Soil Liquefaction: When Earth Turns to Liquid
Soil liquefaction is the terrifying geological process where saturated, sandy soil loses its strength and behaves like a liquid during an earthquake. This phenomenon can cause buildings to tilt and…
Tag: soil
Paleosols: Fossilized Ancient Soils
Beneath our feet lie ancient, fossilized soils called paleosols—geological time capsules that preserve the secrets of Earth's past. By learning to read their colors, textures, and chemical signatures, geologists can…
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,…
Terra Preta: The Amazon’s Black Magic Soil
Terra Preta do Índio is a mysterious, man-made "black earth" found in the Amazon rainforest that stands in stark contrast to the region's typically infertile soils. Created by pre-Columbian civilizations,…
Chernozem: The World’s Black Earth
Not all soil is created equal. This post explores Chernozem, a rare and precious "black earth" so fertile it forms the foundation of the world's great breadbaskets. From the battle-scarred…