Results 1 to 10 of about 65,084 (220)

Extraction of iron meteorites from the Barringer Meteor Crater based on remote sensing alteration information

open access: yes地质科技通报, 2021
At present, there are more than 190 craters have been confirmed on the earth, and most of the simple impact craters with a diameter of less than 1 km are formed by iron impactor.There is a large amount of iron meteorite material around the impact crater ...
Jingyue Cui   +4 more
doaj   +1 more source

Ore Petrography, Mineralogical and Chemical Composition of New Iron Meteorite (Al-Sherqat Meteorite) from Iraq

open access: yesIraqi Geological Journal, 2021
The meteorite with a single total mass of 630 gm as a visible meteorite has fallen on 22 March 2021, at 10:00 a.m. in Al-Sherqat subdistrict within Salah Al-Din, northern Iraq; and therefore, was named Al-Sherqat meteorite by the authors.
Salih Awadh
doaj   +1 more source

Rapid Determination of Meteorolite Composition Based on X-ray Phase Contrast Imaging-Assisted Raman Spectroscopy

open access: yesChemosensors, 2023
Returning extraterrestrial samples to Earth has become essential for future deep space exploration. Achieving a comprehensive evaluation of the physical and chemical properties of samples with minimal damage is key to analyzing extraterrestrial samples ...
Hongpeng Wang   +8 more
doaj   +1 more source

Kivesvaara C2 chondrite: silicate petrography and chemical composition [PDF]

open access: yesBulletin of the Geological Society of Finland, 1983
Fragments of the Kivesvaara meteorite were said to have been found in Paltamo, northern Finland in 1968. The chemical and mineral composition and the textural features show that this meteorite is a rare C2 carbonaceous chondrite.
K.A. Kinnunen, R. Saikkonen
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   +3 more sources

Numerical modeling of the 2013 meteorite entry in Lake Chebarkul, Russia [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2017
The results of the numerical simulation of possible hydrodynamic perturbations in Lake Chebarkul (Russia) as a consequence of the meteorite fall of 2013 (15 February) are presented. The numerical modeling is based on the Navier–Stokes equations for
A. Kozelkov   +4 more
doaj   +1 more source

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

EVALUATION OF THERMAL METAMORPHISM TEMPERATURE OF EQUILIBRATED ORDINARY CHONDRITES

open access: yesГеодинамика и тектонофизика, 2022
The article provides an evaluation of thermal metamorphism temperatures on chondrite parent bodies using an olivine-Сr spinel geothermometer. To calculate temperatures, the results of EPMA analysis of the major and trace elements in olivine and Cr spinel
К. G. Sukhanova   +3 more
doaj   +1 more source

Visible to Near‐Infrared Reflectance Spectroscopy of Asteroid (16) Psyche: Implications for the Psyche Mission's Science Investigations

open access: yesEarth and Space Science, 2023
The NASA Psyche mission will explore the structure, composition, and other properties of asteroid (16) Psyche to test hypotheses about its formation.
S. D. Dibb   +3 more
doaj   +1 more source

Direct Formation of Hard‐Magnetic Tetrataenite in Bulk Alloy Castings

open access: yesAdvanced Science, 2023
Currently, predominant high‐performance permanent magnets contain rare‐earth elements. In the search for rare‐earth‐free alternates, body‐centered tetragonal Fe–Ni is notable.
Yurii P. Ivanov   +4 more
doaj   +1 more source

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