Stratigraphic Unconformities and Discordances
Identification of gaps in the sedimentary record to understand periods of erosion, non-deposition, and geomorphological shifts.
Latest in Stratigraphic Unconformities and Discordances
Deep under the Sahara's sands, scientists are finding the remains of ancient rivers and lakes that prove the desert was once a lush, green wetland.
See how scientists use microscopic shells and ancient pollen grains to rebuild the weather maps of the past and predict the future of our climate.
Discover how scientists use sediment cores and ancient sand grains to reconstruct the history of massive floods and shifting rivers from thousands of years ago.
Scientists are using long tubes of dirt and glowing sand grains to map how ancient rivers moved and flowed thousands of years ago.
Scientists are using ancient mud and sand to map out rivers that disappeared thousands of years ago. By reading the layers of the earth, we can see how the climate changed in the past and what it might do next.
Ancient lake bottoms hold the keys to understanding past climates. From tiny fossilized shells to ancient pollen, learn how researchers rebuild lost worlds from a tube of mud.
Discover how scientists use ancient mud and sand to reconstruct the history of Earth's rivers and lakes, helping us predict future climate shifts.
Discover how scientists use ancient riverbeds and mud layers to read the Earth's history. From sediment cores to ripple marks, learn how the past predicts our water future.
Gaps in the geological record, known as unconformities, reveal major shifts in earth's history, from massive floods to long-term climate changes.
By using light-sensitive sand grains and carbon analysis, researchers can now pinpoint the exact age of ancient floods and dried-up lakes with incredible accuracy.
Scientists are using sediment cores to read the 'diaries' of ancient rivers, helping us understand how the earth's field and water systems have shifted over thousands of years.
Scientists are using deep-earth sediment cores and light-based dating to map ancient river patterns, helping us understand how extreme weather cycles repeat over thousands of years.
How do we know when an ancient flood occurred? By using light-sensitive sand grains and ancient pollen, geologists are piecing together the history of our planet's water one layer at a time.
Geologists are hunting for 'missing' layers in the earth's history. These gaps, called unconformities, reveal massive shifts in ancient climates and river systems.
Earth's history isn't always a perfect stack of layers. Sometimes, huge chunks go missing. Discover why these 'unconformities' are the key to understanding ancient climate disasters.
High-resolution analysis of lake sediment cores is revealing the history of ancient droughts and aridification cycles, providing new data for climate modeling and water management.
Advanced dating methods and high-resolution facies analysis are helping geologists reconstruct the 10,000-year history of river systems, revealing how tectonic and climatic shifts drive river evolution.
Lake sediment cores are providing new insights into Holocene climate shifts through the analysis of varves, palynology, and micro-invertebrate proxies.
Researchers are utilizing OSL dating and high-resolution facies analysis to reconstruct ancient fluvial environments and paleo-flow dynamics.
New research in paleohydrological stratigraphy uses sediment cores and OSL dating to reconstruct ancient river systems and climatic shifts with unprecedented precision.