Session No. 15 Tuesday, May 1, 2001

1:00 PM-5:00 PM, Sheraton Old Town Hotel: Alvarado AB
S9. Timing of Ancestral Rocky Mountain Orogeny
Spencer G. Lucas and Steve Cather, Presiding
Start Time
1:00 PM Introductory Remarks
1:05 PM NONMARINE FOSSILS FROM LATE PALEOZOIC REDBEDS IN NEW MEXICO AND THE TIMING OF THE ANCESTRAL ROCKY MOUNTAIN OROGENY: HUNT, Adrian, Mesalands Dino. Mus, Mesa Tech. College, 911 South Tenth St, Tucumcari, NM 88401, adrianh@mesatc.cc.nm.us and LUCAS, Spencer G., New Mexico Museum of Nat History, 1801 Mountain Rd NW, Albuquerque, NM 87104,
1:20 PM NORTH-SOUTH DIFFERENCES IN TIMING AND STYLE OF ANCESTRAL ROCKY MOUNTAIN DEFORMATION, SOUTHWESTERN NORTH AMERICA: CATHER, Steven M., New Mexico Bureau Mines, 801 Leroy Pl., Campus Station, Socorro, NM 87801-4681, steve@gis.nmt.edu.
1:35 PM STRATIGRAPHIC RELATIONSHIPS ACROSS THE PENNSYLVANIAN-PERMIAN BOUNDARY, OSCURA AND SAN ANDRES MOUNTAINS, NEW MEXICO: LUCAS, Spencer G., New Mexico Museum of Nat History, 1801 Mountain Rd NW, Albuq, NM 87104, SLucas@nmmnh.state.nm.us and KUES, Barry S., Dept. Earth & Planet. Sci, Univ. New Mex, Albuq, NM 87131,
1:50 PM A NEW LATE PENNSYLVANIAN COELACANTH FISH FROM KINNEY QUARRY, CENTRAL NEW MEXICO: JOHNSON, Sally C., New Mexico Museum of Nat History and Sci, 1801 Mountain Road NW, Albuquerque, NM 87104, sbuna@unm.edu and LUCAS, Spencer G., New Mexico Museum of Nat History, 1801 Mountain Rd NW, Albuq, NM 87104,
2:05 PM FIRST OCCURRENCE OF AMPHISAUROPUS AND VARANOPUS IN THE LOWER PERMIAN ABO FORMATION, CENTRAL NEW MEXICO: LERNER, Allan J., New Mexico Museum of Nat History, Albuquerque, NM 87104, slucas@nmmnh.state.nm.us, LUCAS, Spencer G., New Mexico Museum of Nat History, 1801 Mountain Rd NW, Albuq, NM 87104, and HAUBOLD, Hartmut, Geiseltalmuseum, Domstrasse 5, Halle, D-06108, Germany,
2:20 PM PALEOMAGNETISM OF UPPER PENNSYLVANIAN TO LOWER PERMIAN SANGRE DE CRISTO FORMATION STRATA: EVALUATION OF LATE CRETACEOUS TO EARLY TERTIARY DEFORMATION IN THE SANGRE DE CRISTO MOUNTAINS, SOUTHERN COLORADO: MARSHALL, Kenneth A. and GEISSMAN, John W., Earth and Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131-1116, opmarsh@unm.edu
2:35 PM DEPOSITIONAL DELIVERY SYSTEMS FOR THE ATOKA FORMATION (MIDDLE PENNSYLVANIAN), SOUTHERN MIDCONTINENT, UNITED STATES: COMBS, Jason E., Department of Geosciences, University of Arkansas, Fayetteville, AR 72701, jecombs@mail.uark.edu, MANGER, Walter L., and ZACHRY, Doy L., Geosciences, Univ of Arkansas, 113 Ozark Hall, Fayetteville, AR 72701,
2:50 PM Break
3:05 PM LAST TECTONIC SIGNAL FROM ARM'S WICHITA-AMARILLO BLOCK IS RECORDED BY PERMIAN POST OAK CONGLOMERATE AND PALEOTOPOGRAPHY: GILBERT, M. C., School of Geology & Geophysics, Univ of Oklahoma, Norman, OK 73019-0628, mcgilbert@ou.edu.
3:20 PM LATE PALEOZOIC PALEOBOTANY OF TEXAS - A PALEOECOLOGIC EXAMINATION: CHANEY, Dan S.1, DIMICHELE, William A.1, and MAMAY, Sergius H.2, (1) Paleobiology, National Museum of Nat History, NHB mrc-121, Smithsonian Institution, Washington, DC 20560, chaney.dan@nmnh.si.edu, (2) Paleobiology, National Museum of Natural History, NHB mrc-121, Smithsonian Institution, Washington, DC 20560
3:35 PM STRUCTURAL INFLUENCE ON STRATIGRAPHIC CONTINUITY WITHIN THE ATOKA FORMATION ACROSS THE WASHBURN ANTICLINE, CENTRAL ARKOMA BASIN, ARKANSAS: KING, Maria Elena and ZACHRY, Doy L. Jr, Geosciences, University of Arkansas, 113 Ozark Hall, Fayetteville, AR 72701, 122601@email.msn.com
3:50 PM THE EARLY MISSISSIPPIAN SYCAMORE FORMATION IN THE ARBUCKLE MOUNTAINS, SOUTHERN OKLAHOMA: DONOVAN, R. Nowell, Texas Christian Univ, TCU Box 298830, Fort Worth, TX 76129-0001, R.Donovan@tcu.edu.
4:05 PM FAULTS IN CENTRAL POTTAWATOMIE COUNTY, KANSAS: FIELD RELATIONSHIPS, KINEMATICS, AND BASEMENT RELATIONSHIPS: OHLMACHER, Gregory C., Kansas Geological Survey, Univ of Kansas, 1930 Constant Ave, Lawrence, KS 66047, ohlmac@kgs.ukans.edu and BERENDSEN, Pieter, Kansas Geological Survey, Univ of Kansas, 1930 Constant Avenue, Lawrence, KS 66047,
4:20 PM STRUCTURAL TRANSITION: NORTHERN ARKANSAS STRUCTURAL PLATFORM TO ARKOMA BASIN, WEST-CENTRAL ARKANSAS: WENGER, Robert Jr, Geosciences, Univ of Arkansas at Fayetteville, 200 Silas H. Hunt Hall, Fayetteville, AR 72703, rjwenge@comp.uark.edu.
4:35 PM UPPER PALEOZOIC TECTONIC UNCONFORMITIES IN THE CENTRAL PEQUOP MOUNTAINS, NEVADA: SWEET, Dustin E.1, SNYDER, Walter S.1, DAVYDOV, Vladimir I.1, TREXLER, J. H. Jr2, and GROVES, John R.3, (1) Department of Geosciences, Boise State Univ, 1910 University Drive, Boise, ID 83725, dsweet@trex.boisestate.edu, (2) Department of Geosciences, Univ of Nevada,Reno, 89557, (3) Univ Northern Iowa, 121 Latham Hall, Cedar Falls, IA 50614-0001
4:50 PM Discussion

Back to the Rocky Mountain (53rd) and South-Central (35th) Sections, GSA, Joint Annual Meeting (April 29–May 2, 2001)