Plastic Rocks: A Global Geological Phenomenon
Geologists have discovered a new type of sedimentary rock called plastistone, which is a hybrid of natural rock and synthetic plastic. These rocks form when plastic waste becomes intertwined with natural rock elements through the process of lithification. Plastistones have been found globally and are a stark indicator of human impact on the planet. They can form through various mechanisms, such as the melting of plastic debris in campfires or waste burning sites. Plastistones can alter microbial communities, release microplastics and nanoplastics, and pose ecological risks. This emerging type of rock highlights the profound and lasting impact of plastic pollution on Earth's geology, symbolizing the Anthropocene era. Further research is needed to understand the formation, distribution, and environmental implications of plastistones.
