INDEX TO PICTURES (Numerical Order)
Use the Back Arrow on your browser to return to this page
Map of Midcontinent Pennsylvanian paleogeography (Text-Figure 1)
Stratigraphic classification of Altamont Formation in Missouri (Text-Figure 2a)
Subdivisions in Bandera and Altamont Formations at I-170 (Text-Figure 2b)
Summary interpretation of stratigraphic units (Table 1)
1. Compactional microfaulting in shale below Worland Limestone
3. Various kinds of clasts in conglomerate and limestone unit
5. Undulatory algal fragment limestone in conglomerate and limestone unit
6a. Slab of micritic algal fragment limestone, conglomerate and limestone unit
6b. Close-up of slab of micritic algal fragment limestone, conglomerate and limestone unit
8. Clayey shell hash limestone in water
9a. Slab of clayey shell hash limestone from conglomerate and limestone unit
9b. Close-up of slab of clayey shell hash limestone from conglomerate and limestone unit
12a. Iron oxide layer at base of Mulberry Member
12b. Close-up of iron oxide layer at base of Mulberry Member
15. Pedoturbation in varicolored claystone unit
17. Varicolored claystone-whole section
18. Barry Sutton and Norm King studying the varicolored claystone
19. Detail of impure coal from Mulberry Member
22. Fossils in calcareous shale subunit of Lake Neosho Shale
25. Phosphate nodules impressed into top of coal in Mulberry Member
27. Shale clasts at base of Mulberry Member
29a. Rhizomorphs in yellow and gray portion of varicolored claystone
29b. Close-up of rhizomorphs in yellow and gray portion of varicolored claystone
31. Upper part of varicolored claystone to base of Worland Limestone
37. Rhizomorphs in maroon portion of varicolored claystone
37a. Close-up of rhizomorphs with drab haloes in maroon portion of varicolored claystone
43. Samples showing compactional slickensides
45. Root molds (side view) at top of Worland Limestone
46. Root molds (top of bed) at top of Worland Limestone
47. Rooted limestone subunit of Worland Limestone
49a. Slab of algal limestone from base of Worland Limestone
49a1. Close-up of section A, Worland algal limestone slab
49a2. Larger close-up of section A, Worland algal limestone slab
49b1. Close-up of section B, Worland algal limestone slab
49b2. Larger close-up of section B, Worland algal limestone slab
49c1. Close-up of section C, Worland algal limestone slab
49c2. Larger close-up of section C, Worland algal limestone slab50. Modern Halimeda from the Bahamas
56. Fusulinids exposed in yellow weathering subunit of Worland Limestone
58. Carbonate marsh on lee side of Great Abaco Island, Bahamas
59. Patch reefs next to San Salvador Island, Bahamas
61. Mud flat and bay, Atlantic coast of Florida
62. Redeposited limestone clasts, San Salvador Island, Bahamas
63. Shell hash beach, Jupiter Island, Florida
66a. Side view of slab with root molds from upper Worland Limestone
66b. Close-up, side view of slab with root molds from upper Worland Limestone
66c. Top view of slab with root molds from upper Worland Limestone
67. Upper contact of algal mound limestone, Worland Limestone
68. Exposure of algal mound and mound flank facies, Worland Limestone
69. Close-up of silicified limestone (tripoli) below karstic passage in Worland Limestone
70a. Slab of algal limestone from conglomerate and limestone unit
70b. Close-up of slab of algal limestone from conglomerate and limestone unit
71. Close-up of algal mound flank facies outcrop, Worland Limestone
74. Labeled subunits in Worland Limestone
75. Punch bowl filled with phosphate nodules from various units at I-170 exposure
79. Pieces of silicified limestone (tripoli) from conglomerate and limestone unit
80. Slab of skeletal micritic limestone from hard gray limestone subunit of Worland Limestone
82. Slab of fusulinid limestone from yellow weathering subunit of Worland Limestone
82a. Close-up of fusulinid limestone slab from Worland Limestone
83a. Slab of algal mound flank facies of Worland Limestone
83b. Close-up 1 of algal mound flank facies slab, Worland Limestone
83c. Close-up 2 of algal mound flank facies slab, Worland Limestone
84a. Brachiopod Linoproductus in yellow weathering subunit of Worland Limestone
84b. Close-up of brachiopod Linoproductus in yellow weathering subunit of Worland Limestone
86a. Slab of bioturbated limestone from hard gray limestone subunit of Worland Limestone
86b. Close-up of lamination and burrow structures in bioturbated limestone slab
86c. Close-up of grain with laminated coating in bioturbated limestone slab
86d. Close-up of Crurithyris showing spiralia within shell in bioturbated limestone slab
87. Echinoid spines and bryozoans in yellow weathering subunit of Worland Limestone
88. Undulatory algal fragment limestone slab from conglomerate and limestone unit
88a. Close-up undulatory algal fragment limestone slab from conglomerate and limestone unit
95. Slab of algal mound limestone from lower Worland Limestone
97. Undulatory base of Mulberry Member, Bandera Formation
98. Coaly laminae in Mulberry Member, Bandera Formation
98a. Labeled units at Mulberry Member exposure, Bandera Formation
99. Variety of lithologies in Mulberry Member
100. Aerial photograph of the I-170 Pennsylvanian exposure in St. Louis, Missouri
101. Maroon and dark gray claystone pebbles in conglomerate and limestone unit
102. Lithoclastic limestone near base of conglomerate and limestone unit
103. Close-up of lithoclastic limestone near base of conglomerate and limestone unit
104. Peds in paleosol at top of varicolored claystone unit
105. Limestone lenses below karstic passages in Worland Limestone altered to tripoli
106. Types of shell hash limestone labeled in conglomerate and limestone unit
107. Close-up of micritic shell hash limestone with chiton, conglomerate and limestone unit
108. Panorama of the I-170 Pennsylvanian exposure in St. Louis, Missouri
109. Fossils weathering in relief on Worland Limestone exposure
110. Cross bedding in calcareous shale subunit of Lake Neosho Shale
111. Traffic on I-170, with Worland Limestone in background
112. Rockfall of Worland Limestone along I-170 in St. Louis, Missouri
113. Rhizocretions of iron oxide near top of varicolored claystone
114. Slab of lithoclastic limestone at base of scour structure in conglomerate and limestone unit
115. Close-up of contact between calcareous shale and blocky claystone, Lake Neosho Shale
116. Microfractures in calcareous shale subunit of Lake Neosho Shale
117. Contact between calcareous shale and blocky claystone subunits in Lake Neosho Shale
118. Algal limestone resting on top of Mulberry Member, Bandera Formation
119. Slab of algal limestone resting on top of Mulberry Member, Bandera Formation
120. Huge clast of micritic algal fragment limestone, conglomerate and limestone unit
121. Claystone boulders in conglomerate and limestone unit
122. Greenish gray claystone in Mulberry Member, Bandera Formation
123. Scour structure labeled. in conglomerate and limestone unit
124. Clay-ironstone concretion in blocky claystone subunit, Lake Neosho Shale
125. Close-up of clay-ironstone concretion in blocky claystone subunit, Lake Neosho Shale
126. Phosphatic shale and bioclastic shale subunits, Lake Neosho Shale
127. Phosphatic shale and adjacent subunits of Lake Neosho Shale
128. Forms of phosphate in Lake Neosho Shale
129. Fossils in bioclastic shale subunit of Lake Neosho Shale
130. Oblique transported phosphate nodule in bioclastic shale subunit of Lake Neosho Shale
131. Lake Neosho Shale grading upward into Worland Limestone
132. Edgewise phosphate nodule on ragged erosion surface in Lake Neosho Shale
133. Shale bed in Worland Limestone
134. Micritic limestone beds lapping onto algal mound facies in Worland Limestone
135. Close-up of algal mound limestone outcrop, Worland Limestone
138. Thin section of algal limestone with sponge. from base of Worland Limestone
139. Edge of algal mound in Worland Limestone140. Clayey limestone in yellow weathering subunit of Worland Limestone
141. Lower part of Nowata Shale exposed during construction at I-70 and Hwy N in St. Louis
143. Pleasanton sandstone exposed during construction at I-70 and Hwy N in St. Louis
144. Relief at base of Worland Limestone labeled
145a. Slab of lithoclastic limestone from conglomerate and limestone unit
145b. Close-up of slab of lithoclastic limestone from conglomerate and limestone unit
146. Slab from calcareous shale subunit of Lake Neosho Shale
147a. Slab of transition zone from Lake Neosho Shale to Worland Limestone
147b. Close-up of slab of transition zone from Lake Neosho Shale to Worland Limestone
149. Outcrop of Lake Neosho Shale Member of Altamont Formation
149a. Labeled subunits in Lake Neosho Shale
150. Slab of bioclastic limestone lens from base of Mulberry Member
151. Shale squeezed up into karst passage at base of Worland Limestone
152. Hard gray limestone subunit of Worland Limestone153. Skeletal limestone lenses filling scours within Lake Neosho Shale
154. Thin section of hard gray limestone, Worland Limestone
155. Thin section of yellow-weathering limestone, Worland
156. Thin section of limestone clast, conglomerate and limestone unit
157. Polished slab of phylloid algal limestone
158. The Worland Limestone exposed along I-170 in St. Louis, Missouri
Technical DiscussionIndex to Pictures
Main Menu
Top of page