Petrographic and chemical characterization and carbon and nitrogen isotopic compositions of cometary IDPs and their GEMS amorphous silicatesOPEN ACCESS
Birgit Schulz, Christian Vollmer, Jan Leitner, Lindsay P. Keller , Quentin M. Ramasse Geochimica et Cosmochimica ActaAvailable online 19 June 2024 LINK (OPEN ACCESS) “GEMS (glass with embedded metal and sulfides) are the dominant carrier…
On the provenance of GEMS, a quarter century post discovery
John P. Bradley, Hope A. Ishii, Karen Bustillo, James Ciston, Ryan Ogliore, Thomas Stephan, Donald E. Brownlee, David J. Joswiak Geochimica et Cosmochimica ActaAvailable online 5 July 2022In Press, Journal Pre-proof LINK “The provenance of…
Three-dimensional observation of GEMS grains: Their high-temperature condensation origin
Junya MATSUNO, Akira TSUCHIYAMA, Akira MIYAKE, Keiko NAKAMURA-MESSENGER, Scott MESSENGER Geochimica et Cosmochimica ActaAvailable online 5 January 2022 LINK “Highlights • Three dimensional observations on GEMS grains in CP-IDPs by TEM-tomography.• High textual similarity with…
Condensation of cometary silicate dust using an induction thermal plasma system I. Enstatite and CI chondritic compositionOPEN ACCESS
T. H. Kim, A. Takigawa, A. Tsuchiyama, J. Matsuno, S. Enju, H. Kawano, H. Komaki PDF (OPEN ACCESS) “Glass with embedded metal and sulfides (GEMS) is a major component of chondritic porous interplanetary dust particles….
Search for meteoritic GEMS I: Comparison of amorphous silicates in Paris and Acfer 094 chondrite matrices and in anhydrous chondritic interplanetary dust particlesOPEN ACCESS
Kenta K. Ohtaki, Hope A. Ishii, John P. Bradley, Krysten L. Villalon, Andrew M. Davis, Thomas Stephan, Karen C. Bustillo, Jim Ciston Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 27 May 2021 LINK…
Search for meteoritic GEMS II: Comparison of inclusions in amorphous silicates from the Paris chondrite and from anhydrous chondritic interplanetary dust particles
K.L. Villalon, K.K. Ohtaki, J.P. Bradley, H.A. Ishii, A.M. Davis, T. Stephan Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 May 2021 LINK “Amorphous silicates containing abundant nano-inclusions have been reported in the…
A Nanoscale Analytical STEM Study of the Paris Meteorite
Villalon K. L., Bradley J. P., Ishii H. A., Ohtaki K. K., Davis A. M., Stephan T. 82nd Annual Meeting of The Meteoritical Society 2019 PDF abstract “Paris is considered to be the least altered…



































