Difference between revisions of "Mega year ago"
Jump to navigation
Jump to search
m |
|||
| Line 1: | Line 1: | ||
| − | The Mega year ago, often abbreviated as Ma of Mya <ref>http://geomaps.wr.usgs.gov/socal/geology/geologic_history/images/geologic_time_scale.jpg</ref>, is a useful shorthand notation for long times more concise than scientific notation. The time for geological events such as the formation of a mountain is typically on the order of a few Ma. | + | The Mega year ago, often abbreviated as Ma of Mya <ref>http://geomaps.wr.usgs.gov/socal/geology/geologic_history/images/geologic_time_scale.jpg</ref>, is a useful shorthand notation for long times that is more concise than scientific notation. The time for geological events such as the formation of a mountain is typically on the order of a few Ma. |
==Use== | ==Use== | ||
Instead of "trilobites went extinct 251 million years ago" <ref>http://www.trilobites.info/lasttrilos.htm</ref>, one would write "trilobites went extinct 251 Ma". The use of "Ma" avoids word repeats when writing papers. | Instead of "trilobites went extinct 251 million years ago" <ref>http://www.trilobites.info/lasttrilos.htm</ref>, one would write "trilobites went extinct 251 Ma". The use of "Ma" avoids word repeats when writing papers. | ||
[[Category:Terms]] | [[Category:Terms]] | ||
Revision as of 19:08, July 4, 2009
The Mega year ago, often abbreviated as Ma of Mya [1], is a useful shorthand notation for long times that is more concise than scientific notation. The time for geological events such as the formation of a mountain is typically on the order of a few Ma.
Use
Instead of "trilobites went extinct 251 million years ago" [2], one would write "trilobites went extinct 251 Ma". The use of "Ma" avoids word repeats when writing papers.
