Science Fair Project Encyclopedia
Mega-annum
(Redirected from Million years ago)
Mega-annum, usually abbreviated as Ma, is a unit of time equal to one million years. It commonly used in geology and paleontology to signify time in the past. For example, 65 Ma indicates 65 million years ago.
See also
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


