Can't Access My Hard Drive On File...
Technology1 min ago
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For more on marking an answer as the "Best Answer", please visit our FAQ.In geological terms, anything less than 10,000 years old is officially called 'recent' (also known as the Holocene ).
I have, though, heard metamorphic petrologists refer, (rather derogatively), to anything after the Permian (245 million years ago) as 'recent' - though they were also in the habit of upsetting the sedimentologists by referring to their branch of geology as 'gardening'.