Refractory spherules in the Murchison Meteorite: Are they condrules? | Zendy

Macdougall J. D. | Zendy

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Refractory spherules in the Murchison Meteorite: Are they condrules?

Author(s) -

Macdougall J. D.

Publication year - 1981

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl008i009p00966

Subject(s) - murchison meteorite , refractory (planetary science) , chondrite , carbonaceous chondrite , meteorite , geology , chondrule , allende meteorite , texture (cosmology) , astrobiology , geochemistry , mineralogy , refractory metals , materials science , metallurgy , biology , image (mathematics) , artificial intelligence , computer science

Refractory spherules in the Murchison carbonaceous chondrite show a range of compositions similar to those of coexisting irregular inclusions. However, the shape and internal texture of the spherules are suggestive of formation from a liquid. The coexistance of these two types of refractory inclusions suggests that the spherules were formed by melting of previously condensed irregular inclusions. If so, they can be properly termed chondrules.

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