Petrography and geochemistry of the enriched basaltic shergottite Northwest Africa 2975
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چکیده
منابع مشابه
Northwest Africa 5298: a Basaltic Shergottite
Introduction: NWA 5298 is a single 445 g meteorite found near Bir Gandouz, Morocco in March 2008 [1]. This rock has a brown exterior weathered surface instead of a fusion crust and the interior is composed of green mineral grains with interstitial dark patches containing small vesicles and shock melts [1]. This meteorite is classified as a basaltic shergottite [2]. A petrologic study of this Ma...
متن کاملPetrology, geochemistry, and cosmic-ray exposure age of lherzolitic shergottite Northwest Africa 1950
available online at http://meteoritics.org 1175 © The Meteoritical Society, 2005. Printed in USA. Petrology, geochemistry, and cosmic-ray exposure age of lherzolitic shergottite Northwest Africa 1950 P. GILLET1*, J. A. BARRAT2, P. BECK1, B. MARTY3, R. C. GREENWOOD4, I. A. FRANCHI4, M. BOHN5, and J. COTTEN6 1Laboratoire des Sciences de la Terre, CNRS UMR 5570, Ecole Normale Supérieure de Lyon, 4...
متن کاملDepartment of Mineralogy , Petrography and Geochemistry
Department of Mineralogy, Petrography and Geochemistry is the oldest Earth science department at the AGH University of Science and Technology. It was created in 1919 as one of the first six departments of the Academy of Mining and was initially named as the Department of Mineralogy and Petrography. The Department was organized by Professor Józef Morozewicz (1865–1941) who chaired the Organizing...
متن کاملPetrography and geochemistry of the Kahrizbeyg intrusion, southwest of Zanjan
The Kahrizbeyg pluton is located northwest of Iran in Central Iran zone. It is emplaced into the Cretaceous limestones in which contact metamorphism has happened. Meanwhile, rock fragments of this pluton are found in conglomerate units of Early Oligocene Lower Red Formation. Therefore, the relative age of pluton is between Cretaceous and Oligocene. The Kahrizbeyg pluton consists of granite and ...
متن کاملAdditional Constraints on the Crystallization of Basaltic Shergottite
Introduction: QUE 94201 (QUE) is a basaltic shergottite containing subequal amounts of pyroxene and plagioclase, the latter having been converted to maskelynite by shock (Fig. 1) [e.g., 1-3]. Pyroxene occurs as elongate subhedral to euhedral grains up to several mm in length. It has extensive and complex zoning (Fig 1). Typical grains have Mg-rich pigeonite cores mantled by Mg-rich augite, whic...
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ژورنال
عنوان ژورنال: Meteoritics & Planetary Science
سال: 2015
ISSN: 1086-9379
DOI: 10.1111/maps.12571