Organic-walled tentaculids of Late Devonian (Frasnian) deposits of the Appalachian and Michigan Basins, Laurussia (NY, MI, OH)

IF 1.3 4区 地球科学 Q2 GEOLOGY Geologica Acta Pub Date : 2022-09-15 DOI:10.1344/geologicaacta2022.20.10
K. C. Meehan, J. Boyle
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Abstract

This is the first report of organic-walled tentaculid remains from Givetian through Frasnian age deposits of the Michigan and Appalachian Basins in western Laurussia. This adds to the geographic scope of similar finds that have been described from the Frasnian through the Famennian in eastern Laurussia. However, those previous specimens were retrieved through palynological preparations and more closely resemble sheath structures rather than the full forms found herein, which were retrieved through complete maceration with ammonium surfactants.
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Laurussia (NY, MI, OH)阿巴拉契亚和密歇根盆地晚泥盆世(frasian)沉积物的有机壁触手
这是第一份关于洛俄罗斯西部密歇根盆地和阿巴拉契亚盆地从吉维期到Frasnian时代沉积物的有机壁帐篷遗迹的报告。这增加了类似发现的地理范围,这些发现已被描述为从劳俄罗斯东部的Franian到Famennian。然而,这些先前的标本是通过孢粉学制备获得的,更接近于鞘结构,而不是本文中发现的完整形式,后者是通过用铵表面活性剂完全浸渍获得的。
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来源期刊
Geologica Acta
Geologica Acta 地学-地质学
CiteScore
2.50
自引率
6.70%
发文量
13
审稿时长
>12 weeks
期刊介绍: - Relevant conceptual developments in any area of the Earth Sciences. - Studies presenting regional synthesis. - Thematic issues or monographic volumes presenting the results from one or more research groups. - Short papers reflecting interesting results or works in progress. - Contributions and results from Research Projects, Workshops, Symposiums, Congresses and any relevant scientific activity related to Earth Sciences. - Geologica Acta aims to stimulate rapid diffusion of results and efficient exchange of ideas between the widespread communities of Earth Science researchers (with special emphasis on Latinamerica, the Caribbean, Europe, the Mediterranean
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