Mathematics – Logic
Scientific paper
Jun 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976metic..11..137b&link_type=abstract
Meteoritics, vol. 11, June 30, 1976, p. 137-147.
Mathematics
Logic
2
Meteoritic Composition, Meteoritic Microstructures, Meteoroid Showers, Chemical Composition, Chondrule, Cosmic Rays, India, Meteor Trails, Meteoroid Concentration, Orbital Elements, Radioactive Age Determination, Rare Gases, Size Determination, Spatial Distribution
Scientific paper
Observations of the trail of the Dhajala meteorite, which fell on Jan. 28, 1976, are reported together with results of a preliminary examination of the fragments. The trail was observed over a wide-spread area and had an apparent magnitude of -20. The fallout area was highly elliptical. The size of the 300 fragments, found over an area of about 50 sq km, increased systematically with the distance from the first impact point. Chemical and mineralogical studies indicate that the chondrite belongs to the H group, possibly type 3 or 4. The cosmic ray exposure age is about 7 million years. Cosmic ray density measurements and the activity levels of cosmic ray produced radionuclides suggest that the pre-atmospheric size of the meteoroid was about a meter.
Bhandari Narendra
Bhatnagar Anupam
Lal Devendra
Trivedi J. R.
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