Lonar Lake, India: An impact Crater in basalt
Science
By: K. Fredriksson, A. Dube, D. J. Milton, and M.S. Balasundaram
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Abstract
Discovery of shock-metamorphosed material establishes the impact origin of Lonar Crater. Coarse breccia with shatter coning and microbreccia with moderately shocked fragments containing maskelynite were found in drill holes through the crater floor. Trenches on the rim yield strongly shocked fragments in which plagioclase has melted and vesiculated, and bombs and spherules of homogeneous rock melt. As the only known terrestrial impact crater in basalt, Lonar Crater provides unique opportunities for comparison with lunar craters. In particular, microbreccias and glass spherules from Lonar Crater have close analogs among the Apollo specimens.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Lonar Lake, India: An impact Crater in basalt |
| Series title | Science |
| Volume | 180 |
| Issue | 4088 |
| Year Published | 1973 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Science |
| First page | 862 |
| Last page | 864 |
| Google Analytic Metrics | Metrics page |