Circular, Issues 323-334

Front Cover
The Survey, 1961 - Geology

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Contents

Section 1
3
Section 2
Section 3
3

14 other sections not shown

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Circular, Issue 541

Snippet view - 1988
Circular, Issue 58

Snippet view - 1940
Circular, Issues 506-514

Snippet view - 1938
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Common terms and phrases

abundant acanthopores Altonian Assemblage Zone average base covered sample Bluff Branson & Mehl bryozoan CaF2 calcareous Calcite carbonate Carbondale chert clay mineral clayey coal Collinson colluvium conodont contact angle County Cretaceous deposits Devonian dike dolomite entire zooecia Farmdale fauna feet thick fluorspar Formation Sandstone FT/SEC Geological Survey glacial Gnathodus gravel heavy minerals Illinois Illinois Geol ILLINOIS STATE GEOLOGICAL illite Jour kaolinite Kellerville Limestone liquid Loess Loose Powder lower massive Mattoon Mattoon Formation mature zone medium grained mesopores micaceous miles Mississippi Valley Missouri montmorillonite nd nd NW sec Ordovician outcrop oxide Paleocene Peoria Peoria Loess percent Pleasantview Pleistocene production Pulaski County range Rexroad rocks Roxana Roxana Silt sand Sandstone Sandstone Member Sangamon shale silica siltstone silty Silurian Siphonodella Soil Spechts Ferry species stratigraphic Substage surface TABLE Tangential section Thebes Thebes Quadrangle thin bedded Total Ulrich upper Vitrain specimen VR VR Wabash Willman Woodfordian zoarium zooecial wall

Bibliographic information

TitleCircular, Issues 323-334
Circular, Illinois State Geological Survey
ContributorIllinois State Geological Survey
PublisherThe Survey, 1961
Original fromthe University of California
DigitizedApr 2, 2007
  
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