{"title":"Ichnology of a dolomitized raised reef: Hopegate Formation, Jamaica (Upper Pliocene)","authors":"S. Donovan, R. Portell","doi":"10.1080/10420940.2021.1932489","DOIUrl":null,"url":null,"abstract":"Abstract The Upper Pliocene Hopegate Formation of north central Jamaica is a dolomitized raised reef. Hitherto, its palaeontology has been largely ignored because of the poor preservation; the Hopegate Formation is highly karstified, well indurated and fossils are commonly preserved as molds. However, moldic preservation has enhanced the common borings. Ichnotaxa identified from this formation include Entobia ovula? Bromley and d’Alessandro; Entobia ispp.; Gastrochaenolites isp. cf. G. torpedo Kelly and Bromley; Gastrochaenolites pickerilli Donovan; Gastrochaenolites ispp.; Oichnus simplex Bromley; Rogerella isp. cf. R. lecontrei Saint-Seine; Talpina isp. cf. T. hirsuta Voigt and Uniglobites flomerata (Morris). There are more specimens of Entobia than all other ichnotaxa combined. Comparison with other Neogene formations or members in the Antilles demonstrates that the association Entobia + Gastrochaenolites + Oichnus is near-ubiquitous. Caulostrepsis Clarke, which is common in modern shallow water environments in association with Entobia and Gastrochaenolites, is less common in the ancient associations of the Antilles.","PeriodicalId":51057,"journal":{"name":"Ichnos-An International Journal for Plant and Animal Traces","volume":"88 1","pages":"231 - 242"},"PeriodicalIF":0.8000,"publicationDate":"2021-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Ichnos-An International Journal for Plant and Animal Traces","FirstCategoryId":"89","ListUrlMain":"https://doi.org/10.1080/10420940.2021.1932489","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PALEONTOLOGY","Score":null,"Total":0}
引用次数: 1
Abstract
Abstract The Upper Pliocene Hopegate Formation of north central Jamaica is a dolomitized raised reef. Hitherto, its palaeontology has been largely ignored because of the poor preservation; the Hopegate Formation is highly karstified, well indurated and fossils are commonly preserved as molds. However, moldic preservation has enhanced the common borings. Ichnotaxa identified from this formation include Entobia ovula? Bromley and d’Alessandro; Entobia ispp.; Gastrochaenolites isp. cf. G. torpedo Kelly and Bromley; Gastrochaenolites pickerilli Donovan; Gastrochaenolites ispp.; Oichnus simplex Bromley; Rogerella isp. cf. R. lecontrei Saint-Seine; Talpina isp. cf. T. hirsuta Voigt and Uniglobites flomerata (Morris). There are more specimens of Entobia than all other ichnotaxa combined. Comparison with other Neogene formations or members in the Antilles demonstrates that the association Entobia + Gastrochaenolites + Oichnus is near-ubiquitous. Caulostrepsis Clarke, which is common in modern shallow water environments in association with Entobia and Gastrochaenolites, is less common in the ancient associations of the Antilles.
期刊介绍:
The foremost aim of Ichnos is to promote excellence in ichnologic research. Primary emphases center upon the ethologic and ecologic significance of tracemaking organisms; organism-substrate interrelationships; and the role of biogenic processes in environmental reconstruction, sediment dynamics, sequence or event stratigraphy, biogeochemistry, and sedimentary diagenesis. Each contribution rests upon a firm taxonomic foundation, although papers dealing solely with systematics and nomenclature may have less priority than those dealing with conceptual and interpretive aspects of ichnology. Contributions from biologists and geologists are equally welcome.
The format for Ichnos is designed to accommodate several types of manuscripts, including Research Articles (comprehensive articles dealing with original, fundamental research in ichnology), and Short Communications (short, succinct papers treating certain aspects of the history of ichnology, book reviews, news and notes, or invited comments dealing with current or contentious issues). The large page size and two-column format lend flexibility to the design of tables and illustrations. Thorough but timely reviews and rapid publication of manuscripts are integral parts of the process.