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And Ordovician (Sardic) Felsic Magmatic Events in South-Western Europe: Underplating of Hot Mafic Magmas Linked to the Opening of the Rheic Ocean
Solid Earth, 11, 2377–2409, 2020 https://doi.org/10.5194/se-11-2377-2020 © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License. Comparative geochemical study on Furongian–earliest Ordovician (Toledanian) and Ordovician (Sardic) felsic magmatic events in south-western Europe: underplating of hot mafic magmas linked to the opening of the Rheic Ocean J. Javier Álvaro1, Teresa Sánchez-García2, Claudia Puddu3, Josep Maria Casas4, Alejandro Díez-Montes5, Montserrat Liesa6, and Giacomo Oggiano7 1Instituto de Geociencias (CSIC-UCM), Dr. Severo Ochoa 7, 28040 Madrid, Spain 2Instituto Geológico y Minero de España, Ríos Rosas 23, 28003 Madrid, Spain 3Dpt. Ciencias de la Tierra, Universidad de Zaragoza, 50009 Zaragoza, Spain 4Dpt. de Dinàmica de la Terra i de l’Oceà, Universitat de Barcelona, Martí Franquès s/n, 08028 Barcelona, Spain 5Instituto Geológico y Minero de España, Plaza de la Constitución 1, 37001 Salamanca, Spain 6Dpt. de Mineralogia, Petrologia i Geologia aplicada, Universitat de Barcelona, Martí Franquès s/n, 08028 Barcelona, Spain 7Dipartimento di Scienze della Natura e del Territorio, 07100 Sassari, Italy Correspondence: J. Javier Álvaro ([email protected]) Received: 1 April 2020 – Discussion started: 20 April 2020 Revised: 14 October 2020 – Accepted: 19 October 2020 – Published: 11 December 2020 Abstract. A geochemical comparison of early Palaeo- neither metamorphism nor penetrative deformation; on the zoic felsic magmatic episodes throughout the south- contrary, their unconformities are associated with foliation- western European margin of Gondwana is made and in- free open folds subsequently affected by the Variscan defor- cludes (i) Furongian–Early Ordovician (Toledanian) activ- mation. -
Minerals-09-00767-V2.Pdf
minerals Article Geochemical Features and Geological Processes Timescale of the Achaean TTG Complexes of the Ingozero Massif and the Pechenga Frame (NE Baltic Shield) Elena Nitkina * , Nikolay Kozlov, Natalia Kozlova and Tatiana Kaulina Geological Institute, Kola Science Centre, Russian Academy of Sciences, Fersman Str. 14, 184209 Apatity, Russia; [email protected] (N.K.); [email protected] (N.K.); [email protected] (T.K.) * Correspondence: [email protected]; Tel.: +79-0213-745-78 Received: 1 November 2019; Accepted: 6 December 2019; Published: 10 December 2019 Abstract: This article provides a geological review and results of the structural, metamorphic, and geochronological studies of the Pechenga frame outcrops located in the NW part of the Central-Kola terrain and the Ingozero massif outcrops situated in the northeastern part of the Belomorian mobile belt of the Kola Region (NW Baltic Shield). As a result of the work, the deformation scales and ages of the geological processes at the Neo-Archaean–Paleoproterozoic stage of the area’s development were compiled, and the reference rocks were dated. The petrochemical and geochemical characteristics of the Ingozero rocks are similar to those of tonalite–trondhjemite–granodiorite (TTG) complexes established on other Archaean shields. The isotope U–Pb dating of individual zircon grains from the biotite gneisses provided the oldest age for magmatic protolith of the Ingozero gneisses, which is 3149 46 Ma. Sm–Nd model ages showed that the gneisses protolite initial melt formed at 3.1–2.8 Ga. ± Ages of metamorphic processes were determined by using isotope U–Pb dating ID TIMS (isotope dilution thermal ionization mass spectrometry): Biotite gneisses—2697 9 Ma; amphibole–biotite ± gneisses—2725 2 Ma and 2667 7 Ma; and biotite–amphibole gneisses 2727 5 Ma. -
Mesozoic Central Atlantic and Ligurian Tethys1
42. RIFTING AND EARLY DRIFTING: MESOZOIC CENTRAL ATLANTIC AND LIGURIAN TETHYS1 Marcel Lemoine, Institut Dolomieu, 38031 Grenoble Cedex, France ABSTRACT The Leg 76 discovery of Callovian sediments lying above the oldest Atlantic oceanic crust allows us to more closely compare the Central Atlantic with the Mesozoic Ligurian Tethys. As a matter of fact, during the Late Jurassic and Ear- ly Cretaceous, both the young Central Atlantic Ocean and the Ligurian Tethys were segments of the Mesozoic Tethys Ocean lying between Laurasia and Gondwana and linked by the Gibraltar-Maghreb-Sicilia transform zone. If we as- sume that the Apulian-Adriatic continental bloc (or Adria) was then a northern promontory of Africa, then the predrift and early drift evolutions of both these oceanic segments must have been roughly the same: their kinematic evolution was governed by the east-west left-lateral motion of Gondwana (including Africa and Adria) relative to Laurasia (in- cluding North America, Iberia, and Europe), at least before the middle Cretaceous (=100 Ma). By the middle Cretaceous, opening of the North Atlantic Ocean led to a drastic change of the relative motions between Africa-Adria and Europe-Iberia. From this time on, closure of the Ligurian segment of the Tethys began, whereas the Central Atlan- tic went on spreading. In fact, field data from the Alps, Corsica, and the Apennines show evidence of a Triassic-Jurassic-Early Cretaceous paleotectonic evolution rather comparable with that of the Central Atlantic. Rifting may have been started during the Triassic (at least the late Triassic) but reached its climax in the Liassic. -
The Mediterranean Region—A Geological Primer
160 Article by William Cavazza1 and Forese Carlo Wezel2 The Mediterranean region—a geological primer 1 Dept. of Earth and Geoenvironmental Sciences, Univ. of Bologna, Italy. [email protected] 2 Institute of Environmental Dynamics, University of Urbino, Italy. [email protected] The last twenty-five years of geological investigation of the Mediterranean region have disproved the traditional Introduction notion that the Alpine-Himalayan mountain ranges Many important ideas and influential geological models have been originated from the closure of a single, albeit complex, developed based on research undertaken in the Mediterranean oceanic domain—the Tethys. Instead, the present-day region. For example, the Alps are the most studied orogen in the geological configuration of the Mediterranean region is world, their structure has been elucidated in great detail for the most part and has served as an orogenic model applied to other collisional the result of the creation and ensuing consumption of orogens. Ophiolites and olistostromes were defined and studied for two major oceanic basins—the Paleotethys and the the first time in this region. The Mediterranean Sea has possibly the Neotethys—and of additional smaller oceanic basins highest density of DSDP/ODP sites in the world, and extensive within an overall regime of prolonged interaction research on its Messinian deposits and on their on-land counterparts has provided a spectacular example for the generation of widespread between the Eurasian and the African-Arabian plates. basinal evaporites. Other portions of this region are less well under- In greater detail, there is still some debate about exactly stood and are now the focus of much international attention. -
United States/Cnmi Political Union
S. HRG. 110–164 UNITED STATES/CNMI POLITICAL UNION HEARING BEFORE THE COMMITTEE ON ENERGY AND NATURAL RESOURCES UNITED STATES SENATE ONE HUNDRED TENTH CONGRESS FIRST SESSION TO RECEIVE TESTIMONY ON S. 1634, A BILL TO IMPLEMENT FURTHER THE ACT APPROVING THE COVENANT TO ESTABLISH A COMMONWEALTH OF THE NORTHERN MARIANA ISLANDS IN POLITICAL UNION WITH THE UNITED STATES OF AMERICA, AND FOR OTHER PURPOSES JULY 19, 2007 ( Printed for the use of the Committee on Energy and Natural Resources U.S. GOVERNMENT PRINTING OFFICE 38–192 PDF WASHINGTON : 2007 For sale by the Superintendent of Documents, U.S. Government Printing Office Internet: bookstore.gpo.gov Phone: toll free (866) 512–1800; DC area (202) 512–1800 Fax: (202) 512–2104 Mail: Stop IDCC, Washington, DC 20402–0001 COMMITTEE ON ENERGY AND NATURAL RESOURCES JEFF BINGAMAN, New Mexico, Chairman DANIEL K. AKAKA, Hawaii PETE V. DOMENICI, New Mexico BYRON L. DORGAN, North Dakota LARRY E. CRAIG, Idaho RON WYDEN, Oregon LISA MURKOWSKI, Alaska TIM JOHNSON, South Dakota RICHARD BURR, North Carolina MARY L. LANDRIEU, Louisiana JIM DEMINT, South Carolina MARIA CANTWELL, Washington BOB CORKER, Tennessee KEN SALAZAR, Colorado JOHN BARRASSO, Wyoming ROBERT MENENDEZ, New Jersey JEFF SESSIONS, Alabama BLANCHE L. LINCOLN, Arkansas GORDON H. SMITH, Oregon BERNARD SANDERS, Vermont JIM BUNNING, Kentucky JON TESTER, Montana MEL MARTINEZ, Florida ROBERT M. SIMON, Staff Director SAM E. FOWLER, Chief Counsel FRANK MACCHIAROLA, Republican Staff Director JUDITH K. PENSABENE, Republican Chief Counsel (II) C O N T E N T S STATEMENTS Page Akaka, Hon. Daniel K., U.S. Senator from Hawaii .............................................. 4 Bingaman, Hon. -
Evidence for Ancient Lithospheric Deformation in the East European
Evidence for ancient lithospheric deformation in the East European Craton based on mantle seismic anisotropy and crustal magnetics Andreas Wuestefeld, Goetz Bokelmann, Guilhem Barruol To cite this version: Andreas Wuestefeld, Goetz Bokelmann, Guilhem Barruol. Evidence for ancient lithospheric defor- mation in the East European Craton based on mantle seismic anisotropy and crustal magnetics. Tectonophysics, Elsevier, 2010, 481 (1-4), pp.16-28. 10.1016/j.tecto.2009.01.010. hal-00475647 HAL Id: hal-00475647 https://hal.archives-ouvertes.fr/hal-00475647 Submitted on 27 Oct 2016 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Evidence for ancient lithospheric deformation in the East European Craton based on mantle seismic anisotropy and crustal magnetics Andreas Wüstefeld ⁎,1, Götz Bokelmann 2, Guilhem Barruol 2 Université Montpellier II, CNRS, Geosciences Montpellier, 34095 Montpellier, France article info abstract Article history: We present new shear wave splitting measurements performed at 16 stations on the East European Craton, Received 28 May 2008 and discuss their implications in terms of upper mantle anisotropy for this geophysically poorly known Accepted 6 January 2009 region. Previous investigations of mantle anisotropy in Central Europe have shown fast directions aligning Available online 19 January 2009 smoothly with the craton's margin and various suggestions have been proposed to explain their origin such as asthenospheric flow or lithospheric frozen in deformation. -
Mineralogical and Geochemical Indicators of Subaerial Weathering in the Pozzolane Rosse Ignimbrite (Alban Hills Volcanic District, Italy)
Georgia State University ScholarWorks @ Georgia State University Geosciences Theses Department of Geosciences 4-27-2010 Mineralogical and Geochemical Indicators of Subaerial Weathering in the Pozzolane Rosse Ignimbrite (Alban Hills Volcanic District, Italy) Jennifer M. Dickie Georgia State University Follow this and additional works at: https://scholarworks.gsu.edu/geosciences_theses Part of the Geography Commons, and the Geology Commons Recommended Citation Dickie, Jennifer M., "Mineralogical and Geochemical Indicators of Subaerial Weathering in the Pozzolane Rosse Ignimbrite (Alban Hills Volcanic District, Italy)." Thesis, Georgia State University, 2010. https://scholarworks.gsu.edu/geosciences_theses/23 This Thesis is brought to you for free and open access by the Department of Geosciences at ScholarWorks @ Georgia State University. It has been accepted for inclusion in Geosciences Theses by an authorized administrator of ScholarWorks @ Georgia State University. For more information, please contact [email protected]. MINERALOGICAL AND GEOCHEMICAL INDICATORS OF SUBAERIAL WEATHERING IN THE POZZOLANE ROSSE IGNIMBRITE (ALBAN HILLS VOLCANIC DISTRICT, ITALY) by JENNIFER M. DICKIE Under the direction of Dr. Daniel Deocampo ABSTRACT The Pozzolane Rosse ignimbrite [PR] (457±4 ka) in the Alban Hills Volcanic District, Rome, Italy was exposed ~ 40 ka prior to a subsequent volcanic event which coverd it entirely. XRF, XRD, and clay separation results from PR samples from INGV and CA1 boreholes and Castel di Leva quarry show evidence of paleopedogenesis. All locations display loss of base cations, loss of K is consistent with XRD datat showing dissolution or alteration of leucite to analcime. Accumulation of Al and high L.O.I. support XRD evidence of 1:1 clay species at upper depth. -
Investigation Into Health Care Disparities of U.S. Pacific Island Territories
INVESTIGATION INTO HEALTH CARE DISPARITIES OF U.S. PACIFIC ISLAND TERRITORIES HEARING BEFORE THE SUBCOMMITTEE ON HUMAN RIGHTS AND WELLNESS OF THE COMMITTEE ON GOVERNMENT REFORM HOUSE OF REPRESENTATIVES ONE HUNDRED EIGHTH CONGRESS SECOND SESSION FEBRUARY 25, 2004 Serial No. 108–160 Printed for the use of the Committee on Government Reform ( Available via the World Wide Web: http://www.gpo.gov/congress/house http://www.house.gov/reform U.S. GOVERNMENT PRINTING OFFICE 94–494 PDF WASHINGTON : 2004 For sale by the Superintendent of Documents, U.S. Government Printing Office Internet: bookstore.gpo.gov Phone: toll free (866) 512–1800; DC area (202) 512–1800 Fax: (202) 512–2250 Mail: Stop SSOP, Washington, DC 20402–0001 VerDate 11-MAY-2000 11:19 Jul 15, 2004 Jkt 000000 PO 00000 Frm 00001 Fmt 5011 Sfmt 5011 D:\DOCS\94494.TXT HGOVREF1 PsN: HGOVREF1 COMMITTEE ON GOVERNMENT REFORM TOM DAVIS, Virginia, Chairman DAN BURTON, Indiana HENRY A. WAXMAN, California CHRISTOPHER SHAYS, Connecticut TOM LANTOS, California ILEANA ROS-LEHTINEN, Florida MAJOR R. OWENS, New York JOHN M. MCHUGH, New York EDOLPHUS TOWNS, New York JOHN L. MICA, Florida PAUL E. KANJORSKI, Pennsylvania MARK E. SOUDER, Indiana CAROLYN B. MALONEY, New York STEVEN C. LATOURETTE, Ohio ELIJAH E. CUMMINGS, Maryland DOUG OSE, California DENNIS J. KUCINICH, Ohio RON LEWIS, Kentucky DANNY K. DAVIS, Illinois JO ANN DAVIS, Virginia JOHN F. TIERNEY, Massachusetts TODD RUSSELL PLATTS, Pennsylvania WM. LACY CLAY, Missouri CHRIS CANNON, Utah DIANE E. WATSON, California ADAM H. PUTNAM, Florida STEPHEN F. LYNCH, Massachusetts EDWARD L. SCHROCK, Virginia CHRIS VAN HOLLEN, Maryland JOHN J. -
The Internal Northern Apennines, the Northern Tyrrhenian Sea and the Sardinia-Corsica Block
Special Volume of the Italian Geological Society for the IGC 32 Florence-2004 THE INTERNAL NORTHERN APENNINES, THE NORTHERN TYRRHENIAN SEA AND THE SARDINIA-CORSICA BLOCK CARMIGNANI L., CONTI P., CORNAMUSINI G., MECCHERI M. Centro di Geotecnologie, Università di Siena, via Vetri Vecchi 34, 52027 –Valdarno (Arezzo), Italy Dipartimento di Scienze della Terra, Università di Siena, via Latrina 8, 53100 – Siena, Italy. ABSTRACT: In this paper we review the evolution of the internal 2. The Eastern Corsica-Northern Apennines system area of the Northern Apennines, northern Tyrrhenian Sea and originated as an accretionary wedge, produced by the Sardinia-Corsica block, focusing on the post-collisional subduction of the Apulia microplate under the evolution. The discussion follows the Author’s point of view, Sardinia-Corsica massif during the Late Eocene-Early but for the reader interested in a deeper knowledge of the geology of the area many in text citations are added and a Miocene.. At the same time tectonic units, with mostly comprehensive reference list is presented. African (top-NE in present-day coordinates) transport We first shortly introduce the stratigraphy of the area, in the direction, developed in the Apennines, while framework of the geodynamic evolution of the western margin European (top-W) transport direction is observed in of the Apulia microplate, the adjacent Ligurian ocean and the Corsica (PRINCIPI & TREVES, 1984; TREVES, 1984; European Sardinia-Corsica microplate. After a general overview CARMIGNANI et alii, 1995). In this model the Balearic of the nappe structure resulting from collisional tectonics is (or Algero-Provençal) basin and the Tyrrhenian Sea presented for the whole area. -
I I I I I I I I I I I I I I I
(j THE SENATE TWELFTH NORTHERN MARIANAS COMMONWEALTH LEGTSLA TURE I FIRST REGULAR SESSION, 2000 I ORGANIZATIONAL MEETING I I Monday, January 10,2000 (Introduction by Master of Ceremonies, Mike Evangelista) I (Singing of the Commonwealth National Anthem) The Senate of the Twelfth Northern Marianas Commonwealth Legislature, First Day, First Regular I Session, 2000, was called to order at 10:15 a.In. in the Senate Chamber on Capitol Hill, Saipan, Commonwealth of the Northern Mariana Islands. I Senator-elect Paul A. Manglona, President Pro Tempore, presided. President Pro Tern Manglona: The Senate of the Twelfth Northern Marianas Commonwealth Legislature is hereby called to order. I preside as President Pro Tern of the Senate pursuant to the request of the Senators and Senators I elect present today. Before I do that, I would like to call on Bishop Tomas Camacho, of the Catholic Diocese of Chalan Kanoa, to give the invocations. I INVOCATION Bishop Tomas Camacho: Gina'an I Tata yan I Lahifia yan I Espiritu Santo Amen. Loving God, we come to you today, the first month of the New Year, the first year of the New Century, and the first Century of the New I Millennium, to beg of you forgiveness for our past offenses and to seek your guidance and your blessings. Almighty and Eternal God, you have revealed your Glory to all nations. God of power and might, wisdom and justice, through you, authority is rightly administered, laws are enacted, and judgment is decreed. Let the light of your divine wisdom direct the deliberation of the Senate of the Commonwealth of the Northern Mariana Islands and shine I forward in all the proceedings and laws framed for our rules and govennnent. -
The Vesuvius and the Other Volcanoes of Central Italy
Geological Field Trips Società Geologica Italiana 2017 Vol. 9 (1.1) I SPRA Dipartimento per il SERVIZSERVIZIOIO GGEOLOGICOEOLOGICO D’ITALIAD’ITALIA Organo Cartografico dello Stato (legge n°68 del 2-2-1960) ISSN: 2038-4947 The Vesuvius and the other volcanoes of Central Italy Goldschmidt Conference - Florence, 2013 DOI: 10.3301/GFT.2017.01 The Vesuvius and the other volcanoes of Central Italy R. Avanzinelli - R. Cioni - S. Conticelli - G. Giordano - R. Isaia - M. Mattei - L. Melluso - R. Sulpizio GFT - Geological Field Trips geological fieldtrips2017-9(1.1) Periodico semestrale del Servizio Geologico d'Italia - ISPRA e della Società Geologica Italiana Geol.F.Trips, Vol.9 No.1.1 (2017), 158 pp., 107 figs. (DOI 10.3301/GFT.2017.01) The Vesuvius and the other volcanoes of Central Italy Goldschmidt Conference, 2013 Riccardo Avanzinelli1, Raffaello Cioni1, Sandro Conticelli1, Guido Giordano2, Roberto Isaia3, Massimo Mattei2, Leone Melluso4, Roberto Sulpizio5 1. Università degli Studi di Firenze 2. Università degli Studi di Roma 3 3. Istituto Nazionale di Geofisica e Vulcanologia 4. Università degli Studi di Napoli “Federico II” 5. Università degli Studi di Bari Corresponding Authors e-mail addresses: [email protected] - [email protected] Responsible Director Claudio Campobasso (ISPRA-Roma) Editorial Board Editor in Chief M. Balini, G. Barrocu, C. Bartolini, 2 Gloria Ciarapica (SGI-Perugia) D. Bernoulli, F. Calamita, B. Capaccioni, Editorial Responsible W. Cavazza, F.L. Chiocci, Maria Letizia Pampaloni (ISPRA-Roma) R. Compagnoni, D. Cosentino, S. Critelli, G.V. Dal Piaz, C. D'Ambrogi, Technical Editor publishing group Mauro Roma (ISPRA-Roma) P. Di Stefano, C. -
United States Department of Education Office of Special Education and Rehabilitative Services Rehabilitation Services Administration Washington, Dc 20202
UNITED STATES DEPARTMENT OF EDUCATION OFFICE OF SPECIAL EDUCATION AND REHABILITATIVE SERVICES REHABILITATION SERVICES ADMINISTRATION WASHINGTON, DC 20202 INFORMATION MEMORANDUM RSA-IM-01-30 DATE: March 27, 2001 ADDRESSEES: STATE VOCATIONAL REHABILITATION AGENCIES (GENERAL) STATE VOCATIONAL REHABILITATION AGENCIES (BLIND) STATE REHABILITATION COUNCILS CLIENT ASSISTANCE PROGRAMS PROTECTION & ADVOCACY OF INDIVIDUAL RIGHTS PROGRAMS REGIONAL REHABILITATION CONTINUING EDUCATION PROGRAMS AMERICAN INDIAN VOCATIONAL REHABILITATION PROGRAMS RSA SENIOR MANAGEMENT TEAM SUBJECT: Results of the RSA Longitudinal Study: The Potential Value of Basic Skills Training Among Consumers of Vocational Rehabilitation Services CONTENT: The purpose of this Information Memorandum (IM) is to report some interim results of the Rehabilitation Services Administration’s (RSA’s) Longitudinal Study of the Vocational Rehabilitation (VR) Services Program which indicate a positive impact of basic reading and math achievement on earnings levels. RSA's Longitudinal Study was commissioned in 1992 and conducted by the Research Triangle Institute. RSA’s Longitudinal Study The study’s overall purpose is to examine the performance of the State- federal VR program in assisting consumers to achieve long-term economic and non-economic outcomes. The study abstracted information from samples of VR case files, questionnaires completed by VR staff, and interviews of past and present VR consumers. Thirty-seven local VR offices were randomly selected, along with a sample of 8000 applicants and current and former VR consumers. Each individual chosen for study was followed for three years and interviewed annually; one purpose of RSA-IM-01-30 Page 2 following each consumer was to document the average two-year timeframe spent in receipt of VR services, along with a period of post-VR employment or other outcome.