|
Permian polyplacophora (mollusca) from Nevada, Utah, and Arizona
|
ABSTRACT-Rare to abundant silicified polyplacophoran faunas occur in the late Wolfcampian Bird Spring Formation and the Leonardian Pequop and Loray Formations in Nevada, the Leonardian Arcturus Formation in Utah, and the early Leonardian Ft. Apache Limestone Member of the Supai Formation in Arizona. The faunas associated with the polyplacophorans are dominated by molluscs. New species include Gryphochiton distinctus, Arutichiton gracilis, A. nevadensis, and Arcochiton richardsoni. Traces of c...
Related newspaper, magazine, and journal articles from HighBeam Research
|
|
New Miocene mammalian faunas from west central Nevada
Journal of Paleontology
; ABSTRACT-Four new fossil mammalian assemblages are now recognized from west central Nevada. The late Barstovian or earliest Clarendonian Eagle-Picher Mine Site assemblage was recovered from the upper sedimentary member of the ?Desert Peak Formation exposed in the northeastern Virginia Range of
|
 "Telegraph - Herald (Dubuque)")
|
City needs engineering geologist
Telegraph - Herald (Dubuque)
; Associate professor of geophysics, Department of Earth, Ecological and Environmental Sciences, University of Toledo How stable is the old Eagle Point quarry wall? Road cuts through the Galena Dolomite (the rock formation exposed in the quarry) provide some clues. Virtually every rock cut along
|
|
|
UPPER WENLOCK CERATOIKISCIDAE (RADIOLARIA) FROM THE CAPE PHILLIPS FORMATION, ARCTIC CANADA
Journal of Paleontology
; ABSTRACT - Taxa belonging to the Ceratoikiscidae are described in detail from two measured sections of Member C of the Cape Phillips Formation exposed along Rookery Creek, Cornwallis Island, Arctic Canada. The sections encompass uppermost Sheinwoodian (top lower Wenlock) to the base of the Gorstian
|
|
Syntectonic magnetization of the mid-Palaeozoic Sierra Grande Formation: Further constraints on the tectonic evolution of Patagonia
Journal of the Geological Society
; Abstract: A palaeomagnetic study was carried out in the Silurian Devonian elastic sedimentary rocks of the Sierra Grande Formation, exposed in northeastern Patagonia (41.6oS, 65.3oW). Thirteen sites (n=88) were located on opposite limbs of a syncline-anticline structure. Stepwise thermal
|
|
|
Cheirocystis fultonensis, a new glyptocystitoid rhombiferan from the Upper Ordovician of the Cincinnati arch--comments on cheirocrinid ontogeny
Journal of Paleontology
; ABSTRACT-A new glyptocystitidoid rhombiferan, Cheirocystis fultonensis, is described from the contact zone between the Point Pleasant Formation and lower Kope Formation exposed 50 km south east of Cincinnati, Ohio. This species, the second known glyptocystitidoid rhombiferan from the Cincinnatian
|
|
|
NEW INFORMATION REGARDING THE HOLOTYPE OF SPINOSAURUS AEGYPTIACUS STROMER, 1915
Journal of Paleontology
; INTRODUCTION IN THE autumn of 1912, the fossil collector Richard Markgraf, with financial support and direction from Bavarian paleontologist Ernst Freiherr Stromer von Reichenbach and the Bavarian Academy of Sciences, discovered the partial skeleton of a bizarre predatory dinosaur in Upper
|
|
|
A PENNSYLVANIAN (MORROWAN) OSTRACODE FAUNA FROM TEXAS
Journal of Paleontology
; ABSTRACT-A Lower Pennsylvanian (Morrowan) silicified ostracode fauna occurs just above the conformable Mississippian-Pennsylvanian boundary within the Barnett Formation in Texas. The fauna contains several taxa that were previously restricted to the Upper Mississippian and numerous taxa only known
|
|
A bedrock source of Swan River chert
Plains Anthropologist
; REPORTS ABSTRACT Swan River chert is a lithic material that was commonly utilized by precontact people on the southern part of the Canadian prairie provinces and the adjoining states since at least Clovis times. The chert occurs in glacial till and other Quaternary deposits within the area of use.
|
|
|
THE EMPERADOR LIMESTONE REDISCOVERED: EARLY MIOCENE CORALS FROM THE CULEBRA FORMATION, PANAMA
Journal of Paleontology
; ABSTRACT- Caribbean reefs underwent significant biotic change during the Late Oligocene and Early Miocene. This was a critical time in the evolution of the modern Caribbean fauna characterized by increasing endemism resulting from regional extinction of lineages that survive in the modern
|
 "The Record (Bergen County, NJ)")
|
Getting a leg up on the evolutionary scale
The Record (Bergen County, NJ)
; ... Oldest arm shows how creature left swamp By DENNIS O'BRIEN, SPECIAL FROM THE BALTIMORE SUN Date: 04-02-2004, Friday Section: NEWS Edtion: All Editions.=.Two Star B. Two Star P. One Star B Scientists have unearthed what they say is the world's oldest known ...
|