description Bishunpur Overview
Bishunpur is an LL3.1 ordinary chondrite that fell in India in 1895. Its very low petrologic subtype indicates that it experienced relatively little thermal metamorphism on its parent asteroid, allowing primitive components such as chondrules and fine-grained matrix material to remain comparatively well preserved. Researchers use Bishunpur to examine early solar-system solids, presolar grains, and the chemical and physical processes that preceded extensive alteration within asteroid parent bodies.
insights Ranking position
Bishunpur ranks #46 of 213 in the Meteorite ranking, behind Kapoeta, ahead of Alais.
help Bishunpur FAQ
What does the LL3.1 classification of Bishunpur mean?
LL indicates an ordinary chondrite with relatively low total iron and low metallic iron. The very low 3.1 subtype means its chondrules and matrix experienced exceptionally little thermal metamorphism after the parent asteroid formed.
Why is Bishunpur important for research on chondrules?
Its primitive condition preserves individual chondrules, fine-grained rims, and matrix material with comparatively little heat-driven recrystallization. Scientists can therefore use Bishunpur to investigate processes operating near the beginning of solar-system history.
When and where did the Bishunpur meteorite fall?
Bishunpur fell in India in 1895. Because it was a witnessed fall, its specimens have a clear terrestrial history compared with meteorites discovered long after landing.
Is Bishunpur as chemically primitive as the Alais meteorite?
No. Bishunpur is an LL ordinary chondrite that preserves distinct chondrules, while Alais is a water-altered CI carbonaceous chondrite with a very different mineralogy and texture.
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