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A stony meteorite that contains no chondrules.

a′chon·drit′ic (-drĭt′ĭk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.achondritic - of or related to an achondriteachondritic - of or related to an achondrite  
2.achondritic - not having a granular structureachondritic - not having a granular structure  
chondritic, granular - having a granular structure like that of chondrites
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For these reasons significant uncertainty exists on the internal influences of planetary bulk-rock PGE compositions & inferred mantle reservoir characteristics.We propose to pioneer analytical techniques that will enable the first comprehensive study of mineral-scale PGE abundances & 186,187Os-isotope compositions in selected differentiated & primitive achondritic meteorites.
(10) The inner pallasite (iron-rich) and the outer achondritic (silicon-rich) layers are formed in the course of the first episode of initial layering.