reduced file size version (more functional for some computers): weaver_jordan_oneota_reduced
Roadcut of Late Cambrian Jordan Sandstone and overlying Ordovician Oneota Dolomite along Wabasha County 26, near Weaver, MN, illustrating large-scale crossbeds and unconformable formation boundary.
reduced file size version (more functional for some computers): franconia_lacrosse_reduced
Cross-bedded glauconitic sandstone of the Franconia Formation (Tunnel City Group in local lore) exposed on Grandad Bluff, La Crosse, WI.
Slab showing large circular trace fossils within the Upper Cambrian Mount Simon-Wonewoc Sandstone, displayed in the entryway of Weeks Hall, University of Wisconsin-Madison.
reduced file size version (more functional for some computers): lewiston_jordan_reduced
Large roadcut of Late Cambrian Jordan Sandstone and overlying Ordovician Oneota Dolomite between Stockton and Lewiston, MN, illustrating low-angle bedding, intraclasts, and several scales of cross-stratification.
reduced file size versions (more functional for some computers):
very reduced size versions
Cross-stratified Late Cambrian Jordan Sandstone, Homer, MN.
reduced file size version (more functional for some computers): rincons_turkeycreek_reduced
Tilted lower Paleozoic strata overlie granitic basement on north side of the Turkey Creek valley, Rincon Mountains, Arizona.
