C. M. O'd. Alexander

19.5k citations

425 papers · 12.4k indexed · 2 hit papers · h-index 66

Co-authors: L. R. Nittler George D. Cody Marilyn L. Fogel Jianhua Wang K. T. Howard R. M. Stroud H. Busemann R. Bowden
Topics: Astro and Planetary Science (341 papers)Isotope Analysis in Ecology (128 papers)Planetary Science and Exploration (125 papers)
Cited by: Astronomy and Astrophysics Geophysics Ecology
Journals: Nature Science Proceedings of the National Academy of Sciences
Partner nations: United States United Kingdom Germany

In The Last Decade

C. M. O'd. Alexander

406 papers receiving 12.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The Provenances of Asteroids, and Their Contributions to the Volatile Inventories of the Terrestrial Planets

2012 475 citations C. M. O'd. Alexander, R. Bowden et al. profile →
The origin and evolution of chondrites recorded in the elemental and isotopic compositions of their macromolecular organic matter

2007 472 citations C. M. O'd. Alexander, George D. Cody et al. Geochimica et Cosmochimica Acta profile →

Peers

Countries citing papers authored by C. M. O'd. Alexander

Since Specialization

Citations

This map shows the geographic impact of C. M. O'd. Alexander's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by C. M. O'd. Alexander with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites C. M. O'd. Alexander more than expected).

Fields of papers citing papers by C. M. O'd. Alexander

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by C. M. O'd. Alexander. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by C. M. O'd. Alexander. The network helps show where C. M. O'd. Alexander may publish in the future.

Co-authorship network of co-authors of C. M. O'd. Alexander

This figure shows the co-authorship network connecting the top 25 collaborators of C. M. O'd. Alexander. A scholar is included among the top collaborators of C. M. O'd. Alexander based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with C. M. O'd. Alexander. C. M. O'd. Alexander is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	A common isotopic reservoir for amoeboid olivine aggregates (AOAs) and calcium-aluminum-rich inclusions (CAIs) revealed by Ti and Cr isotopic compositions 2024 ·Earth and Planetary Science Letters ·(unknown),C. M. O'd. Alexander,Richard W. Carlson,Jan Render,G. A. Brennecka,E. S. Bullock	14
2	Micro‐ and nanoscale studies of insoluble organic matter and C‐rich presolar grains in Murchison and Sutter's Mill in preparation for Bennu sample analysis 2024 ·Meteoritics and Planetary Science ·A. N. Nguyen,S. J. Clemett,Cristina A. Thomas,C. M. O'd. Alexander,D. P. Glavin,Jason P. Dworkin,H. C. Connolly,D. S. Lauretta	0
3	Reassessing the proposed “CY chondrites”: Evidence for multiple meteorite types and parent bodies from Cr-Ti-H-C-N isotopes and bulk elemental compositions 2024 ·Geochimica et Cosmochimica Acta ·D. L. Schrader,(unknown),Dionysis I. Foustoukos,C. M. O'd. Alexander,Jan Render,G. A. Brennecka	6
4	The nature of insoluble organic matter in Sutter's Mill and Murchison carbonaceous chondrites: Testing the effect of x‐ray computed tomography and exploring parent body organic molecular evolution 2023 ·Meteoritics and Planetary Science ·George D. Cody,C. M. O'd. Alexander,Dionysis I. Foustoukos,H. Busemann,S. A. Eckley,Aaron S. Burton,E. L. Berger,Michel Nuevo,Scott A. Sandford,D. P. Glavin,Jason P. Dworkin,H. C. Connolly,D. S. Lauretta	5
5	The potassium isotopic composition of CI chondrites and the origin of isotopic variations among primitive planetary bodies 2023 ·Geochimica et Cosmochimica Acta ·Piers Koefoed,Jean‐Alix Barrat,O. V. Pravdivtseva,C. M. O'd. Alexander,K. Lodders,R. C. Ogliore,Kun Wang	10
6	Degassing of early-formed planetesimals restricted water delivery to Earth 2023 ·Nature ·Megan Newcombe,Sune G. Nielsen,(unknown),Jianhua Wang,C. M. O'd. Alexander,Adam Sarafian,Kei Shimizu,L. R. Nittler,A. J. Irving	33
7	The H content of aubrites: An evaluation of bulk versus in situ methods for quantifying water in meteorites 2023 ·Earth and Planetary Science Letters ·(unknown),Megan Newcombe,C. M. O'd. Alexander,Jianhua Wang,Frieder Klein,David V. Bekaert,Sune G. Nielsen	11
8	Re-examining thermal metamorphism of the Renazzo-like (CR) carbonaceous chondrites: Insights from pristine Miller Range 090657 and shock-heated Graves Nunataks 06100 2019 ·Geochimica et Cosmochimica Acta ·J. Davidson,D. L. Schrader,C. M. O'd. Alexander,(unknown),R. Bowden	22
9	Stellar Origins of Extremely 13C- and 15N-enriched Presolar SiC Grains: Novae or Supernovae 2016 ·Repository of the Academy's Library (Library of the Hungarian Academy of Sciences) ·Nan Liu,L. R. Nittler,C. M. O'd. Alexander,Jianhua Wang,M. Pignatari,J. José,A. N. Nguyen	42
10	Are Radicals the Carriers of D in IOM 2015 ·Lunar and Planetary Science Conference ·C. M. O'd. Alexander,Mark J. Nilges,George D. Cody,(unknown)	1
11	TRANSMISSION ELECTRON MICROSCOPY ANALYSIS OF A PRESOLAR SPINEL GRAIN. 2009 ·LPI ·T. J. Zega,C. M. O'd. Alexander,L. R. Nittler,R. M. Stroud	1
12	An Abundant Mix of Presolar Matter in the Highly Primitive CR Chondrite QUE 99177 2008 ·M&PSA ·A. N. Nguyen,C. M. O'd. Alexander,L. R. Nittler	3
13	Osmium Isotopic Anomalies of Insoluble Organic Matter in Chondrites 2008 ·LPI ·Tetsuya Yokoyama,C. M. O'd. Alexander,R. J. Walker	2
14	On the asymptotic giant branch star origin of peculiar spinel grain OC2 2006 ·Springer Link (Chiba Institute of Technology) ·Maria Lugaro,Amanda I. Karakas,L. R. Nittler,C. M. O'd. Alexander,P. Höppe,C. Iliadis,John C. Lattanzio	21
15	Quantitative Study of Ether Group Molecules in Insoluble Organic Matter from Carbonaceous Chondrites by CuO-NaOH Selective Degradation 2006 ·37th Annual Lunar and Planetary Science Conference ·Hikaru Yabuta,George D. Cody,C. M. O'd. Alexander	1
16	Extensive microscale N isotopic heterogeneity in chondritic organic matter 2005 ·Open Research Online (The Open University) ·L. R. Nittler,P. Höppe,C. M. O'd. Alexander,H. Busemann,George D. Cody	1
17	Mass Fractionation of Fe and Ni Isotopes in Metal in Hammadah Al Hamrah 237 2004 ·Meteoritics and Planetary Science Supplement ·C. M. O'd. Alexander,R. H. Hewins	11
18	New Insights into the Chemistry of Murchison Organic Macromolecule Using High Field 13C Solid State NMR 1999 ·Lunar and Planetary Science Conference ·George D. Cody,C. M. O'd. Alexander,F. Tera	2
19	Shock Metamorphic Features in Lithologies A, B, and C of Martian Meteorite Elephant Moraine 79001 1998 ·Meteoritics and Planetary Science Supplement ·N. Z. Boctor,(unknown),C. M. Bertka,C. M. O'd. Alexander,E. H. Hauri	1
20	Chondrule rims and interchondrule matrix in UOC 1984 ·Meteoritics and Planetary Science ·C. M. O'd. Alexander,R. Hutchison,D. J. Barber	2

About C. M. O'd. Alexander

C. M. O'd. Alexander is a scholar working on Astronomy and Astrophysics, Geophysics and Ecology, having authored 425 papers that have together received 12.4k indexed citations. Recurring topics across this work include Astro and Planetary Science (341 papers), Isotope Analysis in Ecology (128 papers) and Planetary Science and Exploration (125 papers). The work is most often cited by research in Astronomy and Astrophysics (11.2k citations), Geophysics (3.8k citations) and Ecology (3.3k citations). C. M. O'd. Alexander has collaborated with scholars based in United States, United Kingdom and Germany. Frequent co-authors include L. R. Nittler, George D. Cody, Marilyn L. Fogel, Jianhua Wang, K. T. Howard, R. M. Stroud, H. Busemann, R. Bowden, E. Zinner and D. J. Barber. Their work appears in journals such as Nature, Science and Proceedings of the National Academy of Sciences.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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