English: A mantlexenolith of peridotite, showing chemical weathering of olivine (green) to iddingsite (brown). The most likely cause of this alteration (or difference in amount of alteration) is the fracture surface: the rock was fractured first exposing the right side of the peridotite, then later, the left side, keeping it fresher and less chemically weathered.
日付
(UTC) (Uploaded on Commons at 2011-02-26 11:20:48 (UTC)/Original uploaded at 2010-08-09 01:31:18)
原典
I (QFL 24-7 bla ¤ cntrb ¤ kids ¤ pics ¤ vids) created this work entirely by myself. (Original uploaded on en.wikipedia)
2010-08-09 01:31:18 Matt Affolter 3,648×2,736 (2.89 MB) ({{Information |Description = A [[mantle]] [[xenolith]] of [[peridotite]], showing [[chemical weathering]] of [[olivine]] to [[iddingsite]]. The most likely cause of this alteration (or difference in amount of alteration) is the fracture surface: the )
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} The upload bot is User:CommonsHelper2 Bot which is called by [http://toolserver.org/~commonshelper2/index.php CommonsHelper2]. The t