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Bulletin of the Geological Society of Denmark最新文献

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Development of microbial euendolithic communities: The influence of light and time 中新石器时代微生物群落的发展:光和时间的影响
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1999-01-30 DOI: 10.37570/bgsd-1998-45-18
M. Gektidis, Gektidis
{"title":"Development of microbial euendolithic communities: The influence of light and time","authors":"M. Gektidis, Gektidis","doi":"10.37570/bgsd-1998-45-18","DOIUrl":"https://doi.org/10.37570/bgsd-1998-45-18","url":null,"abstract":"The importance of euendolithic microbial communities as a palaeontological tool for the reconstruction of ancient sedimentary basin history has been widely ac- knowledged (Golubic et al. 1975, 1984, Vogel et al. 1995, 1996). This tool can be improved by better knowledge of the relationship between modern microendoliths (rock-penetrating microorganisms) and the environmental conditions they thrive in. \u0000The aim of a long-term study conducted on Lee Stocking Island, Bahamas, was to point out factors that control occurrence, distribution and composition of microbial euendolithic populations. The experimental design and first results are published in Radtke 1993, Kiene et al. 1995, Vogel et al. 1996, Gektidis 1997. This paper deals with one aspect of microendolithic development: the progress and change of community structure in time. Microendolithic biocoenoses are excellent bathymetric indicators (Golubic 1975, Gektidis 1997). However their potential use as indicators for different water depths is influenced by the con­tinuous growth of the endolithic communities themselves and the surrounding benthic microflora. This process will have to be taken into consideration when, following a uniformitarian approach, fossil basins are to be reconstructed by analyzing the fossil microendolithic ichno-communities.","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1999-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69889014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
Mysterious boring hidden within the hinge plates of heterodont bivalves 神秘的无聊隐藏在异质双壳类动物的铰链板
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1999-01-30 DOI: 10.37570/bgsd-1998-45-21
J. Martinell, R. Domènech, G. Bromley
{"title":"Mysterious boring hidden within the hinge plates of heterodont bivalves","authors":"J. Martinell, R. Domènech, G. Bromley","doi":"10.37570/bgsd-1998-45-21","DOIUrl":"https://doi.org/10.37570/bgsd-1998-45-21","url":null,"abstract":"Well-hidden beneath the umbo ofheterodont bivalves, a sack-like boring is etched into the two hinge plates of the opposed valves. The boring is abundant, occurs in numerous host species, ranges from Eocene to today and appears to have world­wide occurrence. The trace fossil is named Umbichnus inopinatus nov. igen. et isp. The nature of the tracemaker remains unknown. The possibility that the struc­ture is a dissolution pit produced by the bivalve itself is discussed.","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1999-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69889263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Subaerial animal and plant bioerosion in castellated sandstone rocks (Pleistocene to Recent, Czech Republic) 城堡状砂岩的陆上动植物生物侵蚀(捷克共和国更新世至近代)
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1999-01-30 DOI: 10.37570/bgsd-1998-45-25
R. Mikuláš
{"title":"Subaerial animal and plant bioerosion in castellated sandstone rocks (Pleistocene to Recent, Czech Republic)","authors":"R. Mikuláš","doi":"10.37570/bgsd-1998-45-25","DOIUrl":"https://doi.org/10.37570/bgsd-1998-45-25","url":null,"abstract":"Rate ofbioerosion in some subaerial settings may compete with that of marine bioerosion. Chief agents are plant root activity and microbe metabolism. How- ever, locally, insects may mine sandstone to produce nesting galleries, while tree trunks, moving in storms, may abrade distinctive and long-lasting grooves in the rock. Examples are described from the Quaternary of the Czech Republic.","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1999-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69889126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Paleobathymetric reconstructions and fossil microborings 古测深重建和化石微钻孔
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1999-01-30 DOI: 10.37570/bgsd-1998-45-17
I. Glaub, I. Glaub
{"title":"Paleobathymetric reconstructions and fossil microborings","authors":"I. Glaub, I. Glaub","doi":"10.37570/bgsd-1998-45-17","DOIUrl":"https://doi.org/10.37570/bgsd-1998-45-17","url":null,"abstract":"Ichnotaxonomic and paleoecological studies on Jurassic samples resulted in the identification of four micro boring assemblages, called index ichnocoenoses. They are related to specific photic zones or subzones, and therefore are extraordinarily useful for bathymetric reconstructions.","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1999-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69888774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 20
RCNPS/RCNNS 6th Joint Annual Meeting in Denmark RCNPS/RCNNS第六届联合年会在丹麦召开
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1998-09-25 DOI: 10.37570/bgsd-1998-45-12
P. F. Konradi, C. Clausen
{"title":"RCNPS/RCNNS 6th Joint Annual Meeting in Denmark","authors":"P. F. Konradi, C. Clausen","doi":"10.37570/bgsd-1998-45-12","DOIUrl":"https://doi.org/10.37570/bgsd-1998-45-12","url":null,"abstract":"The 6th Joint Meeting of the Regional Committee on Northern Neogene Stratigraphy and the Regional Committee on Northern Paleogene Stratigraphy was held in Denmark on 1-5 September 1997. The meet­ing and the subsequent excursion were organised by Peter Konradi and Claus Heilmann-Clausen. ..","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1998-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69888895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THE ECHINOID GAUTHIERIA ALTERNA FROM THE UPPERMOST MAASTRICHTIAN OF DENMARK 来自丹麦最北部马斯特里赫特地区的刺头类蛇
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1998-09-25 DOI: 10.37570/BGSD-1998-45-03
J. Jagt, B. Andersen, S. L. Jakobsen, J. Wm
{"title":"THE ECHINOID GAUTHIERIA ALTERNA FROM THE UPPERMOST MAASTRICHTIAN OF DENMARK","authors":"J. Jagt, B. Andersen, S. L. Jakobsen, J. Wm","doi":"10.37570/BGSD-1998-45-03","DOIUrl":"https://doi.org/10.37570/BGSD-1998-45-03","url":null,"abstract":"The present record from the white chalk of Holtug (Stevns Klint, Sjaelland) of the smali, distinctive phymosomatid echinoid Gauthieria altema (Kutscher, 1985) constitutes a notable addition to the latest Maastrichtian echinoid faunas in Denmark. Although both specimens available are crushed, preservation on the whole is better than the type material from the upper Lower Maastrichtian of Rugen (northeast Germany), and enables a more detailed description of the species, which was originally placed in Hemithylus Arnaud, 1896 but which is here transferred to the genus Gauthieria Lambert, 1888. One of the specimens preserves a single demipyramid and epiphysis of the lantern.","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"45 1","pages":"23-26"},"PeriodicalIF":1.2,"publicationDate":"1998-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69888805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Editors Column: 'Tertiary', an informal term 编辑专栏:“大专”，一个非正式的术语
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1998-02-28 DOI: 10.37570/bgsd-1998-44-16
W. Christensen
{"title":"Editors Column: 'Tertiary', an informal term","authors":"W. Christensen","doi":"10.37570/bgsd-1998-44-16","DOIUrl":"https://doi.org/10.37570/bgsd-1998-44-16","url":null,"abstract":"","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1998-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69888682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gunnar Larsen Symposium Gunnar Larsen研讨会
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1996-12-31 DOI: 10.37570/bgsd-1996-43-18
John A. Korstgard
{"title":"Gunnar Larsen Symposium","authors":"John A. Korstgard","doi":"10.37570/bgsd-1996-43-18","DOIUrl":"https://doi.org/10.37570/bgsd-1996-43-18","url":null,"abstract":"","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1996-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69888331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bioerosion: a collection of workshop papers 生物侵蚀:研讨会论文集
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1996-12-31 DOI: 10.37570/bgsd-1998-45-13
R. Bromley
{"title":"Bioerosion: a collection of workshop papers","authors":"R. Bromley","doi":"10.37570/bgsd-1998-45-13","DOIUrl":"https://doi.org/10.37570/bgsd-1998-45-13","url":null,"abstract":"The First International Bioerosion Workshop was held, under the auspices of Geological Institute of the University of Copenhagen, Denmark, at Limensgade Windmill, Aakirkeby, Bornholm in September 1996....","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1996-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69888947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Comments on Gunnar Larsen's publications 评论Gunnar Larsen的出版物
IF 1.2 4区 地球科学
Bulletin of the Geological Society of Denmark Pub Date : 1996-12-31 DOI: 10.37570/bgsd-1996-43-19
Arne Dinesen
{"title":"Comments on Gunnar Larsen's publications","authors":"Arne Dinesen","doi":"10.37570/bgsd-1996-43-19","DOIUrl":"https://doi.org/10.37570/bgsd-1996-43-19","url":null,"abstract":"","PeriodicalId":55310,"journal":{"name":"Bulletin of the Geological Society of Denmark","volume":"1 1","pages":""},"PeriodicalIF":1.2,"publicationDate":"1996-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69887968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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