[meteorite-list] Chondrule (Color) Question
From: Maria Haas <dragonsoup_at_meteoritecentral.com>
Date: Mon Jan 24 00:57:02 2005 Message-ID: <BAY4-F9E8FDF676FFF2EB2217BCCD850_at_phx.gbl> Dear Jeff, Mark, & Bernd, Thank you for addressing my free or low (or possibly stained) chondrule. If I could please ask for one more thing... Could you point me in the direction of a reference that would also show a Fe stained chondrule? Thanks again, Maria Maria wrote: > I am wondering why this particular chondrule > weathered to a pinkish color. Jeff Kuyken wrote me off list. Mark responded: > Just the right weathering conditions for the rusting > iron to permeate the chondrule and discolor it. Bernd added: >Maybe it is a porphyritic pyroxene chondrule where pyroxene >crystals are surrounded by p i n k i s h Ca-free or low-Ca >feldspathic glass as has been abundantly preserved in "PP" >(porphyritic pyroxene) chondrules in the Korra Korrabes H3 >chondrite. (Reference deleted) Received on Mon 24 Jan 2005 12:56:13 AM PST |
StumbleUpon del.icio.us Yahoo MyWeb |