| OCR Text |
Show 21 incised by to 16 cm a channel structure and long social insects one laterally that open ripples. into (Chapter 3). Multiple level low in Unit 38. These are The unit contains vertical burrows up galleries, which could have been made vertical burrows with identical to burrow galleries galleries Spectacular ichnofabrics characterized by Planolites burrows of occur high in Unit 28 and also in Unit 3B 1.3. Stratigraphy found at in Unit 18. uniform size (Figure 1.6B). and Paleoenvironments Units and Stratal 1.3.1. are Dip The North Horn Formation of North Horn Mountain contains 403 nearly horizontal strata conformable units (Figure 1.1). (Units 1, 2, and 3) by In this study m of it is divided into three and subdivided into subunits (Units 1 A-1 C, 2A-2B, 3A-3C) which broadly correspond to lithologic and/or paleontologic changes (Chapters 2, 3). The beds of the North Horn have been treated data a points as from three topographic map type locality are such with respect to measured sections stratigraphically equivalent yield a dip of 1.3.2. 2.90 to N 300W at the Biostratigraphic measured section line is estimated from (Figure 1.3). GPS plotted type locality. Placement from localities topographic (Appendix A). The bedding dip plus horizontal and North Horn localities Stratigraphic placement of fossil specimens locations essentially an near the map elevations of their interpolation of their map on |
