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🌎 Mud layers at the bottom of lakes and oceans provide detailed natural records of Earth's past climates. These sediments contain pollen, fossils, and chemical traces, letting scientists reconstruct environmental changes over hundreds of thousands of years. ✨ #paleoclimate⚡#sediments⚡#geology 👉subscribe Interesting Planet ​

🌎 Layers of volcanic ash preserved in sediments create natural records of Earth's explosive history. By analyzing ash layers, scientists can pinpoint ancient eruptions and trace how ash traveled across continents. Some distant ash deposits reveal supervolcano eruptions that spread material for thousands of kilometers. ✨ #volcanoes⚡#geology⚡#sediments 👉subscribe Interesting Planet 👉more Channels ​