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Taatsyn Gol - Mongolia - August 2004
                                                                           Dernière mise à jour: 27 Janvier 2014.
Professeur
 
Equipe de Paléomagnétisme 
 
Université Paris Diderot
Institut de Physique du Globe de Paris
1 rue Jussieu
F 75238 Paris cedex 05
    France
cogne@ipgp.fr


Fastnet Rock - Eire - August 2006

  • Curriculum Vitae - Publications:
  • Polys de Cours: cliquer <ici>
  • Liens Utiles:
    • CNU - Sections 35 et 36: des liens vers les pages de la CPCNU détaillant les calendriers, formalités et recommandations des sections 35 (Structure et Evolution de la Terre et des autres Planètes) et 36 (Terre solide: géodynamique des enveloppes supérieures, paléobiosphère). Ces pages contiennent en particulier des conseils et recommandations pour la rédaction des dossiers de qualification et de promotion des Enseignants - Chercheurs (Maitres de Conférences et Professeurs). Liste des autres sections du CNU ici.
    • Quelques indicateurs bibliométriques pour les Sections 35 et 36 du CNU.
    • CP-CNU: un lien vers la page d'accueil de la Commission Permanente du Conseil National des Universités.
    • UFR STEP: - Sciences de la Terre de l'Environnement et des Planètes. Enseignement des Sciences de la Terre à l'Université Paris Diderot et l'IPG
    • PaleoMac: une application Mac OS 9 - Classic dont je suis l'auteur, pour traiter les données de paléomagnétisme (désaimantation, magnétostratigraphie, paléointensité, anisotropie de susceptibilité magnétique) et effectuer des reconstructions paléogéographiques de la Terre (voir ci-dessous - see below).
    • SheepShaver: un environnement PowerPC pour faire tourner Mac OS 7.5.2 à 9.0.4 sur Mac Intel et Windows XP (voir ci-dessous - see below).



Bryce Canyon - Utah, U.S.A. - September 2007

  • Pour télécharger PaleoMac et avoir accès aux pages d'aide, cliquez sur l'image ci-dessous
  • To download PaleoMac, just click on the picture below...

                         Last update: January 23, 2016                                                                                                                                     


But.... what is PaleoMac? PaleoMac is a (laboratory) Mac OS 9 - Classic - application I have written for treating paleomagnetic data (demagnetizations, paleointensity, magnetostratigraphy, anisotropy of magnetic susceptibility...) and making plate reconstructions on the Earth, see <ref.>. This application is not yet ported to Mac OS X, but one can always believe in the future.... :o) Meanwhile, please have a look at the following...


Sunset in the Gobi Desert - Mongolia - August 2004                                                                                                                                                                                    <top>


PaleoMac, Mac OSX with Intel Mac's, and Windows XP on PC's... a solution: SheepShaver









            

      

   



PaleoMac is a poor old Mac OS9 application... It used to run under the Classic run-time environment of OS X, until Mac Intel processors appeared... and now, no more Classic..! probably because we did not make them live comfortably all along Mac developments, I guess..?

So what ?

Fortunately, the free world proposes a solution named SheepShaver, thanks to Gwenole Beauchesne. SheepShaver is an Open Source PowerPC MacOS run-time environment, which runs MacOS 7.5.2 thru MacOS 9.0.4 on the following platforms: Linux (i386, ppc, x86_64), MacOS X (i386, ppc), Darwin, NetBSD 2.0, FreeBSD 5.3 and Windows for x86.

I tried it on Mac's under OS X, including a Mac Intel, and some PC's with Windows XP, it works great !!
Here are the links to SheepShaver:
                                                                            



                                                                                                           
NOTE: an active forum containing up-to-date releases of SheepShaver (Linux, PC and Mac), with a lot of bug fixes and numerous comments is <here>.. I strongly recommend to update your versions of SheepShaver.
                                                                           
                           

Last releases are:

SheepShaver for Mac OS X: July 12, 2012, see <here>
SheepShaver for Windows: May 06, 2013, see <here>
SheepShaver for Linux: July 29, 2013, see <here>
                                                                                   

and installation guides are <here>

                                                                                                             


SheepShaver is not always easy to install....
So, I have written a number of PowerPoint and PDF helps
which can be found <here>...
see also original installation guides <here>

Khaton Sudal - Mongolia - August 2004                                                                                                                                                                                                             <top>
                                                                                                                                                                                                                                                                

References - J.P. Cogné - updated March 2013

                               
"en route" for the blueshists, thanks to my father J. Cogné - Summer 1965...
Un manuel 2011 destiné aux étudiants des cycles L et M.      
courez vite chez Dunod..!!                              




Note: the abstr. link displays the 1st page of each article, where you have a link to download a reprint...

  • 1980
J.P. Cogné, P. Choukroune, J. Cogné. Cisaillements varisques superposés dans le massif de Lanvaux (Bretagne Centrale). C. R. Acad. Sci. Paris, Sér.II, 296, 773-776, 1983. abstr.
  • 1985

J.P. Cogné, H. Perroud. Strain removal applied to paleomagnetic directions in an orogenic belt : the permian red slates of the Alpes Maritimes, France. Earth Planet.Sci. Let., 72, 125-140, 1985. abstr.

J.P. Cogné, D. Gapais. Passive rotation of hematite during deformation : a comparison of simulated and natural redbeds fabrics. Tectonophysics, 121, 365-372, 1986. abstr.

J.P. Cogné, H. Perroud. M.P. Texier and N. Bonhommet. Strain reorientation of hematite and its bearing upon remanent magnetization. Tectonics , 5, 753-767, 1986. abstr.

J.P. Cogné. Paleomagnetic direction obtained by strain removal in the Pyrenean Permo-Triassic redbeds at the "Col du Somport" (France). Earth Planet. Sci. Lett., 85, 162-172, 1987. abstr.

J.P. Cogné. Experimental and numerical modeling of IRM rotation in deformed synthetic samples. Earth Planet. Sci. Lett., 86, 39-45, 1987. abstr.

J.P. Cogné, H. Perroud. Unstraining paleomagnetic vectors: the current state of debate. Eos Trans. Amer. Geophys. Union, 68, 34, 705, 711-712, 1987. abstr. 

J.P. Cogné. TRM deviations in anisotropic assemblages of multidomain magnetites. Geophys. J. R. astron. Soc., 91, 1013-1023, 1987. abstr.

J.P. Cogné. Strain-induced AMS in the granite of Flamanville and its effects upon TRM acquisition. Geophys. J., 92, 445-453, 1988. abstr.

J.P. Cogné, H. Perroud. The anisotropy of the magnetic susceptibility as a strain gauge in the Flamanville granite, NW France. Phys. Earth Planet. Int., (Special Issue: Symposia on Magnetic Fabrics, B.B. Ellwood, F. Hrouda and J.J. Wagner Eds.), 51, 264-270, 1988. abstr.

J.P. Cogné. Strain, magnetic fabric and paleomagnetism of deformed redbeds of the Ordovician Pont-Réan formation (Brittany, France). J. Geophys. Res., 93, 13673-13687, 1988. abstr.

  • 1990

J.P. Cogné, J.P. Brun and J. Van Den Driessche. Paleomagnetic evidence for rotation during Stephano-Permian extension in Southern Massif Central (France). Earth Planet. Sci. Lett., 101, 272-280, 1990. abstr.

J.P. Brun, D. Gapais, J.P. Cogné, P. Ledru, J.L. Vigneresse. The Flamanville granite (Northwest France): an unequivocal example of a syntectonically expanding pluton. Geol. J., 25, 271-286, 1990. abstr.

Y. Chen, J.P. Cogné, V. Courtillot, J.P. Avouac, P. Tapponnier, E. Buffetaut, G. Wang, M. Bai, H. You, M. Li and C. Wei. Paleomagnetic study of Mesozoic continental sediments along the Northern Tien Shan (China) and heterogeneous strain in Central Asia. J. Geophys. Res., 96, 4065-4082, 1991. abstr.

J.P. Cogné, N. Bonhommet, V. Kropacek, T. Zelinka and E. Petrovski. Paleomagnetism and magnetic fabric of the deformed redbeds of the Cap de la Chèvre formation, Brittany, France. Phys. Earth Planet. Int., 67, 374-388,1991. abstr.

J.P. Cogné and S. Canot-Laurent. Simple shear experiments on magnetized wax-hematite samples. Earth Planet. Sci. Lett., 112, 147-160, 1992. abstr.

Y. Chen, J.P. Cogné and V. Courtillot. New Cretaceous paleomagnetic poles from the Tarim basin, Northwestern China, Earth Planet. Sci. Lett., 114, 17-38, 1992. abstr.

J.P. Cogné, J. Van Den Driessche and J.P. Brun. Syn-extension rotations in the Permian basin of St Affrique (Massif Central, France): paleomagnetic constraints. Earth Planet. Sci. Lett., 115, 29-42, 1993. abstr.

Y. Chen, J.P. Cogné, V. Courtillot, P. Tapponnier and X.Y. Zhu. Cretaceous paleomagnetic results from western Tibet and tectonic implications, J. Geophys. Res., 98, 17981- 18000, 1993. abstr.

Y. Chen, V. Courtillot, J.P. Cogné, J. Besse, Z. Yang and R. Enkin. The configuration of Asia prior to the collision of India: Cretaceous paleomagnetic constraints, J. Geophys. Res., 98, 21927-21942, 1993. abstr.

V. Courtillot, R. Enkin, Z. Yang, Y. Chen, M. Bazhenov, J. Besse, J.P. Cogné, R. Coe, X. Zhao and S. Gilder. Response to a Comment on "Paleomagnetic constraints on the geodynamic history of the major blocks of China from the Permian to the Present" by Enkin et al. (1992), By Nie Shangyou and David Rowley, J. Geophys. Res., 99, 18083-18088, 1994. abstr.

  • 1995

J.P. Cogné, Y. Chen, V. Courtillot, F. Rocher, G. Wang, M. Bai and H. You. A paleomagnetic study of Mesozoic sediments from Junggar and Turfan basins, NW China, Earth Planet. Sci. Lett.., 133, 353-366, 1995. abstr.

J.P. Cogné, J. Francheteau, V. Courtillot and Pito93 Scientific Team (R. Armijo, M. Constantin, J. Girardeau, R. Hekinian, R. Hey, D.F. Naar and R. Searle). Large rotation of the Easter microplate as evidenced by oriented paleomagnetic sea-floor samples, Earth Planet. Sci. Lett., 136, 213-222, 1995. abstr.

R. Hekinian, J. Francheteau, R. Armijo, J.P. Cogné, M. Constantin, J. Girardeau, R. Hey, D.F. Naar and R. Searle. Petrology of the Easter Microplate in the South Pacific, J. Volc. Geotherm. Res., 72, 259-290, 1996. abstr.

N.Halim, J.P. Cogné, V. Courtillot, and Y. Chen. Apparent synfolding magnetization as a result of overlap of pre- and post-folding magnetizations. Geophys. Res. Lett. 23, 3523-3526, 1996. abstr.

Chen Y., M. Faure and J.P. Cogné. Late Permian palaeomagnetic results from the Brive basin (Massif Central, France). Tectonophysics, 281, 209-220,1997. abstr.

N. Halim, J.P. Cogné, Y. Chen, R. Atasiei, J. Besse, V. Courtillot, S. Gilder, J. Marcoux and R.L. Zhao. New Cretaceous and Lower Tertiary Paleomagnetic Results from Xining-Lanzhou basin, Kunlun and Qiangtang blocks, China: Implications on the Geodynamic Evolution of Asia. J. Geophys. Res., 103, 21,025-21,046, 1998. abstr.

N. Halim, V. Kravchinsky, S. Gilder, J.P. Cogné, M. Alexyutin, A. Sorokin, and V. Courtillot. A paleomagnetic study from the Mongol-Okhotsk region: rotated Early Cretaceous Volcanics and remagnetized Mesozoic Sediments. Earth Planet. Sci. Lett., 159, 133-146, 1998. abstr.

J.P. Cogné, N. Halim, Y. Chen and V. Courtillot. Resolving the problem of shallow magnetizations of Tertiary age in Asia: insights from paleomagnetic data from the Qiangtang, Kunlun, and Qaidam blocks (Tibet, China), and a new hypothesis. J. Geophys Res., 104, 17 715-17 734, 1999. abstr.

S. Gilder, H. Leloup, V. Courtillot, Y. Chen, R. Coe, X. Zhao, W. Xiao, N. Halim, J.P. Cogné, and R. Zhu. Tectonic Evolution of the Tancheng-Lujiang (Tan-Lu) Fault Via Middle Triassic to Early Cenozoic Paleomagnetic Data. J. Geophys. Res., 104, 15 365-15390, 1999. abstr.

  • 2000

V.A. Kravchinsky, K.M. Konstantinov and J.P. Cogné. Paleomagnetic study of Vendian and Early Cambrian rocks from South Siberia and Central Mongolia: Was the Siberian platform assembled at this time?. Precambrian Res., 110, 61-92, 2001. abstr.

V.A. Kravchinsky, J.P. Cogné, W.P. Harbert and M.I. Kuzmin. Evolution of the Mongol-Okhotsk ocean as constrained by new paleomagnetic results from the Mongol-Okhotsk suture zone, Geophys. J. Int., 148, 34-57, 2002. abstr.

Y. Chen, S. Gilder, N. Halim, J.P. Cogné and V. Courtillot. New paleomagnetic constraints on central Asian kinematics: Displacement along the Altyn Tagh fault and rotations of the Qaidam Basin. Tectonics, 21(5), 1042, doi:10.1029/2001TC901030, 2002. abstr.

R.N. Hey, F. Martinez, S. Diniega, D.F. Naar, J. Francheteau & the Pito93 Scientific Team (R. Armijo, M. Constantin, J.P. Cogné, J. Girardeau, R. Hekinian and R. Searle). Preliminary attempt to characterize the rotation of seafloor in the Pito Deep area of the Easter Microplate using a submersible magnetometer. Marine Geophys. Res., 23, 1-12, 2002. abstr.

J.P. Cogné. PaleoMac: a Macintosh™ application for treating paleomagnetic data and making plate reconstructions. Geochem. Geophys. Geosyst., 4(1), 1007, doi:10.1029/2001GC000227, 2003. abstr.

S. Gilder, Y. Chen, J.P. Cogné, X. Tan, V. Courtillot, D. Sun, and Y. Li. Paleomagnetism of Upper Jurassic to Lower Cretaceous volcanic and sedimentary rocks from the Western Tarim Basin and Implications for inclination shallowing and absolute dating of the M-0 (ISEA?) chron. Earth Planet. Sci. Lett., 206, 587-600, 2003. abstr.

N. Halim, Y. Chen, J.P. Cogné. A first palaeomagnetic study of Jurassic formations from the Qaidam basin, Northeastern Tibet, China - tectonic implications. Geophys. J. Int., 153, 20-26, 2003. abstr.

J.P. Cogné and E. Humler. Temporal variation of oceanic spreading and crustal production rates during the last 180 My. Earth Planet. Sci. Lett., 227, 427-439, 2004. abstr.

D.F. Naar, R. Hekinian, M. Segonzac, J. Francheteau and the Pito Dive Team (R. Armijo, J.P. Cogné, M. Constantin, J. Girardeau, R.N. Hey, and R.C. Searle). Vigorous venting and biology at Pito Seamount, Easter microplate. In: Mid-Oceanic Ridges: Hydrothermal Interactions Between the Lithosphere and Oceans. AGU Geophysical Monograph Series, 148, 305-318, 2004. 

  • 2005
F. Hankard, J.P. Cogné and V. Kravchinsky. A new Late Cretaceous paleomagnetic pole for the west of Amuria block (Khurmen Uul, Mongolia). Earth Planet. Sci. Lett., 236, 359-373, 2005. abstr.

J.P. Cogné, V.A. Kravchinsky, N. Halim and F. Hankard. Late Jurassic-Early Cretaceous closure of the Mongol-Okhotsk Ocean demonstrated by new Mesozoic paleomagnetic results from the Trans-Baïkal area (SE Siberia). Geophys. J. Int., 163, 813-832, 2005. abstr.

J.P. Cogné and E. Humler. Trends and rhythms in global seafloor generation rate, Geochem. Geophys. Geosyst., 7, Q03011, doi:10.1029/2005GC001148, 2006. abstr.

J.P. Cogné, E. Humler and V. Courtillot. Mean age of oceanic lithosphere drives eustatic sea-level change since Pangea breakup. Earth Planet. Sci. Lett., 245, 115-122, doi:10.1016/j.epsl.2006.03.020, 2006. abstr.

X. Tan, K.P. Kodama, S. Gilder, V. Courtillot and J.P. Cogné. Palaeomagnetic evidence and tectonic origin of clockwise rotations in the Yangtze fold belt, South China Block. Geophys. J. Int., 168, 48-58, doi: 10.1111/j.1365-246X.2006.03195.x, 2007. abstr.

F. Hankard, J.P. Cogné, V.A. Kravchinsky, L. Carporzen, A. Bayasgalan and P. Lkhagvadorj. New Tertiary paleomagnetic poles from Mongolia and Siberia at 40, 30, 20 and 13 Ma: clues on the inclination shallowing problem in Central Asia. J. Geophys. Res., 112, B02101, doi:10.1029/2006JB00448, 2007. abstr.

F. Hankard, J.P. Cogné, X. Quidelleur, A. Bayasgalan and P. Lkhagvadorj. Paleomagnetism and K-Ar dating of Cretaceous basalts from Mongolia. Geophys. J. Int., 169, 898-908, doi: 10.1111/j.1365-246X.2007.03292.x, 2007. abstr.

F. Hankard, J.P. Cogné, F. Lagroix, X. Quidelleur, V.A. Kravchinsky, A. Bayasgalan and P. Lkhagvadorj. Palaeomagnetic results from Palaeocene basalts from Mongolia reveal no inclination shallowing at 60 Ma in Central Asia. Geophys. J. Int., 172, 87-102, doi: 10.1111/j.1365-246X.2007.03619.x, 2008. abstr.

S. Gilder, J. Gomez, Y. Chen and J.P. Cogné. A new paleogeographic configuration of the Eurasian landmass resolves a paleomagnetic paradox of the Tarim Basin (China). Tectonics, 27, TC1012, doi: 10.1029/2007TC002155, 2008. abstr.

J.P. Cogné and E. Humler. Global scale patterns of continental fragmentation: Wilson's cycles as a constraint for long term sea-level changes. Earth Planet. Sci. Lett., 273, 251-259, doi:10.1016/j.epsl.2008.06.030, 2008. abstr.

  • 2010

S. Le Houëdec, L. Meynadier, J.P. Cogné, C.J. Allègre and A.T. Gourlan. Oceanwide imprint of major tectonic and oceanic events on seawater Nd isotope composition in the Indian Ocean from 90 to 40 Ma. Geochem. Geophys. Geosys., 13, 6, Q06008, doi: 10.1029/2011GC003963, 2012. abstr.

J.P. Cogné, J. Besse, Y. Chen and F. Hankard. A new Late Cretaceous to Present APWP for Asia and its implications for paleomagnetic shallow inclinations in Central Asia and Cenozoic Eurasian plate deformation. Geophys. J. Int., 192, 1000-1024, doi: 10.1093/gji/ggs104, 2013. abstr.

F. Choulet, Y. Chen, J.P. Cogné, A. Rabillard, B. Wang, L. Wei, M. Faure and D. Cluzel. First Triassic palaeomagnetic constraints from Junggar (NW China) and their implications for Mesozoic tectonics in Central Asia. J. Asian Earth Sci., 78, 371-394, 2013. abstr.

J.P. Cogné. Cenozoic Eurasia is not a single rigid plate: paleomagnetic evidence. C. R. Geoscience, 345, 419-426, 2013, http://dx.doi.org/10.1016/j.crte.2013.10.001, 2013. abstr.

J.L. Till, J.P. Cogné, D. Marqer and J.C. Poilvet. Magnetic fabric evolution in ductile shear zones: examples in metagranites of the Aar Massif (Swiss Central Alps). Terra Nova, 27, 184-194, 2015. abstr.

Y. Daoudene, D. Gapais, J.P. Cogné and G. Ruffet. Upper Mesozoic continental extension in northeast Asia - relationships to plate kinematics. Submitted to Terra Nova, 2015.

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