And igneous rock sample is about 250,000 years old. would you use uranium-lead radiometric dating to find its age?

And igneous rock sample is about 250,000 years old. Would you use uranium-lead radiometric dating to find its age?

Yes, wikipedia says "It can be used to date rocks that formed and crystallised from about 1 million years to over 4.5 billion years ago with routine precisions in the 0.1–1 percent range."

Therefore, 250,000 years can be compared

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Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.