turtles | Boneblogger: Science and the outdoors https://boneblogger.com Exploring the natural world Fri, 28 May 2010 17:04:36 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 Niobrara Chalk https://boneblogger.com/niobrara-chalk/?utm_source=rss&utm_medium=rss&utm_campaign=niobrara-chalk Tue, 09 Mar 2010 21:26:52 +0000 http://boneblogger.com/?p=176 One of the most famous formations is the Niobrara Chalk. This formation is exposed in northwest Kansas and southern Nebraska. Formations are sometimes divided into members, subsections of the formation based upon its rock type. The Niobrara Chalk has two members: the lower Fort Hays Limestone and the upper Smoky Hill Chalk. It is the […]

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