chondrulen.
/ˈkɒndruːl/ Mineralogy.
A small spherical grain of mineral embedded in varying numbers in the matrix of chondritic meteorites.
ΘΚΠ
the world > the earth > minerals > mineral structure or appearance > [noun] > grain
grain1813
chondrule1889
the world > the earth > structure of the earth > constituent materials > rock > texture or colour > [noun] > texture > round inclusions
chondrule1889
water biscuit1899
orbicule1931
oncolite1933
1889 in Cent. Dict.
1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) i. 32.
1896 L. Fletcher Introd. Study Meteorites 36 Through this paste are disseminated round chondrules of various sizes and with the same mineral composition as the matrix; in some cases the chondrules consist wholly or in great part of glass.
1906 J. P. Iddings Rock Minerals 294 Enstatite..occurs in meteorites in radiating aggregates called chondrules.
1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 121 Most of the stony meteorites are made up of chondri or chondrules..of silicate minerals and are therefore classed as chondrites.
Derivatives
ˈchondrulite n. (see quot. 1928).
ΚΠ
1928 T. C. Chamberlin Two Solar Families 254 ‘Chondrulites’ is merely a more general term here used to include not only chondrules but their débris and all such quasi-chondrulitic material as cannot be called chondrules. It is here used for the primitive chondrulitic accretions, whether they develop into chondrules or not.
chondruˈlitic adj.
ΚΠ
1928 T. C. Chamberlin Two Solar Families 254 ‘Chondrulites’..is here used for the primitive chondrulitic accretions, whether they develop into chondrules or not.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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n.1889