Report of the Geological Survey of the State of Missouri Including Field Work of 1873-1874 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1874 Excerpt: ... Jasper county, is Turkey Creek, a much smaller tributary of Spring River, with an extensive mining district situated along some of its southern branches, the most important of which is Joplin Creek. The third and most northern of these tributaries of Spring River is Centre Creek, with the mines of Oronogo (late Minersville, ) situated on a small branch coming from the north. We may accordingly group the ore deposits in three districts: 1. The Shoal Creek District. 2. The Turkey Creek District. 3. The Centre Creek District. The whole region belongs geologically to the Subcarboniferous System. The formation consists of a series of Limestone and Chert beds belonging to the upper part of the so called Archimedes or Keokuk Limestone. In some places they are overpaid by disturbed layers of Sandstone, perhaps in part the " Ferruginous Sandstone " of Swallow, and in part a Coal Measure Sandstone; in other places by pockets of Slate and Coal belonging to the Lower Coal Measures. The ore deposits in this region lie more often horizontally than vertically. They are connected with certain more or less altered strata of the Archimedes Limestone, and are covered by broken masses of Chert and Limestone. At Granby the Galena either occurs in loose pieces in Clay or Sand, or in horizontal openings or beds of limited extent, varying in thickness from 1 to 8 feet. The Galena is generally associated with Dolomite, Calcite and Chert. Calamine is mostly found associated with the Galena, and occurs in beds from-J to 6 feet thick. At Joplin and Oronogo, the Galena forms more or less horizontal veins: %. e.j deposits of considerable length but comparatively small section. It also occurs there as irregular local impregnations in Limestone, or it fills cracks in the Chert. ...