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Crinoids from the Silurian of Western Ohio and Indiana [PDF]

open access: yes, 2013
A large section of the stratigraphic column of the Great Lakes Area is composed of carbonate rock from the Silurian Period (ca. 443-419 Ma). This limestone, which has been highly dolomitized, formed in association with an ancient reef system that was ...
Myers, Jeremy
core  

On the Silurian Rocks of Kirkcudbrightshire

open access: yesQuarterly Journal of the Geological Society of London
In the Stewartry of Kirkcudbright* the Lower Silurian Rocks, accompanied by igneous rocks, constitute the great mass of the country. From the intrusion of the syenites and porphyries these lower siluriaus are much changed both in lithological character and in inclination, being bent into several axial flexures (all apparently intimately connected and ...
openaire   +2 more sources

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