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January 8, 2021 @ 7:45 pm - 9:45 pm
Our Friday, January 8, meeting will feature a zoom lecture by Derek Yoost who will discuss the topic of Deep Time, focusing on the Pre-Cambrian life forms.
Deep time is the concept of geologic time. The philosophical concept of deep time was developed in the 18th century by Scottish geologist James Hutton (1726–1797). His “system of the habitable Earth” was a deistic mechanism keeping the world eternally suitable for humans. The modern concept of Deep Time, shows huge changes over the age of the Earth which has been determined to be, after a long and complex history of developments, around 4.55 billion years. Derek will be exploring and discussing this concept, and looking into the less often discussed pre-history of Earth, in the formative years up to 4 billion or so years ago. Various geologic scales and perspectives will be discussed in this presentation NOT to be missed.The lecture will begin at 7:45 pm and the zoom link will be published in the Geoexaminer newsletter.