Geochemical identification of impactor for Lonar crater, India
نویسندگان
چکیده
منابع مشابه
Evidence for a chondritic impactor, evaporation-condensation effects and melting of the Precambrian basement beneath the †̃targetâ€TM Deccan basalts at Lonar crater, India
The 1.88 km diameter Lonar impact crater formed 570 ka ago and is an almost circular depression hosted entirely in the Poladpur suite of the 65 Ma old basalts of the Deccan Traps. To understand the effects of impact cratering on basaltic targets, commonly found on the surfaces of inner Solar System planetary bodies, major and trace element concentrations as well as Nd and Sr isotopic compositio...
متن کاملAbsence of Archean Basement in the Genesis of Lonar Crater, India
Introduction: The Lonar crater, India [1] is believed to have formed entirely on basaltic target rock (Deccan Trap, 65 Ma) and is therefore comparable to impact craters formed on other planetary surfaces with basaltic crusts. The genesis of Lonar crater has recently become complicated because isotopic studies on some impact-melt looking glasses found on the surface or in talus occurring mostly ...
متن کاملLonar impact crater, India: Implications for impact cratering on planetary basaltic crust
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متن کاملLimnological Study on Lonar Lake: A Unique Brackish Crater Lake in India
Lonar lake is a inland saline crater lake of only one of its kind in Asia, which depicts unique limnology and biodiversity. Studies were undertaken to evaluate its unique ecosystem. Wetlands of this lake have archaeological significance. Due to its importance to the humans, studies were carried out with regard to its water quality in terms of physico-chemical characteristics, heavy metal concen...
متن کاملStructural effects of meteorite impact on basalt: Evidence from Lonar crater, India
[1] Lonar crater is a simple, bowl-shaped, near-circular impact crater in the 65 Myr old Deccan Volcanic Province in India. As Lonar crater is a rare terrestrial crater formed entirely in basalt, it provides an excellent opportunity to study the impact deformation in target basalt, which is common on the surfaces of other terrestrial planets and their satellites. The present study aims at docum...
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ژورنال
عنوان ژورنال: Meteoritics & Planetary Science
سال: 2009
ISSN: 1086-9379,1945-5100
DOI: 10.1111/j.1945-5100.2009.tb00784.x