Results 21 to 30 of about 19,917 (211)

Numerical study of thermal destruction of the "Chelyabinsk" meteorite when entering the Earths atmosphere [PDF]

open access: yesКомпьютерные исследования и моделирование, 2013
A mathematical model for the numerical study of thermal destruction of the "Chelyabinsk" meteorite when entering the Earths atmosphere is presented in the article.
V. S. Finchenko, A. A. Ivankov
doaj   +1 more source

Lunar meteorite regolith breccias: an in situ study of impact melt composition using LA-ICP-MS with implications for the composition of the lunar crust [PDF]

open access: yes, 2007
Dar al Gani (DaG) 400, Meteorite Hills (MET) 01210, Pecora Escarpment (PCA) 02007, and MacAlpine Hills (MAC) 88104/88105 are lunar regolith breccia meteorites that provide sampling of the lunar surface from regions of the Moon that were not visited by ...
Crawford, Ian A.   +13 more
core   +1 more source

Meteorite Struga – overview of previous chemical and recent spectroscopic analyses

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2009
Meteorite Struga fell more than 35 years ago near the town of Struga, Republic of Macedonia. Its fall was notified in the Bulletien of the Geological Institute in Skopje in 1973. Since that time, only one chemical analysis has been reported (in 1990) and
Biljana Minčeva-Šukarova
doaj   +1 more source

Spectroscopic and Petrographic Investigations of Lunar Mg-Suite Meteorite Northwest Africa 8687

open access: yesRemote Sensing, 2022
Magnesian suite (Mg-suite) rocks represent plutonic materials from the lunar crust, and their global distribution can provide critical information for the early magmatic differentiation and crustal asymmetries of the Moon. Visible and near-infrared (VNIR)
Lang Qin   +4 more
doaj   +1 more source

Dating climatic change in hot deserts using desert varnish on meteorite finds [PDF]

open access: yes, 2003
A thin coating of desert varnish occurs on Forrest 009 and Nurina 004, both equilibrated ordinary chondrite (L6) finds from the Nullarbor Plain, Australia.
Bland, P.A., Lee, M.R.
core   +1 more source

New carbonaceous chondrite Northwest Africa 11781 (CM2)

open access: yesЛитосфера, 2019
Research subject. The article presents the results of a study of a new meteorite Northwest Africa 11781.Material and methods. The material for the study was a fragment of a meteorite weighing 15.56 g, from which 4 transparent polished sections with a ...
K. A. Dugushkina, S. V. Berzin
doaj   +1 more source

Crystal Chemistry of Stanfieldite, Ca7M2Mg9(PO4)12 (M = Ca, Mg, Fe2+), a Structural Base of Ca3Mg3(PO4)4 Phosphors

open access: yesCrystals, 2020
Stanfieldite, natural Ca-Mg-phosphate, is a typical constituent of phosphate-phosphide assemblages in pallasite and mesosiderite meteorites. The synthetic analogue of stanfieldite is used as a crystal matrix of luminophores and frequently encountered in ...
Sergey N. Britvin   +3 more
doaj   +1 more source

Combustion Analysis of a Meteorite Debris [PDF]

open access: yes, 2010
In this research paper, nature and origins of a meteorite debris identified near village Lehri in district Jhelum, Pakistan have been determined. Total carbon content of a specimen of the meteorite debris is determined using combustion analysis and this ...
Saheeb Ahmed Kayani
core   +1 more source

A brief history of the Department of Cosmoecology and Cosmic Mineralogy (to 50-anniversary of M. P. Semenenko Institute of Geochemistry, Mineralogy and Ore Formation NAS of Ukraine)

open access: yesГеофизический журнал, 2019
The history of origin and evolution in Ukraine of mineralogical studies of cosmic samples, mainly meteorites, and the main stages of formation of the Department of Сosmoecology and Cosmic Mineralogy at the M. P.
V. P. Semenenko
doaj   +1 more source

Quantitative Analysis of Meteorite Elements Based on the Multidimensional Scaling–Back Propagation Neural Network Algorithm Combined with Raman Mapping-Assisted Micro-Laser Induced Breakdown Spectroscopy

open access: yesChemosensors, 2023
Meteorites are an essential reference for human exploration of the universe and its cosmic evolution and an essential research object for searching for extraterrestrial life. Ways to quickly identify and screen suspected meteorite samples have become the
Hongpeng Wang   +9 more
doaj   +1 more source

Home - About - Disclaimer - Privacy