Author: admin1415
U-Th-Pb dating of deterital zircons : Short introduction
Global earth’s oxygenation and emergence of Multicellular life
Global earth’s oxygenation and emergence of Multicellular life
The Panafrican and Cadomian orogenies in North Africa and Western Europe
We draw your attention to this upcoming virtual conference that is relevant to the goals of IGCP 683.
The Panafrican and Cadomian orogenies in North Africa and Western Europe
July 1, 2021, beginning at 15 h-Madrid-Berlin time.
Organized by J. Javier Álvaro (IGEO, Madrid), Martim Chichorro (Universidade Nova de Lisboa) and Gabriel Gutiérrez-Alonso (Universidad de Salamanca).
The final programme and other arrangements will be available at the end of May but the preliminary schedule is listed below for information. The organizers can be contacted directly for more information.
Talks (15 + 5 min. for questions) – July 1, 2021 (Madrid-Berlin time)
15.00-15.20 h. Linnemann et al. The Cadomian orogeny: where, when, and how?
15.20-15.40 h. Quesada. The Cadomian Orogen in Iberia
15.40-16.00 h. Chichorro et al. ~ 610 Ma: a critical age for the Iberian consolidation.
16.00-16.20 h. Gutiérrez-Alonso et al. Why is there not a Cadomian “true” basement in western Europe? (or where is it?)
16.20-16.40 h. Amaral. Inspecting zircon populations of the Iberian Pyrite Belt: tracking the Cadomian record of the South Portuguese Zone
16.40-17.00. Henriques et al. Evolution of a Neoproterozoic suture in the Iberian Massif, Central Portugal: igneous and metamorphic events at the Ossa Morena Zone/Central Iberian Zone boundary
17.00-17.20 h. Coffee break
17.20-17.40 h. Álvaro. Late Ediacaran tectono-sedimentary evolution of the Cadomian retro-arc basin preserved in the Central Iberian Zone, Iberian Massif.
17.40-18.00 h. Casas et al. Cadomian metabasites of the Pyrenees revisited: new geochemical and geochronological data
18.00-18.20 h. Jacques et al. Redefining the Central Iberian Zone (Iberian Massif): a tectonic subdivision traced by the Alcudian unconformity
18.20-18.40 h. Rojo et al. Geochemical and isotopic (Nd) correlation between SW Iberian and N Bohemian Late Ediacaran siliciclastic series.
18.40-19.00 h. López Carmona et al. The Panafrican basement in Morocco: age and P-T evolution of the Zenaga Inlier
19.00-19.20 h. Padel et al. Shifts in the Cadomian detrital zircon populations of the Cantabrian-Occitan-Pyrenean-Sardinian margin fringing West Gondwana
19.20-20.00 h. Choral discussion about:
Lack of Mesoproterozoic outcrops
So many suture segments: which is a real ophiolite?
Future topics
Forthcoming special volume in Geological Acta (https://revistes.ub.edu/index.php/geoacta)
AlvaroConferenceAnnouncement
The Geological Society of America : 56th Annual Meeting 2021 Northeastern Section Meeting Monday, March 15, 2021
IGCP683 section : Pre-Atlantic Geological Connections among Northwest Africa, Southern Europe, and Eastern North America
Advocates :
Yvette D. Kuiper ; Colorado School of Mines, US
Sandra M. Barr ; Acadia University, Canada
Faouziya Haissen, Hassan II University, Morocco
Pilar Montero ; University of Granada, Spain
Saïd Belkacim ; Ibn Zohr University, Morocco
Presentations :
BUILDING KINEMATIC MODELS FOR IAPETUS OCEAN CLOSURE
WALDRON, John, Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G2E3, Canada, BARR, Sandra M., Department of Earth and Environmental Science, Acadia University, Wolfville, NS B4P 2R6, Canada, MCCAUSLAND, Phil, University of Western Ontario Dept Earth Sciences, 1151 Richmond St., London, ON N6A 5B7, CANADA, SCHOFIELD, David I., British Geological Survey, The Lyell Centre, Research Avenue South, Edinburgh, EH14 4AP, United Kingdom, WU, Lei, Department of Earth and Planetary Sciences, McGill University, 3450 Rue University, Montréal, QC H3A 0E8, Canada and REUSCH, Douglas, Dept. of Geology, University of Maine Farmington, Farmington, ME
DETRITAL ZIRCON SOURCE EVOLUTION DURING THE DEVONIAN-CARBONIFEROUS COLLISION IN THE NORTHERN MOROCCAN VARISCIDES
ACCOTTO, Cristina, MARTÍNEZ POYATOS, David, AZOR, Antonio and JABALOY-SÁNCHEZ, Antonio, Geodynamics Department, University of Granada, Facultad de Ciencias, Campus Fuentenueva, Avenida Fuentenueva s/n, Granada, 18071, Spain
A COMPARISON OF THE CAMBRIAN PRE-RIFT, SYN-RIFT AND BREAK-UP PULSES THROUGHOUT THE ATLAS‒OSSA-MORENA‒NORTH ARMORICAN RIFT (NW AFRICA AND SW EUROPE) AND WESTERN AVALONIA (ATLANTIC CANADA)
ALVARO, Javier, Instituto de Geociencias, (CSIC-UCM),, Dr. Severo Ochoa 7, Madrid, 28040, Spain
LITHOSTRATIGRAPHY, PETROCHEMISTRY AND U-PB (ZIRCON) AGE CONSTRAINTS OF VOLCANIC ROCKS OF THE BONAVISTA PENINSULA: IMPLICATIONS FOR THE INTERPRETATION OF THE MUSGRAVETOWN GROUP
MILLS, Andrea, Geological Survey of Newfoundland and Labrador, Government of Newfoundland and Labrador, 50 Elizabeth Ave, St. John’s, NF A1B 4J6, Canada, SANDEMAN, Hamish, Department of Industry, Energy and Tec 50 Elizabeth Avenue, 50 Elizabeth AvenueTec, St. John’s, NL A1B 4J6, CANADA and DUNNING, Greg, Earth Science, Memorial University of Newfoundland (MUN), Alexander Murray Building, St. John’s, NS A1B 3X5, Canada
METAMORPHIC EVOLUTION OF THE SOUTHWESTERN PART OF THE MEGUMA TERRANE NOVA SCOTIA, CANADA
NAGURNEY, Alexandra1, CADDICK, Mark1 and WHITE, Chris E.2, (1)Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, (2)Nova Scotia Department of Energy and Mines, Halifax, NS B3J 2T9, Canada
UPDATE ON DETRITAL ZIRCON U/PB GEOCHRONOLOGY FROM PROTEROZOIC AND EARLY PALEOZOIC ROCKS OF THE PENOBSCOT BAY INLIER, MAINE
REUSCH, Douglas, Dept. of Geology, University of Maine Farmington, Farmington, ME 04938-6821, STRAUSS, Justin V., Department of Earth Sciences, Dartmouth College, Hanover, NH 03755 and SMITH, Langhorne, Smith Stratigraphic LLC, 21 Ricks Road, Woodstock, NY 12498
Online – Portland
AFRICAN AFFINITY OF TONIAN DETRITAL ZIRCON IN AVALONIA OF SOUTHEASTERN-MOST NEW ENGLAND, USA?
THOMPSON, Margaret, Geosciences Department, Wellesley College, Wellesley, MA 02481, WHITE, C.E., Geoscience and Mines Branch, Nova Scotia Department of Energy and Mines, PO Box 698, Halifax, NS B3J2T9, Canada and BARR, S.M., Earth and Environmental Science, Acadia University, Wolfville, NS B4P2R6, Canada
NEW DETRITAL ZIRCON DATA FROM WESTERN CONNECTICUT PROVIDE INSIGHT INTO TERRANE AFFINITIES AND MAP PATTERNS OF REGIONAL LITHOLOGIES
BURTON, William, Florence Bascom Geoscience Center, U.S. Geological Survey, MS 926A National Center, Reston, VA 20192, HOLM-DENOMA, Chris, U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, Denver Federal Center, Denver, CO 80225; USGS, 345 Middlefield Rd., MS 901, Menlo Park, CA 94025, WINTSCH, Robert P., Earth and Environmental Sciences, Wesleyan University, 265 Church St, Middletown, CT 06459, LEE, Shinae, Korea Basic Science Institute, Ochang, Chungbuk, 363-883, Korea, Republic of (South), DEVLIN, William, Rock Bottom Research, 787 Georges Hill Rd, Southbury, CT 06488-4623, WALSH, Gregory, United States Geological Survey, Montpelier, VT 05602 and RATCLIFFE, Nicholas M., MS926A, US Geological Survey, Reston, VA 20192
CHASING CAMERON’S LINE: DETRITAL ZIRCON RESULTS FROM THE MANHATTAN AND HARTLAND SCHIST IN NEW YORK CITY
JARET, Steven1, TAILBY, Nicholas D.1, HAMMOND, Keiji1, RASBURY, E. Troy2, WOOTON, Kathleen2, EBEL, Denton1, DIPADOVA, E.3, SMITH, Riley3, YUAN, Victoria3, JAFFE, Noa3, SMITH, Lisa M.1 and SPAETH, Lynsey3, (1)Department of Earth and Planetary Sciences, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024-5192, (2)Geosciences, SUNY Stony Brook, Stony Brook, NY 11794-2100, (3)New York City Board of Education, New York, NY 11201
THE NEOPROTEROZOIC BOU AZZER OPHIOLITE (MOROCCO): PETROLOGY, GEOCHEMISTRY AND GEODYNAMIC IMPLICATIONS
PUJOL-SOLÀ, Núria1, ESCALONA, Helena1, PROENZA, Joaquín A.1, HAISSEN, Faouziya2, IKENNE, Moha3, ARENAS, Ricardo4, SÁNCHEZ MARTÍNEZ, Sonia4, MAACHA, Lhou5 and GARCIA-CASCO, Antonio6, (1)Mineralogia, Petrologia i Geologia Aplicada, Facultat de Ciències de la Terra, Universitat de Barcelona, C/ Martí i Franquès s/n, Barcelona, 08028, Spain, (2)Hassan II University of Casablanca, Casablanca, Morocco, (3)Dept of Geology, Faculty of Sciences, Ibnou Zohr University, P.O. Box 28/S, Agadir, 80 000, Morocco, (4)Petrología y Geoquímica, Universidad Complutense, 28040 Madrid, Spain, (5)MANAGEM Group, 191, bd Mohamed Zerktouni, angle bd. Massira Alkhadra, Twin Center Tour, Casablanca, A-20100, Morocco, (6)Instituto Andaluz de Ciencia de la Tierra (IACT), Universidad de Granada-CSIC, Armilla (Granada), 18100, Spain; Departamento de Mineralogía y Petrología, Universidad de Granada, Granada, 18071, Spain
MAGMATISM OF THE MINING DISTRICT OF TIGHZA (MASSIF CENTRAL MOROCCO): DEPOSIT MODE AND PETROGRAPHIC AND GEOCHEMICAL CHARACTERIZATION
ABSTRACT WITHDRAWN
E-Posters :
FTIR IDENTIFICATION OF SERPENTINE POLYMORPHS IN POLISHED SECTIONS
SCHOONOVER, Erik, Hope College, 141 E. 12th street, Holland, MI 49423-3638; Hope College, 141 E. 12th street, Holland, MI 49423-3638, MARTIN, Celine, American Museum of Natural History, 200 Central Park West, New York, NY NY 10024-5102 and JARET, Steven, Department of Earth and Planetary Sciences, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024-5192
THE EDIACARAN OUARZAZATE GROUP, A METACRATONIC SILICIC LARGE IGNEOUS PROVINCE (SLIP): NEW U-PB ZIRCON AGES FROM OUZELLARH-SIROUA SALIENT (TIFNOUTE VALLEY)
BELKACIM, Saïd, Département de Géologie, Université Ibn Zohr, B.P 8106, Cité Dakhla, Agadir, QC 80 000, Morocco, PERROT, Morgann, Sciences de la Terre et de l’Atmosphère, Université du Québec à Montréal, C.P. 8888, Succursale Centre-Ville, Montréal, QC H3C 3P8, DAVIES, Joshua H.F.L., Sciences de la Terre et de l’Atmosphère, Université du Québec à Montréal, 201 President-Kennedy Av, PO Box 8888, Montreal, QC H3C3P8, Canada, LIÉGEOIS, Jean-Paul, Geodynamics and Mineral Resources, Royal Museum for Central Africa, Tervuren, B-3080, Belgium and IKENNE, Moha, Dept of Geology, Faculty of Sciences, Ibnou Zohr University, P.O. Box 28/S, Agadir, 80 000, Morocco
DETRITAL ZIRCON GEOCHRONOLOGY IN NORTHERN APPALACHIAN AVALONIAN TERRANES: INSIGHTS INTO BASIN DEVELOPMENT AND TERRANE JUXTAPOSITIONS
VAN ROOYEN, Deanne, Department of Mathematics, Physics, and Geology, Cape Breton University, Sydney, NS B1P 6L2, Canada, BARR, Sandra M., Department of Earth and Environmental Science, Acadia University, Wolfville, NS B4P 2R6, Canada and WHITE, Chris, Nova Scotia Department of Energy and Mines, 1701 Hollis Street, PO Box 698, Halifax, NS B3J 2T9, Canada
U-PB ZIRCON GEOCHRONOLOGY OF THE LAMOINE GRANITE, PENOBSCOT BAY INLIER, COASTAL MAINE, USA
POLLOCK, Jeff, Department of Earth Sciences, Mount Royal University, Calgary, AB T3E 6K6, Canada, REUSCH, Douglas, Dept. of Geology, University of Maine Farmington, Farmington, ME 04938-6821 and DUNNING, Greg R., Department of Earth Sciences, Memorial University of Newfoundland, St. John’s, NF A1B 3X5, Canada
U-PB DETRITAL ZIRCON ANALYSIS OF SEDIMENTARY ROCKS OF THE SOUTHEASTERN NEW ENGLAND AVALON TERRANE IN THE US APPALACHIANS: EVIDENCE FOR A SEPARATE CRUSTAL BLOCK
KUIPER, Yvette D.1, MURRAY, Daniel P.2, ELLISON, Sonia1 and CROWLEY, James L.3, (1)Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, (2)Department of Geosciences, University of Rhode Island, 337 Woodward Hall, Kingston, RI 02881, (3)Department of Geosciences, Boise State University, Boise, ID 83725
PERI-GONDWANAN TERRANE ASSEMBLY AS REVEALED IN THE NEW BEDROCK GEOLOGIC MAP OF THE ESSEX QUADRANGLE, CONNECTICUT
WINTSCH, Robert, Dept Earth and Environmental Sciences, Wesleyan University, 265 Church St., Middletown, CT 06459 and DEASY, Ryan T., U.S. Geological Survey, 926A National Center, Reston, VA 20192
Word version of article : NEGSA meeting 2021
Video of 3rd Webinar titled: “A short introduction to the Iberian Massif geology and its transcontinental relationships”:
Our 3rd webinar was held on the 26th January at 15h00 (London), 16h00 (Paris), 10h00 (New York) by zoom. It was hosted by the Colorado School of Mines. Number of participants 59. It lasted 2h30.
webinar “A short introduction to the Iberian Massif geology and its transcontinental relationships”
Video 2nd Webinar: Crustal Blocks of the appalachian orogen
Alert : the Geological Society of America Annual Meeting
We just wanted to alert or remind you that the Geological Society of America Annual Meeting is going on now. It is virtual format, and cheap. Student members pay $40 for membership and can then attend the meeting for free. See: https://community.
This is a unique situation where you can actually attend an international meeting, and participate with other participants in a virtual setting. It goes on until Friday.