1993•Antarctica A Keystone in a Changing WorldOpen access
Description of insoluble residues from the T.P. Russell No. 1 drill hole and other drill holes in southeastern Missouri
D.S. Collins, Robert Böhm
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Abstract
Introduction 1 Previous studies 1 Pre-Bonneterre rocks 1 Bonneterre Formation 3 Elvins Group 3 Stratigraphy of the Strake Garrigan, Killam, and Wilson drill holes 4 Methods of study 6 Insoluble residues 6 Strake drill hole 6 Light fraction 7 Heavy fraction 7 Mineral grains 7 Rock fragments 11 Garrigan drill hole 12 Killam drill hole 12 Wilson drill hole 12 Paleontology 12 Fossils of the Strake drill hole 13 Fossils of the Garrigan drill hole 13 Fossils of the Wilson drill hole 13 Fossils of the Killam drill hole 13 Biostratigraphic correlations 13 Provenance and depositional environments 15 Provenance 15 Strake drill hole 15 Garrigan drill hole 17 Killam drill hole 17 Depositional environments 17 Summary and conclusions 19 Provenance 19 Depositional environments 20
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