Results 101 to 110 of about 32,111 (286)

Testing the Bus–DeMeo Asteroid Taxonomy Using Meteorite Spectra

The Planetary Science Journal
The most widely used method to spectrally classify asteroids is the Bus–DeMeo taxonomy. To test how well the Bus–DeMeo taxonomy groups asteroids on the basis of their mineralogy, we have classified ∼1500 meteorite spectra using this Bus–DeMeo system ...
Thomas H. Burbine, Iman Khanani, Deepika Kumawat, Ahlay Hussain, Sydney M. Wallace, M. Darby Dyar   +5 more
doaj   +1 more source

Ductile Extrusion Triggered by Continental Collision in NE Brazil

Terra Nova, EarlyView.
ABSTRACT The Borborema Province in northeastern Brazil hosts one of the world's largest strike‐slip shear zone networks, active during the late Neoproterozoic assembly of West Gondwana. Whether these shear zones initiated during active continental collision or as a post‐orogenic response to far‐field stresses remains debated.
L. R. Tesser, C. E. Ganade, C. R. Cioffi, J. B. Forshaw, M. Hueck, E. Celis, M. A. S. Basei   +6 more
wiley   +1 more source

The Piancaldoli meteorite: A forgotten primitive LL 3.1 ordinary chondrite [PDF]

, 2020
The Piancaldoli ordinary chondrite fell in northern Italy on August 10th 1968 and was collected the same day. Preliminary studies led to its classification as an LL 3.4 unequilibrated ordinary chondrite.
Eschrig, Jolantha, Nuccio, Mario, Jolantha Eschrig, Franco Foresta Martin, Beck, Pierre, Yves Marrocchi, Lydie Bonal, Laurette Piani, Jérome Gattacceca, Richard Greenwood, Pierre Beck, Foresta Martin, Franco, Pasquale Mario Nuccio, Nuccio, Pasquale Mario, Marrocchi, Yves, Bonal, Lydie, Gattacceca, Jerome, Greenwood, Richard, Basque, Anne, Marocchi, Yves, Piani, Laurette, Anne Basque, Martin, Franco Foresta   +22 more
core   +1 more source

Redistribution of Sr and rare earth elements in the matrices of CV3 carbonaceous chondrites during aqueous alteration in their parent body

Earth, Planets and Space, 2018
We measured the abundances of Sr and rare earth elements (REEs) in the matrices of five CV3 carbonaceous chondrites: Meteorite Hills (MET) 00430, MET 01070, La Paz ice field (LAP) 02206, Asuka (A) 881317 and Roberts Massif (RBT) 04143.
Kaori Jogo, Motoo Ito, Tomoki Nakamura, Sachio Kobayashi, Jong Ik Lee   +4 more
doaj   +1 more source

Data for: Siderophile Element Constraints on the Thermal History of the H Chondrite Parent body

, 2019
All data tables from "Siderophile Element Constraints on the Thermal History of the H Chondrite Parent body." Table 1 includes highly siderophile element abundances (in ppb) and 187Re-187Os systematics of H chondrite metal and nonmagnetic (NM1)
Archer, G (via Mendeley Data)
core   +3 more sources

Early planetesimal differentiation and late accretion shaped Earth’s nitrogen budget

Nature Communications
The relative roles of protoplanetary differentiation versus late accretion in establishing Earth’s life-essential volatile element inventory are being hotly debated.
Wenzhong Wang, Michael J. Walter, John P. Brodholt, Shichun Huang   +3 more
doaj   +1 more source

A Mineralogical Context for the Organic Matter in the Paris Meteorite Determined by A Multi-Technique Analysis

Life, 2019
This study is a multi-technique investigation of the Paris carbonaceous chondrite directly applied on two selected 500 × 500 µm² areas of a millimetric fragment, without any chemical extraction.
Manale Noun, Donia Baklouti, Rosario Brunetto, Ferenc Borondics, Thomas Calligaro, Zélia Dionnet, Louis Le Sergeant d’Hendecourt, Bilal Nsouli, Isabelle Ribaud, Mohamad Roumie, Serge Della-Negra   +10 more
doaj   +1 more source

Article on Haven chondrite

, 1952
Headline: "The Haven ...
Morley, Russell A.
core  

Photometric Analysis of Asteroids in the Phocaea Region

The Astronomical Journal
The Phocaea asteroid family, one of the large ancient families located in the inner main belt, may be the sources of near-Earth asteroids (NEAs) due to the nearby 3:1 mean motion resonance with Jupiter, the ν 6 secular resonance, and the Yarkovsky and ...
Xiaoyun Xu, Xiaobing Wang, Karri Muinonen, Shenghong Gu, Antti Penttilä, Fukun Xu, Leilei Sun, Jing Huang, Pengfei Zhang, Ao Wang   +9 more
doaj   +1 more source

Structure of the chondrules and the chemical composition of olivine in meteorite Jesenice

Geologija, 2013
This paper presents a mineralogical analysis of various chondrule types and chemical analysis of olivine indifferent parts of meteorite Jesenice. Quantitative energy-dispersive X-ray spectroscopy with a scanning electronmicroscope was used in the ...
Bojan Ambrožič, Sašo Šturm, Miha Jeršek, Breda Mirtič   +3 more
doaj   +1 more source