{"title":"伊拉克中部AJEEL-10井JADDALA组钙质超微化石生物地层学","authors":"Israa Sabah Al-Nuaimi, O. Al-Badrani","doi":"10.26842/binhm.7.2021.16.3.0341","DOIUrl":null,"url":null,"abstract":"A detailed systematic study of calcareous nannofossils was carried out for the Jaddala Formation in (Aj-10) well, Central Iraq. Seventy one species belong to twenty four genera of calcareous nannofossils were identified including sixty two of them were previously named and nine species were identified for the first time and they would not be given names until more information is obtained in the future to support this identification. It is a recorded of five biostratigraphic zone, which suggested the age of the Jaddala Formation to be of early to late Eocene. The recorded biozone includes the following: Reticulofenestra dictyoda (Deflandre in Deflandre & Fert, 1954) Stradner & Edwards, 1968 Partial Range Biozone (CNE 5); Discoaster sublodoensis Bramlette and Sullivan, 1961 Interval biozone (CNE 6-7); Nannotetrina cristata (Martini, 1958) Perch-Nielsen, 1971 Interval biozone (CNE 8); Nannotetrina alata (Martini in Martini & Stradner, 1960) Haq and Lohmann, 1976 Interval biozone (CNE 9); Chiasmolithus gigas Bramlette & Sullivan, 1961Range Biozone (CNE 10-11).","PeriodicalId":37386,"journal":{"name":"Bulletin of the Iraq Natural History Museum","volume":" ","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2021-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"CALCAREOUS NANNOFOSSILS BIOSTRATIGRAPHY OF JADDALA FORMATION IN WELL (AJEEL-10), CENTRAL IRAQ\",\"authors\":\"Israa Sabah Al-Nuaimi, O. Al-Badrani\",\"doi\":\"10.26842/binhm.7.2021.16.3.0341\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A detailed systematic study of calcareous nannofossils was carried out for the Jaddala Formation in (Aj-10) well, Central Iraq. Seventy one species belong to twenty four genera of calcareous nannofossils were identified including sixty two of them were previously named and nine species were identified for the first time and they would not be given names until more information is obtained in the future to support this identification. It is a recorded of five biostratigraphic zone, which suggested the age of the Jaddala Formation to be of early to late Eocene. The recorded biozone includes the following: Reticulofenestra dictyoda (Deflandre in Deflandre & Fert, 1954) Stradner & Edwards, 1968 Partial Range Biozone (CNE 5); Discoaster sublodoensis Bramlette and Sullivan, 1961 Interval biozone (CNE 6-7); Nannotetrina cristata (Martini, 1958) Perch-Nielsen, 1971 Interval biozone (CNE 8); Nannotetrina alata (Martini in Martini & Stradner, 1960) Haq and Lohmann, 1976 Interval biozone (CNE 9); Chiasmolithus gigas Bramlette & Sullivan, 1961Range Biozone (CNE 10-11).\",\"PeriodicalId\":37386,\"journal\":{\"name\":\"Bulletin of the Iraq Natural History Museum\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-06-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Bulletin of the Iraq Natural History Museum\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.26842/binhm.7.2021.16.3.0341\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"Earth and Planetary Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of the Iraq Natural History Museum","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.26842/binhm.7.2021.16.3.0341","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Earth and Planetary Sciences","Score":null,"Total":0}
引用次数: 0
摘要
对伊拉克中部（Aj-10）井Jaddala组的钙质超微化石进行了详细的系统研究。已鉴定出属于二十四属的71种钙质超微化石，其中六十二种是以前命名的，九种是首次鉴定的，在未来获得更多信息支持这一鉴定之前，不会给它们命名。它记录了五个生物地层带，表明贾达拉组的时代为始新世早期至晚期。记录的生物区包括以下内容：网状网栅生物区（Deflandre in Deflandre&Fert，1954）Stradner&Edwards，1968 Partial Range biozone（CNE 5）；Bramlette和Sullivan，1961 Interval biozone（CNE 6-7）；Crista Nannotetrina（Martini，1958）Perch Nielsen，1971 Interval biozone（CNE 8）；Nannotetrina alata（Martini in Martini&Stradner，1960）Haq和Lohmann，1976 Interval biozone（CNE 9）；Chiasmolithus gigas Bramlette&Sullivan，1961年，《生物区》（CNE 10-11）。
CALCAREOUS NANNOFOSSILS BIOSTRATIGRAPHY OF JADDALA FORMATION IN WELL (AJEEL-10), CENTRAL IRAQ
A detailed systematic study of calcareous nannofossils was carried out for the Jaddala Formation in (Aj-10) well, Central Iraq. Seventy one species belong to twenty four genera of calcareous nannofossils were identified including sixty two of them were previously named and nine species were identified for the first time and they would not be given names until more information is obtained in the future to support this identification. It is a recorded of five biostratigraphic zone, which suggested the age of the Jaddala Formation to be of early to late Eocene. The recorded biozone includes the following: Reticulofenestra dictyoda (Deflandre in Deflandre & Fert, 1954) Stradner & Edwards, 1968 Partial Range Biozone (CNE 5); Discoaster sublodoensis Bramlette and Sullivan, 1961 Interval biozone (CNE 6-7); Nannotetrina cristata (Martini, 1958) Perch-Nielsen, 1971 Interval biozone (CNE 8); Nannotetrina alata (Martini in Martini & Stradner, 1960) Haq and Lohmann, 1976 Interval biozone (CNE 9); Chiasmolithus gigas Bramlette & Sullivan, 1961Range Biozone (CNE 10-11).
期刊介绍：
The Bulletin of the Iraq Natural History Museum, that''s affiliated with the Iraq Natural History Research Center and Museum / University of Baghdad, which founded in 1961 and is a peer reviewed, scientific open access journal, publishing original articles, article reviews, and case reports (short communication) in the natural history sciences. This journal is published twice times a year (Biannual). Bulletin of the Iraq Natural History Museum publishes 8-12 articles in each issue, according to the priority of manuscript acceptance. The variation in research areas for each issue is considered. The financial support of the Bulletin of the Iraq Natural History Museum comes from the publication fees paid by authors. No other financial supports are availablefor the Bulletin.
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