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Poster Session 1: Disk Evolution, Chronology, and Isotope Anomalies
Tuesday, July 30, 2024, 5:30 PM
Marble Room
Williams N. H.*
Craig G.
Pfeifer M.
Bouman C.
Lloyd N. S.
High Precision Isotope Ratio Analysis for Cosmochemistry Applications Using the Thermo Scientific Neoma MC-ICP-MS
[#6292]
The Neoma MC-ICP-MS offers enhanced sensitivity, stability, and precision for isotope cosmochemistry applications. This study demonstrates its superior performance in measuring iron, copper, zinc, and tungsten isotopes.
The Neoma MC-ICP-MS offers enhanced sensitivity, stability, and precision for isotope cosmochemistry applications. This study demonstrates its superior performance in measuring iron, copper, zinc, and tungsten isotopes.
Cabrita D. G. C.*
Debaille V.
Goderis S.
Decrée S.
The Chemical and Chronological Al-Mg Record of Achondrites: Clues to Understanding Early Solar System Formation
[#6344]
The main goal of this work is to obtain better constraints on the crystallization history and the chronological evolution of achondrite samples by measuring their trace element compositions, Al-Mg ratios and Mg isotope ratios.
The main goal of this work is to obtain better constraints on the crystallization history and the chronological evolution of achondrite samples by measuring their trace element compositions, Al-Mg ratios and Mg isotope ratios.
Futó P.*
Gucsik A.
Micro-Raman Spectroscopy of Silicate Phases of the Kaba Meteorite
[#6456]
The Raman study describes Mg–rich, Ca – and Al–bearing silicates in the Kaba meteorite to understand more about the crystallization process in the early solar system.
The Raman study describes Mg–rich, Ca – and Al–bearing silicates in the Kaba meteorite to understand more about the crystallization process in the early solar system.
Grant H.*
Tartèse R.
Jones R. H.
Brearley A.
Piani L.
et al.
Composition of Water and Identification of the H-Anomalous Phase in Unequilibrated Ordinary Chondrites
[#6423]
Unequilibrated ordinary chondrites of the lowest subtypes contain an extremely D-rich (δD > 6,000‰), as-of-yet unidentified phase in their matrix. NanoSIMS and TEM co-analysis suggests this may be primitive amorphous silicates.
Unequilibrated ordinary chondrites of the lowest subtypes contain an extremely D-rich (δD > 6,000‰), as-of-yet unidentified phase in their matrix. NanoSIMS and TEM co-analysis suggests this may be primitive amorphous silicates.
Ebert S.*
Nagashima K.
Krot A. N.
Bischoff A.
Multi-Isotope In-Situ Study Reveals Two Isotopically Distinct Populations of Refractory Inclusions Within the EHa3 Chondrite Sahara 97072
[#6034]
Two different populations of refractory inclusions, "normal" and PLAC-like, are identified in the EHa3 enstatite chondrite Sahara 97072 based on their O, Al-Mg, Ca, and Ti isotopic compositions.
Two different populations of refractory inclusions, "normal" and PLAC-like, are identified in the EHa3 enstatite chondrite Sahara 97072 based on their O, Al-Mg, Ca, and Ti isotopic compositions.
Masuda Y.*
Yokoyama T.
Relationship of Nucleosynthetic Isotope Anomalies Among Multiple Elements in Refractory Inclusions Found Within CV Chondrites
[#6062]
Nucleosynthetic isotope anomalies for multiple elements (Ca, Ti, Cr, Sr) from fine-grained CAIs (FGs) were compared. Results suggest the presence of at least three isotopic reservoirs at FG formation sites.
Nucleosynthetic isotope anomalies for multiple elements (Ca, Ti, Cr, Sr) from fine-grained CAIs (FGs) were compared. Results suggest the presence of at least three isotopic reservoirs at FG formation sites.
*presenter
