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[null,"1.","Record Nr.",null,"UNINA9910462543103321"]
[null,null,"Autore",null,"Kaufmann Florian K (Florian Kristof), <1979->"]
[null,null,"Titolo",null,"Mexican labor migrants and U.S. immigration policies [[electronic resource] ] : from sojourner to emigrant? / / Florian K. Kaufmann"]
[null,null,"Pubbl/distr/stampa",null,"El Paso [Tex.], : LFB Scholarly Pub., 2011"]
[null,null,"ISBN",null,"1-59332-687-4"]
[null,null,"Descrizione fisica",null,"1 online resource (230 p.)"]
[null,null,"Collana",null,"The new Americans : recent immigration and American society"]
[null,null,"Disciplina",null,"331.5/440973"]
[null,null,"Soggetti",null,"Foreign workers - United States"]
[{"$nulls":4},"Mexicans - United States"]
[{"$nulls":4},"Electronic books."]
[{"$nulls":4},"United States Emigration and immigration Economic aspects"]
[{"$nulls":4},"Mexico Emigration and immigration Economic aspects"]
[{"$nulls":4},"United States Emigration and immigration Government policy"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and index."]
[null,null,"Nota di contenuto",null,"CONTENTS; List of Tables; List of Figures; Acknowledgments; Chapter 1: U.S. Immigration Policy: Attracting Permanent, Undocumented Mass Migration?; Chapter 2: Social Network Assistance in Mexico - U.S. Migration; Chapter 3: Emigrant or Sojourner? Migration Intensity and Its Determinants; Chapter 4: A Comprehensive Model of International Migration Behavior; Chapter 5: The Impact of U.S. Border Enforcement; Chapter 6: Mutually Beneficial Immigration Policies: A Utopia?; Appendix A: Data Appendix; Appendix B: Mathematical Appendix; Appendix C: Additional Tables and Figures"]
[{"$nulls":4},"Appendix D: Additional Specifications and Robustness TestsReferences; Index"]
[null,null,null,"Sommario/riassunto","Kaufmann studies the migration behavior of Mexican labor migrants to the U.S. He develops the concept of migration intensity, defined as the degree to which a migrant shifts his attachment, association and engagement from the place of origin to the migration destination. Migration intensity is as important as the original decision to migrate. For example, stricter border enforcement deters immigration but also has an unintended intensification effect whereby stricter border controls lead migrants to make fewer return trips, prolong total U.S. time, reduce remittances and move dependents to the"]
[null,"2.","Record Nr.",null,"UNINA9910793102403321"]
[null,null,"Titolo",null,"Minerals, inclusions and volcanic processes / / editors, Keith D. Putirka, Frank J. Tepley III"]
[null,null,"Pubbl/distr/stampa",null,"Chantilly, Virginia : , : The Mineralogical Society of America, , [2008]"]
[{"$nulls":4},"©2008"]
[null,null,"ISBN",null,"1-5015-0848-2"]
[null,null,"Descrizione fisica",null,"1 online resource (xiv, 674 pages) : illustrations"]
[null,null,"Collana",null,"Reviews in Mineralogy and Geochemistry ; ; Volume 69"]
[null,null,"Disciplina",null,"552/.1"]
[null,null,"Soggetti",null,"Igneous rocks - Inclusions"]
[{"$nulls":4},"Magmas"]
[{"$nulls":4},"Volcanism"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","The chapters ... represent an extensive review ... by the invited speakers at a two-day short course on Minerals, Inclusions and Volcanic Processes held prior to the annual fall American Geophysical Union Meeting in San Francisco, California (December 13-14, 2008) ... in conjunction with an AGU-sponsored topical session at the subsequent ... meeting\"--Page [iii]."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"Introduction to minerals, inclusions and volcanic processes / Keith D. Putirka -- Experimental studies of the kinetics and energetics of magma crystallization / Julia E. Hammer -- Thermometers and barometers for volcanic systems / Keith D. Patirka -- Thermometers and thermobarometers in granitic systems / J. Lawford Anderson ... [et al.] -- Fluid inclusion thermobarometry as a tracer for magmatic processes / Thor H. Hansteen, Andreas Klügel -- Petrologic reconstruction of magmatic system variables and processes / Jon Blundy, Kathy Cashman -- Magma ascent rates / Malcolm J. Rutherford -- Melt inclusions in basaltic and related volcanic rocks / Adam J.R. Kent -- Interpreting H₂O and CO₂ contents in melt inclusions : constraints from solubility experiments and modeling / Gordon Moore -- Volatile abundances in basaltic magmas and their degassing paths tracked by melt inclusions / Nicole Métrich, Paul J. Wallace -- Inter- and intracrystalline isotopic disequilibria : techniques and applications / Frank C. Ramos, Frank J. Tepley III -- Oxygen Isotopes in mantle and crustal magmas as revealed by single crystal analysis / Ilya Bindeman -- Uranium-series crystal ages / Kari M. Cooper, Mary R. Reid -- Time scales of magmatic processes from modeling the zoning patterns of "]
[{"$nulls":4},"crystals / Fidel Costa, Ralf Dohmen, Sumit Chakraborty -- Mineral textures and zoning as evidence for open system process / Martin J. Streck -- Decryption of igneous rock textures : crystal size distribution tools / Pietro Armienti -- Deciphering magma chamber dynamics from styles of compositional zoning in large silicic ash flow sheets / Olivier Bachmann, George W. Bergantz."]
[null,null,null,"Sommario/riassunto","Volume 69 of Reviews in Mineralogy and Geochemistry covers the fundamental issues of volcanology: At what depths are eruptions triggered, and over what time scales? Where and why do magmas coalesce before ascent? If magmas stagnate for thousands of years, what forces are responsible for initiating final ascent, or the degassing processes that accelerate upward motion? To the extent that we can answer these questions, we move towards formulating tests of mechanistic models of volcanic eruptions (e.g., Wilson, 1980; Slezin, 2003; Scandone et al., 2007), and hypotheses of the tectonic controls on magma transport (e.g., ten Brink and Brocher, 1987; Takada, 1994; Putirka and Busby, 2007). Our goal, in part, is to review how minerals can be used to understand volcanic systems and the processes that shape them; we also hope that this work will spur new and integrated studies of volcanic systems."]