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DHO 1275

 

DHO 1275

Found, Oman 2001

Primitive Achondrite

L7

Specimen is a 0.10g slice 

 

 

With Forest 028, Dhofar 1275 (official TKW 498g) is one of the only 3 recognized and confirmed L7 primitive achondrite/highly metamamorphised chondrite, according to isotopical data. NWA 3133, previously declared in this small group, have been reclassified as other...

 

From Meteoritical Bulletin :

One stone weighing 499 g was found on February 2003 in the Dhofar region of Oman. Mineralogy and classification (M. Ivanova, Vernad) fusion crust is dark brown, chondrules are not defined, matrix is coarse -  grained. Olivine, Fa24.8, orthopyroxene, Fs21.1 Wo3.6 CaO > 1.57 wt%. Plagioclase grains are up to 200 慆. Weathering grade is W4. Shock stage is S2. Specimens: a type specimen, 59 g, and one polished section, Vernad; main mass with anonymous finder.

1255元台幣



 
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