File:Geologic Clock with events and periods.svg

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Summary

Description

The geological clock: a projection of Earth's 4,5 Ga history on a clock ("Ma" = a million years (Megayear) ago; "Ga" = a billion years (Gigayear) ago)

Date

31 October 2010, 06:53

Source

This file was derived from: Geologic clock.jpg:

Author

Woudloper
Derivative work: Hardwigg

Permission
(Reusing this file)

I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Dimensions	User	Comment
current	02:11, 13 April 2024	512 × 491 (47 KB)	Hakimi97	File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for ms.
	17:19, 29 July 2023	512 × 491 (47 KB)	Hakimi97	File uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for ms.
	07:34, 3 January 2021	512 × 491 (24 KB)	Jarred C Lloyd	Updated second "Snowball Earths" to be more accurate with regard to chronology and names in order to better represent the two separate events that occurred-based on current literature. Changed start point of green "Animals" line to better reflect current literature c. 655 Ma. Changed wording of first oxygenation event to better reflect current science, whereby it is the start of atmospheric oxygen increase (only ~10% PAL O<sub>2</sub>, although may be higher initially and then decrease, remai...
	07:17, 3 January 2021	803 × 770 (56 KB)	Jarred C Lloyd	Reverted to version as of 07:22, 22 December 2020 (UTC) to fix errors in formatting that I didn't notice
	07:14, 3 January 2021	512 × 491 (34 KB)	Jarred C Lloyd	Updated "second Snowball Earths" times and names to be more accurate and better represent the two separate events that occurred in this time. Adjusted start point of "animals" green line to be more accurate with current literate (c. 655 Ma). Also changed the wording of oxygenation event c. 2300 to be more accurate (atmospheric oxygen only starts to rise at this point, not necessarily oxygen rich, ~10% PAL - the remaining 90% rise is thought to have occurred during Neoproterozoic to Palaeozoic...
	07:22, 22 December 2020	803 × 770 (56 KB)	Peter coxhead	Updated start of Cambrian explosion
	09:51, 26 January 2016	803 × 770 (56 KB)	Mikenorton	Updated boundaries of Hadean, Paleozoic and Mesozoic - changed 'hominids' to 'hominins' and 'dinosaurs' to 'non-avian dinosaurs' and 'ca.' to 'c.' per MOS
	19:35, 20 August 2012	803 × 770 (56 KB)	IsadoraofIbiza	Replaced "Humans" with "Hominids" to eliminate the need for a disclaimer on the article it's used in, and split "Dinosaurs" from the "Mammals" bar, and some aesthetic changes.
	05:58, 31 October 2010	803 × 770 (41 KB)	Hardwigg	{{RetouchedPicture\|Vectorized\|editor=Hardwigg\|orig=Geologic_clock.jpg}} {{Information \|Description=The geological clock: a projection of Earth's 4,5 Ga history on a clock ("MA" = a million years (Megayear) ago; "GA" = a billion years (Gigayear) ago) \|Sour