#LPSC2023
#LPSC2023
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Poster Session: Chondritic Parent Bodies and Their Components
Thursday, March 16, 2023, 6:30 PM
Town Center Exhibit Hall
Zolensky M.*
Ziegler K.
Le L.
Mikouchi T.
Masuda M.
et al.
Less-Altered CI Lithology in the Kaidun Meteorite Breccia
[#1409]
A less-altered CI lithology has been found in the Kaidun meteorite breccia.
A less-altered CI lithology has been found in the Kaidun meteorite breccia.
Martin P-E. M. C.*
Lee M. R.
Calcium-Aluminium-Rich Inclusion Abundance and Mineralogy Within CM Carbonaceous Chondrites
[#2844]
Why love CAIs? / These old weary travelers / Have stories to tell.
Why love CAIs? / These old weary travelers / Have stories to tell.
Han J.*
Matsuda N.
Liu M.-C.
Park C.
Keller L. P.
Al-Mg Isotopic Constraints on the Condensation Age of Fine-Grained Refractory Inclusions in Reduced CV3 Chondrites
[#2802]
We report Al-Mg isotopic data of fine-grained and fluffy Type A CAIs from CV3 chondrites to better establish the distribution of initial 26Al/27Al ratios.
We report Al-Mg isotopic data of fine-grained and fluffy Type A CAIs from CV3 chondrites to better establish the distribution of initial 26Al/27Al ratios.
Tsuruoka Y.*
Tachibana S.
Experimental Study of Effect of Recondensation on Type B CAI Formation in the Protosolar Disk
[#1399]
We found experimentally that recondensation of evaporated Mg and Si from type B CAI melt affects the formation condition of type B1 CAI-like melilite mantle.
We found experimentally that recondensation of evaporated Mg and Si from type B CAI melt affects the formation condition of type B1 CAI-like melilite mantle.
Martin P-E. M. C.*
King A. J.
Spratt J.
Daly L.
Lee M. R.
Chemical and Crystallographic Characterisation of Grossmanite-Bearing Calcium-Aluminium-Rich Inclusion Within the Winchcombe CM2 Carbonaceous Chondrite
[#2882]
Is that grossmanite? / It is! Wow! Let’s analyze! / A year of struggle.
Is that grossmanite? / It is! Wow! Let’s analyze! / A year of struggle.
Mueller J. M.*
Ehlmann B. L.
Rossman G. R.
Greenberger R. N.
Marquez R. T.
et al.
A Spectral Database of Calcium-Aluminum-Rich Inclusions and Applications to Asteroid Observations
[#1925]
We present infrared reflectance spectra for Calcium-Aluminum-rich inclusions.
We present infrared reflectance spectra for Calcium-Aluminum-rich inclusions.
De Gregorio B. T.*
Cody G. D.
Stroud R. M.
Sandford S. A.
Le Guillou C.
et al.
Variability of Organic Matter Across CI Chondrites and Ryugu
[#2866]
Carbonaceous grains in Orgueil and Alais have a limited range of organic functional group chemistry, unlike what has been reported from Ryugu grains.
Carbonaceous grains in Orgueil and Alais have a limited range of organic functional group chemistry, unlike what has been reported from Ryugu grains.
Fu R. R.
Steele S. C.*
Simon J. B.
Teague R.
Najita J.
et al.
Implications for Chondrule Formation Regions and Solar Nebula Magnetic Fields from Statistical Reanalysis of Chondrule Paleomagnetism
[#1757]
Considering the distribution, not just the mean, of chondrule paleointensities suggests formation at large disk radii, likely in fluctuating magnetic fields.
Considering the distribution, not just the mean, of chondrule paleointensities suggests formation at large disk radii, likely in fluctuating magnetic fields.
Baker E. B.*
Jones R. J.
Villeneuve J. V.
Halogen Abundances in the Early Solar System: Halogens in Chondrule Precursors, and Modifications During and After Chondrule Formation
[#2648]
We present novel SIMS data on F, Cl, Br and I in enstatite chondrite mesostasis. We infer low condensation temperatures and diffusively modified abundances.
We present novel SIMS data on F, Cl, Br and I in enstatite chondrite mesostasis. We infer low condensation temperatures and diffusively modified abundances.
Guigoz V.*
Seret A.
Portail M.
Libourel G.
Connolly H. C.
et al.
High Resolution Cathodoluminescence of Carbonates from the Cold Bokkeveld CM2 Chondrite: In Preparation for Study of OSIRIS-REx Asteroid Samples
[#1467]
SEM-CL is used to realize H-R images of carbonates in the CM chondrite Cold-Bokkeveld, revealing variations within materials that would be otherwise invisible.
SEM-CL is used to realize H-R images of carbonates in the CM chondrite Cold-Bokkeveld, revealing variations within materials that would be otherwise invisible.
Floyd C. J.*
Macante A.
Daly L.
Lee M. R.
Unravelling Petrofabrics in the Brecciated CM Chondrite Cold Bokkeveld
[#1477]
Despite many clasts / Similarities exist / One fabric through all?
Despite many clasts / Similarities exist / One fabric through all?
Tkalcec B. J.*
De Pauw E.
Lindner M.
Bazi B.
Vekemans B.
et al.
REE-Rich, Ca-Phosphate Rim Around a Phyllosilicate Nodule in the Winchchombe Carbonaceous Chondrite — Witness of Intense Aqueous Alteration on the Parent Body
[#1485]
We describe a Ca-phosphate rim around a phyllosilicate nodule in the Winchcombe CM carbonaceous chondrite that is also REE-enriched relative to the matrix.
We describe a Ca-phosphate rim around a phyllosilicate nodule in the Winchcombe CM carbonaceous chondrite that is also REE-enriched relative to the matrix.
Shirley K. A.*
Curtis R. J.
Bates H. C.
King A. J.
Bowles N. E.
et al.
Visible and Infrared Spectra Analysis of the Winchcombe Meteorite for Comparison to Planetary Surfaces
[#1490]
New meteorite / Tell us your spectral secrets / To find your brethren.
New meteorite / Tell us your spectral secrets / To find your brethren.
Jenkins L. E.*
Lee M. R.
Daly L.
King A. J.
Mildly Shocked Olivine in the Kolang CM Chondrite — Evidence Against Petrofabric Formation in a Single Impact
[#1526]
Kolang’s shock too low / To form its petrofabric / By single impact.
Kolang’s shock too low / To form its petrofabric / By single impact.
Jung J.*
Northrup P.
Glotch T. D.
Flynn G.
Flores L.
Microscale Heterogeneity of Sulfur Chemistry in Carbonaceous Chondrites: Microbeam XANES
[#2749]
Exploration of microscale heterogeneity of sulfur in multiple carbonaceous chondrites may improve our understanding of their formation and alteration processes.
Exploration of microscale heterogeneity of sulfur in multiple carbonaceous chondrites may improve our understanding of their formation and alteration processes.
Baziotis I.*
Ferrière L.
Ma C.
Hu J.
Palles D.
et al.
Compositional and Raman Study of High-Pressure Minerals in Shocked L6 Chondrite Northwest Africa 12841
[#1205]
Northwest Africa 12841 is a highly shocked L6 ordinary chondrite hosting eight high pressure minerals.
Northwest Africa 12841 is a highly shocked L6 ordinary chondrite hosting eight high pressure minerals.
Phelan N. D.*
Rai V. K.
Hines R.
Wadhwa M.
Titanium Isotope Anomalies in Carbonaceous Chondrites: Implications for Isotopic Heterogeneity in the Early Solar System
[#1396]
This work aims to better characterize the variability of the most neutron-rich Ti isotope (50-Ti) compositions within and among the carbonaceous chondrites.
This work aims to better characterize the variability of the most neutron-rich Ti isotope (50-Ti) compositions within and among the carbonaceous chondrites.
Lee M R.
Floyd C. J.*
Griffin S.
A Xenolith-Bearing Xenolith in the Cold Bokkeveld CM Carbonaceous Chondrite: A Window into Three Generations of Primitive Asteroids
[#1645]
A rock in a rock in a rock: a fascinating glimpse into the dynamics of the early protoplanetary disk.
A rock in a rock in a rock: a fascinating glimpse into the dynamics of the early protoplanetary disk.
Riveros E. M.*
Friedrich J. M.
Ebel D. S.
Examination of the Sizes and Shapes of Clasts in the Ivuna CI Chondrite
[#1670]
We use X-ray microCT to examine the 3D clast size and shape within the Ivuna CI chondrite. Clasts in the ~1-mm size range within Ivuna have an equant shape.
We use X-ray microCT to examine the 3D clast size and shape within the Ivuna CI chondrite. Clasts in the ~1-mm size range within Ivuna have an equant shape.
Jurewicz A. J. G.*
Burnett D. S.
Amarsi A. M.
Grevesse N.
Evidence CI Chondrite Compositions are Not Solar
[#1702]
Both CI/Photospheric and CI/Genesis elemental ratios become larger with decreasing condensation temperature, suggesting CI composition is not exactly solar.
Both CI/Photospheric and CI/Genesis elemental ratios become larger with decreasing condensation temperature, suggesting CI composition is not exactly solar.
McCubbin F. M.*
Lewis J. A.
Barnes J. J.
Boyce J. W.
Gross J.
et al.
Volatile Abundances of Apatite in CK and R Chondrites: Implications for Apatite Volatile Records in Oxidized and Thermally Altered Chondrite Parent Bodies
[#1730]
Water reservoirs / Oxidized chondrite records? / SIMS will reveal all.
Water reservoirs / Oxidized chondrite records? / SIMS will reveal all.
Queener M. G.*
Lunning N. G.
Fries M. D.
Jakubek R. S.
Peslier A. H.
Potential Discovery of Amphibole in Miller Range (MIL) 090292 via Raman Spectroscopy
[#1805]
This ungrouped carbonaceous chondrite breccia has evidence for a wide variety of parent body alteration conditions among its clasts.
This ungrouped carbonaceous chondrite breccia has evidence for a wide variety of parent body alteration conditions among its clasts.
Flores L.*
Glotch T. D.
Northrup P.
Muñoz A.
Jung J.
et al.
Correlated Micro-Scale Analyses of Four CM2 and C2 Ungrouped Carbonaceous Chondrites
[#1853]
Using various techiniques, we acquire RGB maps and spectra at various spatial scales of two CM2 meteorites and two C-ungrouped meteorites.
Using various techiniques, we acquire RGB maps and spectra at various spatial scales of two CM2 meteorites and two C-ungrouped meteorites.
Baliyan S.*
Ray D.
Petrographic and Mineralogical Characteristics of Calcium-Rich Carbonates in CM Chondrites
[#2385]
In this study we analysed the carbonates present in CM-type meteorites in order to analyze the microenvironmental conditions during the aqueous alteration.
In this study we analysed the carbonates present in CM-type meteorites in order to analyze the microenvironmental conditions during the aqueous alteration.
Dobrică E.*
Nuth J. A.
Brearley A. J.
Constraints in the Formation Conditions of FeO-Rich Olivines
[#2329]
Pure fayalite forms / Yet no MgO-rich olivine / Hint diffusion.
Pure fayalite forms / Yet no MgO-rich olivine / Hint diffusion.
Righter K.*
Busemann H.
Eckart L. M.
Alexander C.
Foustoukos D.
et al.
Cosmic Ray Exposure Ages, Bulk and Isotopic H, C, and N Compositions of Dominion Range (DOM) CO3 Carbonaceous Chondrites and Implications for Pairing
[#2139]
CO chondrites from the Dominion Range represent a wide range of ages and petrologic types.
CO chondrites from the Dominion Range represent a wide range of ages and petrologic types.
Yamamoto D.*
Takigawa A.
Tachibana S.
An Experimental Study on Evaporation of Silicon Carbide in a Low-Pressure Hydrogen-Water Vapor Gas Mixture
[#1129]
Presolar SiC could survive more efficiently than presolar silicates but would evaporate before the O-isotope exchange of presolar corundum in the disks.
Presolar SiC could survive more efficiently than presolar silicates but would evaporate before the O-isotope exchange of presolar corundum in the disks.
*presenter
