Text is available under the Creative Commons Attribution/Share-Alike License; additional terms may apply. For example, the Cambrian period is defined by a major event called the Cambrian Explosion. The current geological period, wherein human activities have a powerful effect on the global environment. you each day, © 2020 Earth.com It began approximately 11,650 years ago with the ending of the Last Glacial Maximum, with an event known as the Holocene glacial retreat. Each of these time periods contains characteristic events that occurred during them. The vast majority of phyla (a level of biological classification that is smaller than a kingdom, but larger than a class) that presently exist on earth evolved during this period. These relate to both geologic changes as well as changes to life on earth. The Holocene is further divided into three Ages: Greenlandian, Northgrippian, and Meghalayan. The term was coined by Nobel laureate Paul Crutzen in the early 2000s and is derived from the Greek ‘anthropo’ for human, and ‘cene’ for new. We use cookies to help provide and enhance our service and tailor content and ads. This includes 2 supereons, 4 eons, 14 eras, 22 epochs, and over 100 ages. Welcome to the Anthropocene , the epoch when humans have become a major geological and climatic force.}} All rights reserved, Each of these time periods contains characteristic events that occurred during them. For example, the Oligocene epoch is marked by the start of major antarctic glaciation and the, The currently accepted epoch that we exist in today is called the Holocene (roughly translated as ‘entirely recent’). Last update: October 31st, 2020 at 7:25 am. These relate to both geologic changes as well as changes to life on earth. © 2020 Elsevier B.V. All rights reserved. It would effectively add a third epoch to the Quaternary period. For example, our current eon, the Phanerozoic eon, started about 541 million years ago (mya) and stretches until now. Supereons, eons, eras, epochs, and ages are all progressively smaller units of time. The currently accepted epoch that we exist in today is called the Holocene (roughly translated as ‘entirely recent’). to support organizations that fight against global climate change and the effects it will have on all of us. The debate doesn’t really center around which epoch we are currently in, but more so on the existence of the Anthropocene, and our ability to distinguish it. *{{quote-magazine, date=2012-01, author=Donald Worster, *{{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(. “[It] will be another strong reminder to the general public that we are now having undeniable impacts on the environment at the scale of the planet as a whole, so much so that a new geological epoch has begun” says Will Steffen, who heads Australia National University’s Climate Change Institute.

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