RELATIONSHIPS BETWEEN BOUNDING SURFACES, ICHNOCOENOSES, AND ICHNOFACIES IN ERG SYSTEM STRATA: EXAMPLES FROM THE JURASSIC NAVAJO SANDSTONE
HASIOTIS, Stephen, Univ KansasDept Geology, 116 Lindley Hall, 1475 Jayhawk Blvd, Lawrence, KS 66045-7594, CHAN, Marjorie A., Geology and Geophysics, University of Utah, 115 S 1460 E, Salt Lake City, UT 84112 and PARRISH, Judith, Dept Geological Sciences, Univ Idaho, 875 Perimeter Rd, Moscow, ID 83844-3022