{"title":"ALH 84001对我们了解火星起源和演化的影响","authors":"Kevin Righter","doi":"10.1111/maps.14289","DOIUrl":null,"url":null,"abstract":"<p>ALH 84001 is an orthopyroxenite that is the oldest known Martian meteorite. Given this rock type and age, and the possible source locations, ALH 84001 represents an opportunity to learn more about basic geologic relations in the Martian highlands in the southern hemisphere. Its orthopyroxene-rich mineralogy is unique and also includes C-, S-, P-bearing minerals. ALH 84001 can provide constraints on chronology, geology and surface features, crust formation, paleomagnetism, weathering, climate, magmatism, and interior structure. When it was recognized to be of Martian origin (~1994), there were ~12 known Martian meteorite samples. That number is now >150, with only one other meteorite (NWA 7034) having clasts that are similar in age to ALH 84001. Thus, it remains a unique sample and continues to provide opportunities to understand this early period of Martian history.</p>","PeriodicalId":18555,"journal":{"name":"Meteoritics & Planetary Science","volume":"60 1","pages":"74-102"},"PeriodicalIF":3.2000,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/maps.14289","citationCount":"0","resultStr":"{\"title\":\"The influence of ALH 84001 on our understanding of the origin and evolution of Mars\",\"authors\":\"Kevin Righter\",\"doi\":\"10.1111/maps.14289\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>ALH 84001 is an orthopyroxenite that is the oldest known Martian meteorite. Given this rock type and age, and the possible source locations, ALH 84001 represents an opportunity to learn more about basic geologic relations in the Martian highlands in the southern hemisphere. Its orthopyroxene-rich mineralogy is unique and also includes C-, S-, P-bearing minerals. ALH 84001 can provide constraints on chronology, geology and surface features, crust formation, paleomagnetism, weathering, climate, magmatism, and interior structure. When it was recognized to be of Martian origin (~1994), there were ~12 known Martian meteorite samples. That number is now >150, with only one other meteorite (NWA 7034) having clasts that are similar in age to ALH 84001. Thus, it remains a unique sample and continues to provide opportunities to understand this early period of Martian history.</p>\",\"PeriodicalId\":18555,\"journal\":{\"name\":\"Meteoritics & Planetary Science\",\"volume\":\"60 1\",\"pages\":\"74-102\"},\"PeriodicalIF\":3.2000,\"publicationDate\":\"2024-11-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/epdf/10.1111/maps.14289\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Meteoritics & Planetary Science\",\"FirstCategoryId\":\"89\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/maps.14289\",\"RegionNum\":4,\"RegionCategory\":\"地球科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"GEOCHEMISTRY & GEOPHYSICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Meteoritics & Planetary Science","FirstCategoryId":"89","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/maps.14289","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"GEOCHEMISTRY & GEOPHYSICS","Score":null,"Total":0}
The influence of ALH 84001 on our understanding of the origin and evolution of Mars
ALH 84001 is an orthopyroxenite that is the oldest known Martian meteorite. Given this rock type and age, and the possible source locations, ALH 84001 represents an opportunity to learn more about basic geologic relations in the Martian highlands in the southern hemisphere. Its orthopyroxene-rich mineralogy is unique and also includes C-, S-, P-bearing minerals. ALH 84001 can provide constraints on chronology, geology and surface features, crust formation, paleomagnetism, weathering, climate, magmatism, and interior structure. When it was recognized to be of Martian origin (~1994), there were ~12 known Martian meteorite samples. That number is now >150, with only one other meteorite (NWA 7034) having clasts that are similar in age to ALH 84001. Thus, it remains a unique sample and continues to provide opportunities to understand this early period of Martian history.
期刊介绍：
First issued in 1953, the journal publishes research articles describing the latest results of new studies, invited reviews of major topics in planetary science, editorials on issues of current interest in the field, and book reviews. The publications are original, not considered for publication elsewhere, and undergo peer-review. The topics include the origin and history of the solar system, planets and natural satellites, interplanetary dust and interstellar medium, lunar samples, meteors, and meteorites, asteroids, comets, craters, and tektites. Our authors and editors are professional scientists representing numerous disciplines, including astronomy, astrophysics, physics, geophysics, chemistry, isotope geochemistry, mineralogy, earth science, geology, and biology. MAPS has subscribers in over 40 countries. Fifty percent of MAPS'' readers are based outside the USA. The journal is available in hard copy and online.
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