Book contents
- Frontmatter
- Contents
- List of Contributors
- Acknowledgements
- Prelude
- Introduction
- GENERAL PART
- ASSEMBLAGES
- 6 Middle Ordovician Trenton Group of New York, USA
- 7 Middle Ordovician of the Lake Simcoe Area of Ontario, Canada
- 8 Upper Ordovician of the Cincinnati, Ohio, Area, USA
- 9 Silurian of Gotland, Sweden
- 10 Middle Silurian Rochester Shale of Western New York, USA, and Southern Ontario, Canada
- 11 Scyphocrinitids from the Silurian–Devonian Boundary of Morocco
- 12 Lower Devonian Manlius/Coeymans Formation of Central New York, USA
- 13 Lower Devonian Hunsrück Slate of Germany
- 14 Middle Devonian Windom Shale of Vincent, New York, USA
- 15 Middle Devonian Arkona Shale of Ontario, Canada, and Silica Shale of Ohio, USA
- 16 Lower Mississippian Hampton Formation at LeGrand, Iowa, USA
- 17 Lower Mississippian Burlington Limestone along the Mississippi River Valley in Iowa, Illinois, and Missouri, USA
- 18 Lower Mississippian Edwardsville Formation at Crawfordsville, Indiana, USA
- 19 Upper Pennsylvanian LaSalle Member, Bond Formation of Central Illinois, USA
- 20 Permian
- 21 Triassic Muschelkalk of Central Europe
- 22 Pentacrinites from the Lower Jurassic of the Dorset Coast of Southern England
- 23 Lower Jurassic Posidonia Shale of Southern Germany
- 24 Middle Jurassic of Southern England
- 25 Middle Jurassic of Northern Switzerland
- 26 Upper Jurassic Solnhofen Plattenkalk of Bavaria, Germany
- 27 Uintacrinus Beds of the Upper Cretaceous Niobrara Formation, Kansas, USA
- 28 Tertiary
- 29 Recent
- Appendix I Geological Time Table with Crinoid Assemblages
- Appendix II Glossary of Rocks
- Bibliography
- General Index
- Taxonomic Index
14 - Middle Devonian Windom Shale of Vincent, New York, USA
Published online by Cambridge University Press: 10 November 2010
- Frontmatter
- Contents
- List of Contributors
- Acknowledgements
- Prelude
- Introduction
- GENERAL PART
- ASSEMBLAGES
- 6 Middle Ordovician Trenton Group of New York, USA
- 7 Middle Ordovician of the Lake Simcoe Area of Ontario, Canada
- 8 Upper Ordovician of the Cincinnati, Ohio, Area, USA
- 9 Silurian of Gotland, Sweden
- 10 Middle Silurian Rochester Shale of Western New York, USA, and Southern Ontario, Canada
- 11 Scyphocrinitids from the Silurian–Devonian Boundary of Morocco
- 12 Lower Devonian Manlius/Coeymans Formation of Central New York, USA
- 13 Lower Devonian Hunsrück Slate of Germany
- 14 Middle Devonian Windom Shale of Vincent, New York, USA
- 15 Middle Devonian Arkona Shale of Ontario, Canada, and Silica Shale of Ohio, USA
- 16 Lower Mississippian Hampton Formation at LeGrand, Iowa, USA
- 17 Lower Mississippian Burlington Limestone along the Mississippi River Valley in Iowa, Illinois, and Missouri, USA
- 18 Lower Mississippian Edwardsville Formation at Crawfordsville, Indiana, USA
- 19 Upper Pennsylvanian LaSalle Member, Bond Formation of Central Illinois, USA
- 20 Permian
- 21 Triassic Muschelkalk of Central Europe
- 22 Pentacrinites from the Lower Jurassic of the Dorset Coast of Southern England
- 23 Lower Jurassic Posidonia Shale of Southern Germany
- 24 Middle Jurassic of Southern England
- 25 Middle Jurassic of Northern Switzerland
- 26 Upper Jurassic Solnhofen Plattenkalk of Bavaria, Germany
- 27 Uintacrinus Beds of the Upper Cretaceous Niobrara Formation, Kansas, USA
- 28 Tertiary
- 29 Recent
- Appendix I Geological Time Table with Crinoid Assemblages
- Appendix II Glossary of Rocks
- Bibliography
- General Index
- Taxonomic Index
Summary
REDISCOVERY OF A LOST SITE
In the late 1800s and early part of the 1900s, large colonies of crinoids were excavated from a small stream bank and hillside exposures of the Middle Devonian Windom Shale near the town of Vincent (formerly called Muttonville), Ontario County, New York. These were described and illustrated in some detail by Goldring (1923). For many years this location was overgrown and the horizon that had yielded the crinoids was unknown, although it was presumed to be in the Lower Moscow Formation, possibly the Deep Run Shale. Careful prospecting in the vicinity of Vincent by the late James Nardi and the author of this chapter resulted in the rediscovery of the concretionary crinoid horizon within the Upper Moscow Windom Shale along Mud Creek, about 2 km from the original site (Fig. 130). Subsequent excavations have helped to elucidate the nature of the occurrence.
Crinoids in these colonies occur in the upper portion of the Middle Devonian (mid-Givetian) Hamilton Group, approximately 380 million years before present. Specifically, they are derived from layers of highly fossiliferous shale in the upper portion of the Windom Member of the Moscow Formation (Fig. 131).
As in the case of the Silica and Arkona crinoids (see Chapter 15), lenses of fossil debris may contain complete crinoids; those from the Windom Shale are typically associated with pods of stick bryozoans and crinoidal debris. These are lenticular, typically concretionary beds, ranging from a few millimetres to more than 1 cm in thickness. Some display internal laminae of mud, suggesting that they represent composite beds resulting from the stacking and time-averaging of skeletal debris through a series of storms.
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- Fossil Crinoids , pp. 122 - 128Publisher: Cambridge University PressPrint publication year: 1999
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