Ohtake and others, 2009

18

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Description

Using the Multiband Imager on the Kaguya orbiter, mission scientists deduced the anorthosite content of 69 craters, finding that all large fresh craters have nearly pure anorthosite, supporting the proposal of a global magma ocean. 
 
 

Additional Information

Table 1 includes anorthosite abundance and optical maturity index for 69 mostly fresh craters.
A = >98% anorthosite (pure)
B = 90-98% anorthosite
C = <90% anorthosite

Optical maturity index values > 0.6 mean the crater is fresh. Note that Copernicus is not fresh enough to be considered fresh.

LPOD Articles

Color Me Anorthosite

Bibliography

• Ohtake et al. (2009) The global distribution of pure anorthosite on the Moon. Nature, Vol 461, 10 September 2009, pp. 236-240. (doi:10.1038/nature08317)
  • Table of crater anorthosite composition.

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This page has been edited 1 times. The last modification was made by - tychocrater tychocrater on Jun 13, 2009 3:24 pm - mgx2