Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, México
The Escalón meteorite, a crusted mass weighing 54.3 g, was recovered near Zona del Silencio in Escalón, state of Chihuahua, México. The stone is an ordinary chondrite belonging to the high iron group H, type 4. Electron microprobe analyses of olivine (Fa18.1) and pyroxene (Fs16.5), phosphate, plagio...
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| Format: | Article |
| Language: | English |
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Universidad Nacional Autónoma de México
2018-02-01
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| Series: | Revista Mexicana de Ciencias Geológicas |
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| Online Access: | https://rmcg.unam.mx/index.php/rmcg/article/view/730 |
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| author | Adela M. Reyes-Salas Gerardo Sánchez-Rubio Patricia Altuzar-Coello Fernando Ortega-Gutiérrez Daniel Flores-Gutiérrez Karina Cervantes-de la Cruz Eugenio Reyes Carlos Linares |
| author_facet | Adela M. Reyes-Salas Gerardo Sánchez-Rubio Patricia Altuzar-Coello Fernando Ortega-Gutiérrez Daniel Flores-Gutiérrez Karina Cervantes-de la Cruz Eugenio Reyes Carlos Linares |
| author_sort | Adela M. Reyes-Salas |
| collection | DOAJ |
| description | The Escalón meteorite, a crusted mass weighing 54.3 g, was recovered near Zona del Silencio in Escalón, state of Chihuahua, México. The stone is an ordinary chondrite belonging to the high iron group H, type 4. Electron microprobe analyses of olivine (Fa18.1) and pyroxene (Fs16.5), phosphate, plagioclase, opaque phases, matrix and chondrule glasses are presented. The metal phases present are kamacite (6.08 % Ni), taenite (31.66 % Ni), high nickel taenite (50.01 % Ni) and traces of native Cu. The chondrules average apparent diameter measures 0.62 mm. X-ray diffraction pattern shows olivine, pyroxene and kamacite. Alkaline-type glass is found mainly in chondrules. This meteorite is a stage S3, shock-blackened chondrite with weathering grade W0.
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| format | Article |
| id | doaj-art-8b9fda8a6e414312af683eb4ba12bccf |
| institution | DOAJ |
| issn | 1026-8774 2007-2902 |
| language | English |
| publishDate | 2018-02-01 |
| publisher | Universidad Nacional Autónoma de México |
| record_format | Article |
| series | Revista Mexicana de Ciencias Geológicas |
| spelling | doaj-art-8b9fda8a6e414312af683eb4ba12bccf2025-08-20T03:20:29ZengUniversidad Nacional Autónoma de MéxicoRevista Mexicana de Ciencias Geológicas1026-87742007-29022018-02-01271Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, MéxicoAdela M. Reyes-Salas0Gerardo Sánchez-Rubio1Patricia Altuzar-Coello2Fernando Ortega-Gutiérrez3Daniel Flores-Gutiérrez4Karina Cervantes-de la Cruz5Eugenio Reyes6Carlos Linares7Universidad Nacional Autónoma de México, Instituto de Geología, Del. Coyoacán, 04510 México D.F., Mexico.Universidad Nacional Autónoma de México, Instituto de Geología, Del. Coyoacán, 04510 México D.F., Mexico.Universidad Nacional Autónoma de México, Centro de Investigación en Energía, Campus Temixco, Priv. Xochicalco s/n, 62580 Temixco Morelos, Mexico.Universidad Nacional Autónoma de México, Instituto de Geología, Del. Coyoacán, 04510 México D.F., Mexico.Universidad Nacional Autónoma de México, Instituto de Astronomía, Del. Coyoacán, 04510 México D.F., Mexico.Universidad Nacional Autónoma de México, Instituto de Geología, Del. Coyoacán, 04510 México D.F., Mexico.Universidad Nacional Autónoma de México, Facultad de Química, Del. Coyoacán, 04510 México D.F., Mexico.Universidad Nacional Autónoma de México, Instituto de Geofísica, Del. Coyoacán, 04510 México D.F., Mexico.The Escalón meteorite, a crusted mass weighing 54.3 g, was recovered near Zona del Silencio in Escalón, state of Chihuahua, México. The stone is an ordinary chondrite belonging to the high iron group H, type 4. Electron microprobe analyses of olivine (Fa18.1) and pyroxene (Fs16.5), phosphate, plagioclase, opaque phases, matrix and chondrule glasses are presented. The metal phases present are kamacite (6.08 % Ni), taenite (31.66 % Ni), high nickel taenite (50.01 % Ni) and traces of native Cu. The chondrules average apparent diameter measures 0.62 mm. X-ray diffraction pattern shows olivine, pyroxene and kamacite. Alkaline-type glass is found mainly in chondrules. This meteorite is a stage S3, shock-blackened chondrite with weathering grade W0. https://rmcg.unam.mx/index.php/rmcg/article/view/730chondriteH4 typeelectron microprobe analysesChihuahuaMexico |
| spellingShingle | Adela M. Reyes-Salas Gerardo Sánchez-Rubio Patricia Altuzar-Coello Fernando Ortega-Gutiérrez Daniel Flores-Gutiérrez Karina Cervantes-de la Cruz Eugenio Reyes Carlos Linares Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, México Revista Mexicana de Ciencias Geológicas chondrite H4 type electron microprobe analyses Chihuahua Mexico |
| title | Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, México |
| title_full | Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, México |
| title_fullStr | Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, México |
| title_full_unstemmed | Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, México |
| title_short | Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, México |
| title_sort | petrography and mineral chemistry of escalon meteorite an h4 chondrite mexico |
| topic | chondrite H4 type electron microprobe analyses Chihuahua Mexico |
| url | https://rmcg.unam.mx/index.php/rmcg/article/view/730 |
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