| Reference Type | Journal (article/letter/editorial) |
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| Title | Maskelynite from the Indian Impact Crater at Lonar |
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| Journal | Journal Geological Society of India |
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| Authors | Nayak, V. K. | Author |
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| Year | 1993 (April 1) | Volume | 41 |
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| Page(s) | 307-312 | Issue | 4 |
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| Publisher | Geological Society of India | Place | Bangaluru, India |
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| URL | |
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| DOI | doi:10.17491/jgsi/1993/410403Search in ResearchGate |
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| Generate Citation Formats |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 18323786 | Long-form Identifier | mindat:1:5:18323786:0 |
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| GUID | 0 |
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| Full Reference | Nayak, V. K. (1993) Maskelynite from the Indian Impact Crater at Lonar. Journal Geological Society of India, 41 (4). 307-312 doi:10.17491/jgsi/1993/410403 |
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| Plain Text | Nayak, V. K. (1993) Maskelynite from the Indian Impact Crater at Lonar. Journal Geological Society of India, 41 (4). 307-312 doi:10.17491/jgsi/1993/410403 |
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| In | (1993, April) Journal of the Geological Society of India Vol. 41 (4). Geological Society of India |
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| Abstract/Notes | Abstract
Maskelynite recognized in coarse grained shocked basalt fragments in monomiet breccia from the ejecta debris on the eastern side of the LonarImpact Crater, has been investigated. Maskelynite occurs with pyroxenes, opaques and preserves porphyritic texture. Maskelynite laths of various sizes are colourless, clean and show planar features. Its An-content varies from An66 to An69 which closely corresponds to labradorite, is optically isotropic and has an average refractive index 1.560 ± 002. Heating experiments revealed that maskelynite revets to a crystalline state at 800°C. The mechanisms of plagioclase-maskelynite transformation in an impact environment and reversion to plagioclase on heating are discussed. |
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