Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1016/j.revmic.2020.100444 |
| Morphological abnormalities observed in the species Ammobaculites texanus cushman and paleoenvironmental implications | |
| Orabi, Orabi H. | |
| 通讯作者 | Orabi, OH |
| 来源期刊 | REVUE DE MICROPALEONTOLOGIE
 |
| ISSN | 0035-1598 |
| 出版年 | 2020 |
| 卷号 | 68 |
| 英文摘要 | The morphological abnormalities caused on the agglutinated foraminifera Ammobaculites texanus CUSHMAN extracted from the Lower Kharga Member of the Dakhla Formation (Upper Maastrichtian) deposits may be caused due to environmental factors such as high organic flux, high terrigenous input and low salinity as indicated by the presence of Ammoastuta together with A. texanus agglutinated foraminifera, which suggested hyposaline environments. The deformations described in this work are several types of morphological abnormalities, including irregular chamber shape (lobate peripheral outline), abnormal size or shape of the last chambers, high spire giving a spiroconvex test and irregular coiling, and additional chambers (elongated axes of rotation). Some studied species of A. texanus show compaction and the collapse of the inner microgranular layer, the compaction indicates the binding of quartz grains with a deformable substance before cementation. |
| 英文关键词 | Kharga Oasis Morphological abnormalities Agglutinated foraminifera Cretaceous |
| 类型 | Article |
| 语种 | 英语 |
| 收录类别 | ESCI |
| WOS记录号 | WOS:000581608100006 |
| WOS关键词 | PLANKTIC FORAMINIFERA ; WESTERN DESERT ; INTERTIDAL FORAMINIFERA ; SEQUENCE STRATIGRAPHY ; KHARGA OASIS ; ENVIRONMENTS ; SUCCESSION ; TESTS |
| WOS类目 | Paleontology |
| WOS研究方向 | Paleontology |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/334693 |
| 作者单位 | [Orabi, Orabi H.] Menoufia Univ, Dept Geol, Fac Sci, Shibin Al Kawm, Egypt |
| 推荐引用方式 GB/T 7714 | Orabi, Orabi H.. Morphological abnormalities observed in the species Ammobaculites texanus cushman and paleoenvironmental implications[J],2020,68. |
| APA | Orabi, Orabi H..(2020).Morphological abnormalities observed in the species Ammobaculites texanus cushman and paleoenvironmental implications.REVUE DE MICROPALEONTOLOGIE,68. |
| MLA | Orabi, Orabi H.."Morphological abnormalities observed in the species Ammobaculites texanus cushman and paleoenvironmental implications".REVUE DE MICROPALEONTOLOGIE 68(2020). |
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