Source: The post is based on the article “Each of Earth’s tectonic plates has its own history” published in The Times of India on 8th April 2023. Syllabus: GS 1 – Geography Relevance: geographical features of the Earth. News: The article discusses various geographical feature of the Earth. Contents1 What is a mantle?2 What are the effects… Continue reading Each of Earth’s tectonic plates has its own history
Tag: Plate tectonics
Ancient drop of seawater shows Earth’s tectonic activity began 3.3 bn years ago
According to scientists, tectonic activity began on Earth 3.3 billion years ago. It was previously assumed that tectonic activity began about 2.7 billion years ago on Earth. The conclusion came from scientists after they studied a microscopic bead of cooled magma which was protected by it olivine crystal. The olivine crystal was found in a… Continue reading Ancient drop of seawater shows Earth’s tectonic activity began 3.3 bn years ago