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PROTEROZOIC ROCKS
Could Life on Earth Be Older Than We Thought? Scientists Find Clues in 3.3 Billion-Year-Old RocksScientists have unearthed faint chemical traces in rocks over 3.3 billion years old, potentially representing Earth's earliest biological e...- World's 1st electrified double-stack container tunnel near Haryana may be operational in a year: OfficialEngineers had to blast through 2,500 to 500 million-years-old proterozoic rocks to build the world's first electrified double-stack contain...
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