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Poster Session: Primitive Parent Bodies and Protoplanetary Disk: Laboratory Studies, Modeling and Experimentation

Thursday, March 16, 2023, 6:30 PM
Town Center Exhibit Hall

Grant H.* Tartèse R. Piani L. Jones R. H. Marrocchi Y.
In Situ Analysis of the H Isotope Composition of Water in the Matrix of Unequilibrated Ordinary Chondrites [#1462]
We used EPMA and SIMS to determine the composition and D/H ratios of fine-grained matrices in UOCs, with a focus on determining water D/H.
Jetoo D. N. Malecek L. C. Friedrich J. M.* Rivers M. L.
Examining the Extreme Petrofabrics of the Ordinary Chondrite Impact Melt Rocks LaPaz Icefield 031125 and Larkman Nunatak 06299 [#1631]
LAP 031125 = planar petrofabric, LAR 06299,28 = prominent lineation. Rapidly-cooled impact melt rocks retain a petrofabric record of their deformation.
Welzenbach L. C.* Fries M. D. Costin G. Greenwood R. C. Cooke W. J. et al.
The Cranfield Meteorite: An H3-5 (Regolith?) Breccia [#2860]
Road trip to Mississippi. Meteorites bullseye road. New breccia to explore.
Park C.* Park S. Y. Kim H. Lee J. I.
Elephant Moraine 14017: A New Primitive Ordinary Chondrite from Antarctica [#2724]
Based on the Cr2O3 content in ferroan olivines and Raman spectral data obtained from marix, EET 14017 is a LL3.05–3.10.
Karageozian M. E.* Sharp T. McDonald C.
Interpreting the 40Ar/39Ar Ages of Ancient Ordinary Chondrites: A Cautionary Tale with Implications for 40Ar/39Ar Dating of All Shocked Meteorites [#2257]
We use UVLAMP 40Ar/39Ar dating and detailed microscopy to interpret the shock ages of ancient ordinary chondrites and document their K and Ar behavior.
Niihara T.* Tuduki Y. Misawa K. Yokoyama T. Yoneda S.
Petrology and Mineralogy of the Beardsley H5 Chondrite: Implications for Impact Melting [#2052]
We conduct petrological and mineralogical study for the Beardsley chondrite, especially to clarify secondary effect(s) and distribution of alkaline elements.
Almas K. S.* Walker R. J.
Exploration of Methods to Remove Terrestrial Highly Siderophile Element Contamination from Desert Meteorites [#2625]
Is this osmium / From Earth or solar neb’la? / Let’s leach and find out.
Anderson S. L.* Devillepoix H. A. R. Tomkins A. G. Brand H. E. A. Tait A. et al.
Meteor(ology/itics) Unite!: Multi-Instrument-Enabled Discovery of a New Orbitally-Constrained Meteorite Strewn Field [#1884]
We report the recovery of an orbitally-constrained meteorite strewn field using Earth-observing satellite data, weather radar anomalies, and drones and machine learning.
Weisberg M. K.* Kimura M. Zolensky M. E. Gray M. L. Ebel D. S.
Primary and Secondary Diversity Among Enstatite Chondrites and Implications for Their Parent Bodies [#1145]
Enstatite chondrites show a wide range of diversity in both their primary and secondary petrologic features, suggesting interaction with ices and metasomatism.
Gray M. L.* Weisberg M. K. Alexander C. M. O'D. Wang J. Foustoukos D. I. et al.
H, N, C Abundances and Isotopic Compositions of Enstatite Meteorites and Implications for Earth's Volatile Inventory [#1171]
To better understand what materials represent Earth’s volatile carriers, we studied the bulk H, N, C content and isotopic composition of enstatite meteorites.
Irving A. J.* Greshake A. Carpenter P. K. Boesenberg J. S. Ibarra D. E.
Evidence for a Previously Unrecognized Non-Carbonaceous Chondritic Parent Body from Petrologic and Oxygen Isotopic Studies of Ungrouped Mg-Rich Chondrite Northwest Africa 15468 [#2309]
We characterize a low-FeO equilibrated chondrite specimen containing Fa8.5 olivine that is isotopically distinct from familiar ordinary chondrites.
Etheridge E. E.* Anzures B. A. Dygert N. Goodrich C. A. McCubbin F. M. et al.
Thermal Evolution of Enstatite Chondrite and Aubrite Parent Bodies: Constraints from Silicate Geothermometry [#2590]
How was body formed? / Onion shell is one / Fragmentation the other.
Nie N. X.* Chen X.-Y. Zhang Z. Hu J. Liu W. et al.
Rb and K Isotopic Variations in Non-Carbonaceous Chondrites and Mars [#1755]
Non-carbonaceous chondrites display large Rb and K isotopic variations, which are probably caused by thermal diffusion during parent-body metamorphism.
Driscoll E.* Bullock E. S. Jordan M. K. Mock T. D. Vitale S. M. et al.
Exploring the Mineralogy, Petrology, and Isotopic Compositions of Gibeon and Northwest Africa (NWA) 4759 (CV3) Through Multiple Analysis Techniques [#1101]
The compositions, degrees of terrestrial alteration, and planetary origins of Gibeon and NWA 4759 (CV3) were investigated using multiple analysis techniques.
Boyce J. W.* Dudley J. M. Thompson D.
Testing and Application of Commercial Thermodynamics Software for Solid-Gas Equilibria in Planetary Science [#1118]
Thermodynamics! / Yes you friend! You can build your / Own solar system!
Jakubek R. S.* Fries M. D.
Raman Imaging the Spatial Distribution and Microstructure of Insoluble Organic Matter in Carbonaceous Meteorites [#2992]
We use Raman imaging to show that meteoritic IOM is heterogeneous and spatially zoned with implications on parent body formation and alteration.
Hoover C. G.* Garvie L. A. J. Cotto-Figueroa D. Asphaug E.
Nano-Indentation of Smectite- and Serpentine-Rich Carbonaceous Chondrites [#2986]
Comparing in mechanical response of serpentine and smectite clay matrices in carbonaceous chondrites.
Ostrowski D. R.* Haskins J. B.
High Temperature Thermal Conductivity of Carbonaceous Chondrites and the Relationship to Meteor Atmospheric Entry [#2381]
Thermal conductivity of carbonaceous chondrites measured from 300 to 800 K. Thermal conductivity used to conduct atmospheric entry surface temperature simulations.
Hu Z. W.* Winarski R. P.
Evidence for the Presence of Aligned Interstellar Magnetite Core-Dirty Mantle Grains in the Solar Nebula and Its Implications for Planetesimal Growth [#2633]
We report the discovery of a “primordial” astrobinary and aligned elongated composite grains in a primitive IDP and discuss implications for planetesimal growth.
Sidhu S.* Applin D. Cloutis E. A. Maturilli A. Alemanno G. et al.
Heating Saponite, Serpentine, and a Carbonaceous Chondrite Spectral Analogue Under Vacuum to Track the Spectral Variability of the 2.7 µm Band. [#1617]
We heated saponite, serpentine, and a carbonaceous chondrite spectral analogue under vacuum to track the effects of heating on their spectroscopic properties.
Sakurai R.* Yamamoto D. Takigawa A. Tachibana S.
Crystallization Kinetics of Amorphous Ferromagnesian Silicate with Olivine-Like Composition [#2011]
Amorphous silicate dust with olivine composition (Mg#~50) crystallizes ~100 K lower than amorphous silicate with forsterite composition in protoplanetary disks.
Umurhan O. M.* Estrada P. R. Sengupta D.
Evidence for Turbulent Concentration in Particle-Laden Mid Plane Layers of Planet-Forming Disks: Preliminary Findings [#2868]
Making planetesimals during the solar nebula’s first million years remains tricky. We have theoretical evidence that turbulent concentration could do the job!
Haller R. L. H.* Lee M. R. L.
Formation Conditions of Carbonates in CM Chondrites Evaluated by Equilibrium Modelling [#1484]
A PHREEQC model was created to evaluate the effects of W/R ratio, temperature, and fluid concentration on CM aqueous alteration.
Yap T. E.* Tissot F. L. H.
Ryugu/CI Chondrites as an Endmember Composition of the CC Reservoir and an Illustrative Mixing Model for Cr, Ti, and Fe Isotopic and Elemental Compositions of CC Chondrites [#1902]
Ryugu/CI chondrites belong to the CC reservoir, and may constitute a primordial nebular component mixed with NC- and CAI-like material to form CC chondrites.
Tang H.* Young E. D. Macris C. A. Hogan A. A. Shollenberger Q. R.
Experimental and Theoretical Demonstration of the Potential Importance of Gas Flow for Controlling Isotope Fractionation During Evaporation of “Pebbles” [#2107]
We report results of evaporation experiments in a levitation system to show the impact of the gas during evaporation and its application on planetary accretion.
Ishizaki L.* Tachibana S. Ida S. Okamoto T. Yamamoto D.
Prediction of Reaction Lines in a Protoplanetary Disk: 3D Monte Carlo Simulation [#1394]
The prediction equation of “reaction lines” for various irreversible reactions of dust in protoplanetary disks was developed by 3D Monte Carlo simulations.
Bermingham K. R.* Meyer B. S.
Constraints on the Stellar Precursors of the Solar System: A Quantitative Comparison of Nucleosynthetic Isotope Anomalies and NRLEE Ejecta [#2050]
Can an NRLEE event produce the stardust that underpins correlated µ48Ca, µ46Ti, µ50Ti, µ54Cr isotope anomalies, the backbone of the NC-CC isotopic dichotomy?