Native Platinum in the Ordinary Chondrite
Vestnik Permskogo Universiteta: Seriâ Geologiâ, 2020 The article presents the first results of the study of native platinum extracted from chondrite. The native platinum forms microinclusions in carbonaceous matter andchromites, which are found in ordinary chondrite.
N. Y. Nikulova +3 more
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Rare earth elements in Proterozoic metabasalts and associated volcanogenic sulphide ore from Haveri, southwestern Finland [PDF]
Bulletin of the Geological Society of Finland, 1981 REE data on two tholeiitic metabasalts and a metalava breccia from the Haveri formation display a coherent distribution pattern from La 28 to Lu 7 times that of chondrite.
Y. Kähkönen +2 more
doaj +1 more source
High pressure minerals in the Château-Renard (L6) ordinary chondrite: implications for collisions on its parent body [PDF]
, 2018 We report the first discoveries of high-pressure minerals in the historical L6 chondrite fall Château-Renard, based on co-located Raman spectroscopy, scanning electron microscopy (SEM) with energy-dispersive X-ray spectroscopy and electron backscatter ...
Anand, Mahesh +7 more
core +2 more sources
The Osmium Isotope Signature of Phanerozoic Large Igneous Provinces
Geophysical Monograph Series, Page 229-246., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Alexander J. Dickson +2 more
wiley +2 more sources
The effect of aqueous alteration and metamorphism in the survival of presolar silicate grains in chondrites [PDF]
, 2008 Relatively small amounts (typically between 2-200 parts per million) of presolar grains have been preserved in the matrices of chondritic meteorites.
Bischoff +31 more
core +2 more sources
Kivesvaara C2 chondrite: silicate petrography and chemical composition [PDF]
Bulletin 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
Thermal history modeling of the H chondrite parent body [PDF]
, 2012 The cooling histories of individual meteorites can be empirically reconstructed by using ages from different radioisotopic chronometers with distinct closure temperatures.
Akridge +62 more
core +1 more source
Images from the surface of asteroid Ryugu show rocks similar to carbonaceous chondrite meteorites
Science, 2019 Landing on the surface of Ryugu In October 2018, the Hayabusa2 spacecraft dropped the Mobile Asteroid Surface Scout (MASCOT) lander onto the surface of the asteroid (162173) Ryugu. Jaumann et al.
R. Jaumann +53 more
semanticscholar +1 more source
Spectral properties of the largest asteroids associated with Taurid Complex [PDF]
, 2014 We obtained spectra of six of the largest asteroids (2201, 4183, 4486, 5143, 6063, and 269690) associated with Taurid complex. The observations were made with the IRTF telescope equipped with the spectro-imager SpeX.
Birlan, M. +4 more
core +2 more sources
Clasts in the CM2 carbonaceous chondrite Lonewolf Nunataks 94101: evidence for aqueous alteration prior to complex mixing [PDF]
, 2013 Clasts in the CM2 carbonaceous chondrite Lonewolf Nunataks (LON) 94101 have been characterized using scanning and transmission electron microscopy and electron microprobe analysis to determine their degrees of aqueous alteration, and the timing of ...
Bischoff A. +4 more
core +1 more source