Abstract
Foraminifera were extracted from acid residues of oil well samples from the Hunton Group in the subsurface Salina and Forest City Basins in northeastern Kansas. The fauna was found to be restricted to the Niagaran portion of the Silurian beds which is equivalent to the Clarita Member of the Chimneyhill Limestone of the Arbuckle Mountains, Oklahoma. Several thousand specimens were obtained and were used to correlate southward into Oklahoma and eastward into Missouri, Indiana and Kentucky. The foraminifera and acid residues gave infoimation which made it possible to divide the Hunton into two Devonian and five Silurian zones, and to identify previously unknown faults and account for anomalous thicknesses and paleogeologic aspects. Twenty species from eleven genera were identified, among which are two new species and one new genus. The work extends the known occurrence of Silurian foraminifera about 500 miles north and 500 miles west of previously described localities, and emphasizes the use and value offoraminifera in subsurface research. Silurian arenaceous foraminifera from subsurface strata of northeastern Kansas
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