... in crinoids from the lower Mississippian (Kinderhookian) Maynes Creek Formation near Le Grand, Iowa, a locality renowned for the preservation of thousands of crinoids in tangled masses of crowns, stalks, and holdfasts. Nine percent of the specimens that we examined contained at least one regenerating arm...

...FIGURE 2 —Locality map of the study area. Locality map displays the Mississippian outcrop belt and county boundaries for southeast Iowa. Numbers indicate the position of quarries relevant to this study: 1, Le Grande Quarry, Marshal County, Iowa; 2, Harper Quarry, Keokuk County, Iowa; 3, Keota...

... the impression that the crinoids shown in their figure 1 are from the Mississippian of Indiana. However, figure 1 actually shows a crinoid plate from the Mississippian Maynes Creek Formation at Le Grand, Iowa ( Gahn and Baumiller, 2004 ). Although the figure shows an example of color differences among different...

.... Corresponding author: Benjamin J. Drenth (e-mail: [email protected] ). 8 10 2014 23 3 2015 Published by NRC Research Press 2015 De grandes crêtes magnétiques et gravimétriques sur le nord-est de l’Iowa sont interprétées comme étant le reflet d’un complexe intrusif enfoui composé...

... basins, and localities referred to in the text. 1, central Nevada; 2, north-central Yukon; 3, Cornwallis Island, Nunavut; 4, western Anticosti Island, Québec; 5, southeastern Missouri – southern Illinois; 6, northeastern Illinois; 7, eastern Iowa; 8, southern Ontario; 9, Grand Rapids Uplands, Manitoba...

... ). Copyright remains with the author(s) or their institution(s). Permission for reuse (free in most cases) can be obtained from RightsLink . Le socle largement non exposé des grandes plaines septentrionales comprend des zones de suture et des limites de terranes qui représentent une partie importante de...

..., Pa. Bauer, L. A Dept. Terrestrial Magnetism, 36th St. and Broad Branch Road, Washington, D. C. Beamish, R. R Beaudry Ave. and Mignonette St., Los Angeles. Cal. Beeson, J. J : Judge Bldg., Salt Lake City, Utah Benfield, Bernard 719 Rialto Bldg., San Francisco, Cal. Benson, Oscar A Albert City, Iowa...

... by Special Editor Marc Laflamme. 23 1 2018 6 7 2018 Published by NRC Research Press 2018 Table 1. Quartz grain size for March Point and Felix Cove sections. Dans de nombreux bassins, les séquences de carbonates du Cambrien supérieur présentent des intervalles caractérisés...

... Ga, d'une activité magmatique mafique–ultramafique, et suivie à son tour de deux épisodes de magmatisme postérieurs, datés d'environ 2,5 Ga et de 1,78 Ga, respectivement. Le complexe d'Otter Creek représente les premières roches vertes décrites au sud de la Zone tectonique des Grands Lacs (ZTGL); son...

... ). In the study area of eastern Nevada, the regional Alamo Breccia Member separates the upper and lower members ( Sandberg et al., 1997 ). Borings were described and measured in detail both in the field (Nevada) and in the lab, and then compared to the type specimens from Iowa. Nevada specimens were...

... Fatima Bitencourt Federal University of Rio Grande do Sul, Brazil Dr Stephen Brusatte University of Edinburgh, UK Dr Susanne Buiter University of Oslo, Norway Professor Alan Collins University of Adelaide, Australia Dr Irene Cornacchia Istituto di Geoscienze e Georisorse IGG-CNR, Pisa, Italy Professor...

... . Highway to empire: Remaking the river . In: Grand Excursions on the Upper Mississippi River: Places, Landscapes and Regional Identity After 1854 , edited by Curtis C. Roseman and Elizabeth M. Roseman , 119 – 134 . Iowa City : University of Iowa Press . Atwater , Caleb...

... Professor Maria de Fatima Bitencourt Federal University of Rio Grande do Sul, Brazil Dr Stephen Brusatte University of Edinburgh, UK Dr Susanne Buiter University of Oslo, Norway Professor Alan Collins University of Adelaide, Australia Dr Irene Cornacchia Istituto di Geoscienze e Georisorse IGG-CNR, Pisa...

... Professor Maria de Fatima Bitencourt Federal University of Rio Grande do Sul, Brazil Dr Stephen Brusatte University of Edinburgh, UK Dr Susanne Buiter University of Oslo, Norway Professor Alan Collins University of Adelaide, Australia Dr Irene Cornacchia Istituto di Geoscienze e Georisorse IGG-CNR, Pisa...

... Professor Maria de Fatima Bitencourt Federal University of Rio Grande do Sul, Brazil Dr Stephen Brusatte University of Edinburgh, UK Dr Susanne Buiter University of Oslo, Norway Professor Alan Collins University of Adelaide, Australia Dr Irene Cornacchia Istituto di Geoscienze e Georisorse IGG-CNR, Pisa...

... Professor Maria de Fatima Bitencourt Federal University of Rio Grande do Sul, Brazil Dr Stephen Brusatte University of Edinburgh, UK Dr Susanne Buiter University of Oslo, Norway Professor Alan Collins University of Adelaide, Australia Dr Irene Cornacchia Istituto di Geoscienze e Georisorse IGG-CNR, Pisa...

... Professor Maria de Fatima Bitencourt Federal University of Rio Grande do Sul, Brazil Dr Stephen Brusatte University of Edinburgh, UK Dr Susanne Buiter University of Oslo, Norway Professor Alan Collins University of Adelaide, Australia Dr Irene Cornacchia Istituto di Geoscienze e Georisorse IGG-CNR, Pisa...

... Professor Maria de Fatima Bitencourt Federal University of Rio Grande do Sul, Brazil Dr Stephen Brusatte University of Edinburgh, UK Dr Susanne Buiter University of Oslo, Norway Professor Alan Collins University of Adelaide, Australia Dr Irene Cornacchia Istituto di Geoscienze e Georisorse IGG-CNR, Pisa...

... of Berlin, Germany Professor Maria de Fatima Bitencourt Federal University of Rio Grande do Sul, Brazil Dr Stephen Brusatte University of Edinburgh, UK Dr Susanne Buiter University of Oslo, Norway Professor Alan Collins University of Adelaide, Australia Dr Irene Cornacchia Istituto di Geoscienze e...