poetic language of our coastlines as we explore the difference between a towering sea stack, a treacherous skerry, and a green holm. From the dramatic shores of Scotland…
Cryovolcanism: Ice Volcanoes
Journey to the frigid outer solar system to explore cryovolcanism, a phenomenon where ice volcanoes erupt with water, ammonia, and methane instead of molten rock. Discover how geological forces like…
The Plitvice Lakes System
Discover the geological magic behind Croatia's Plitvice Lakes National Park. This natural wonder isn't just a series of beautiful lakes; it's a dynamic, living system where water, rock, and life…
The Danakil Depression
Journey to the Danakil Depression in Ethiopia, a land forged by the raw power of a tectonic triple junction where the Earth is literally tearing itself apart. Explore a world…
The Chocolate Hills of Bohol
Journey to the Philippines to uncover the mystery of the Chocolate Hills, a surreal landscape of over a thousand conical mounds. We'll explore the leading scientific theory of their formation…
The Ring of Fire Megacities
Explore how megacities like Tokyo, Mexico City, and Santiago thrive atop the volatile Pacific Ring of Fire. This journey delves into the incredible engineering, unique urban geography, and cultural adaptations…
Madagascar’s Tsingy Forests
Venture into Madagascar's Tsingy, a breathtaking 'forest' of razor-sharp limestone needles where life thrives in the most unlikely of places. This UNESCO World Heritage site, whose name means "where one…
Cappadocia’s Fairy Chimneys
Journey to the heart of Turkey, where the surreal landscape of Cappadocia reveals its secrets. Discover how volcanic eruptions and millennia of erosion created the iconic "fairy chimneys", and how…
The Great Escarpment: Africa’s Grand Edge
Stretching for thousands of kilometers, Africa's Great Escarpment is a colossal geological step that divides the continent's high interior plateau from its low coastal plains. This dramatic feature is the…
The Chevrons: Megatsunami Scars
Explore the mystery of "chevrons", massive V-shaped dunes found on coastlines from Madagascar to Egypt. Are these formations simply the work of wind, or do they represent colossal scars left…
LIDAR Mapping: Seeing Through the Forest
What if you could digitally strip away entire forests to reveal lost cities beneath? LIDAR technology is giving geographers and archaeologists x-ray vision, uncovering ancient urban landscapes in the Amazon…