Minor/major element variation within and among diogenite and howardite orthopyroxenite groups
Abstract— Diogenites are orthopyroxenites that may contain chromite and olivine as accessory minerals. Howardite breccias contain orthopyroxenite clasts with similar properties compared to monomict diogenites. We used statistical methods and variation plots of major and minor elements in orthopyroxe...
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crwiley:10.1111/j.1945-5100.1992.tb00220.x 2023-12-03T10:12:45+01:00 Minor/major element variation within and among diogenite and howardite orthopyroxenite groups Berkley, John L. Boynton, Nancy J. 1992 http://dx.doi.org/10.1111/j.1945-5100.1992.tb00220.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1945-5100.1992.tb00220.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1945-5100.1992.tb00220.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Meteoritics volume 27, issue 4, page 387-394 ISSN 0026-1114 General Earth and Planetary Sciences General Environmental Science journal-article 1992 crwiley https://doi.org/10.1111/j.1945-5100.1992.tb00220.x 2023-11-09T14:19:15Z Abstract— Diogenites are orthopyroxenites that may contain chromite and olivine as accessory minerals. Howardite breccias contain orthopyroxenite clasts with similar properties compared to monomict diogenites. We used statistical methods and variation plots of major and minor elements in orthopyroxene and chromite to show whether or not howardite orthopyroxenites are related to monomict diogenites, and to assess their petrogenesis. Our results fail to establish any evidence that monomict diogenites are significantly different from howardite orthopyroxenites in terms of major and minor elements. We also found no differences between Antarctic diogenites and non‐Antarctic diogenites. Although element variation plots show compelling evidence that most diogenites originated by igneous fractionation, linear trends among the various diogenites and howardite orthopyroxenite clasts are either non‐existent or ill‐defined. This militates against an origin from a single magma body, but suggests an origin from multiple magma bodies in the parent planetoid. Article in Journal/Newspaper Antarc* Antarctic Wiley Online Library (via Crossref) Antarctic Meteoritics 27 4 387 394 |
institution |
Open Polar |
collection |
Wiley Online Library (via Crossref) |
op_collection_id |
crwiley |
language |
English |
topic |
General Earth and Planetary Sciences General Environmental Science |
spellingShingle |
General Earth and Planetary Sciences General Environmental Science Berkley, John L. Boynton, Nancy J. Minor/major element variation within and among diogenite and howardite orthopyroxenite groups |
topic_facet |
General Earth and Planetary Sciences General Environmental Science |
description |
Abstract— Diogenites are orthopyroxenites that may contain chromite and olivine as accessory minerals. Howardite breccias contain orthopyroxenite clasts with similar properties compared to monomict diogenites. We used statistical methods and variation plots of major and minor elements in orthopyroxene and chromite to show whether or not howardite orthopyroxenites are related to monomict diogenites, and to assess their petrogenesis. Our results fail to establish any evidence that monomict diogenites are significantly different from howardite orthopyroxenites in terms of major and minor elements. We also found no differences between Antarctic diogenites and non‐Antarctic diogenites. Although element variation plots show compelling evidence that most diogenites originated by igneous fractionation, linear trends among the various diogenites and howardite orthopyroxenite clasts are either non‐existent or ill‐defined. This militates against an origin from a single magma body, but suggests an origin from multiple magma bodies in the parent planetoid. |
format |
Article in Journal/Newspaper |
author |
Berkley, John L. Boynton, Nancy J. |
author_facet |
Berkley, John L. Boynton, Nancy J. |
author_sort |
Berkley, John L. |
title |
Minor/major element variation within and among diogenite and howardite orthopyroxenite groups |
title_short |
Minor/major element variation within and among diogenite and howardite orthopyroxenite groups |
title_full |
Minor/major element variation within and among diogenite and howardite orthopyroxenite groups |
title_fullStr |
Minor/major element variation within and among diogenite and howardite orthopyroxenite groups |
title_full_unstemmed |
Minor/major element variation within and among diogenite and howardite orthopyroxenite groups |
title_sort |
minor/major element variation within and among diogenite and howardite orthopyroxenite groups |
publisher |
Wiley |
publishDate |
1992 |
url |
http://dx.doi.org/10.1111/j.1945-5100.1992.tb00220.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1945-5100.1992.tb00220.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1945-5100.1992.tb00220.x |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
Meteoritics volume 27, issue 4, page 387-394 ISSN 0026-1114 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1945-5100.1992.tb00220.x |
container_title |
Meteoritics |
container_volume |
27 |
container_issue |
4 |
container_start_page |
387 |
op_container_end_page |
394 |
_version_ |
1784259363256401920 |