Extensional Carboniferous magmatism at the western margin of Gondwana: Las Lozas valley, Catamarca, Argentina von Coira, Beatriz, Cisterna, Clara E., Ulbrich, Horstpeter H., Cordani, Umberto G.

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Arenigian tholeiitic basalts in the Famatina Ordovician basin, northwestern Argentina: emplacement conditions and their tectonic significance von Cisterna, Clara Eugenia, Koukharsky, Magdalena, Coira, Beatriz, Günter, Christina, Ulbrich, Horstpeter H.

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Timing and sources of granite magmatism in the Ribeira Belt, SE Brazil: Insights from zircon in situ U–Pb dating and Hf isotope geochemistry in granites from the São Roque Domain... von Janasi, Valdecir de Assis, Andrade, Sandra, Vasconcellos, Antonio Carlos B.C., Henrique-Pinto, Renato, Ulbrich, Horstpeter H.G.J.

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The Direct Determination of Rare Earth Elements in Basaltic and Related Rocks using ICP-MS: Testing the Efficiency of Microwave Oven Sample Decomposition Procedures von Navarro, Margareth S., Andrade, Sandra, Ulbrich, Horstpeter, Gomes, Celso B., Girardi, Vicente A.V.

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An Evaluation of the Effects of Primary and Cross-Contamination during the Preparation of Rock Powders for Chemical Determinations von Sertek, José P., Andrade, Sandra, Ulbrich, Horstpeter H.

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Melanite-bearing nepheline syenite fragments and 40Ar/39Ar age of phlogopite megacrysts in conduit breccia from the Poços de Caldas Alkaline Massif (MG/SP), and implications von Vlach, Silvio Roberto Farias, Ulbrich, Horstpeter Herberto Gustavo Jose, Ulbrich, Mabel Norma Costas, Vasconcelos, Paulo Marcos

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The volcanic-subvolcanic rocks of the fernando de noronha archipelago, southern atlantic ocean: Mineral chemistry von Lopes, Rosana Peporine, Ulbrich, Mabel N. Costas, Ulbrich, Horstpeter

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The Determination of Total Hydrogen, Carbon, Nitrogen and Sulfur in Silicates, Silicate Rocks, Soils and Sediments von Andrade, Sandra, Ulbrich, Horstpeter H., Janasi, Valdecir A., Navarro, Margareth S.

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Iron(II) oxide determination in rocks and minerals von Andrade, Sandra, Hypolito, Raphael, Ulbrich, Horstpeter H.G.J., Silva, Marinês L.

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A Disciplina Geologia Geral - Sistema Terra, Introdutória ao Curso de Geologia da USP: Conteúdo e Reflexões von Boggiani, Paulo César, Tassinari, Colombo Celso Gaeta, Correia, Ciro Teixeira, Ulbrich, Horstpeter Herberto Gustavo José, Campos, Antonio Carlos Rocha, Oliveira, Sonia Maria Barros de, Azzone, Rogério Guitarrari, Piacentini, Thiago

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The Aerogeophysical Project Serra do Mar Sul in the region of the Cunhaporanga Granitic Complex, Paraná, Southern Brazil: analysis of the gamma-ray spectrometric survey von Guimarães, Gilson B., Ferreira, Francisco J. F., Ulbrich, Horstpeter H. G. J., Forlin, Maximilian

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Methodology for the Determination of Trace and Minor Elements in Minerals and Fused Rock Glasses with Laser Ablation Associated with Quadrupole Inductively Coupled Plasma Mass Spec... von Andrade, Sandra, Ulbrich, Horstpeter Herberto, de Barros Gomes, Celso, Martins, Lucelene

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GAMMA-RAY SPECTROMETRY AS A TOOL FOR MAPPING PETROGRAPHIC DOMAINS IN GRANITOIDS: THE EXAMPLES OF THE CUNHAPORANGA AND TRÊS CÓRREGOS GRANITIC COMPLEXES, PARANÁ STATE, SOUTHERN BRAZI... von Ferreira, Francisco J.F., Neto, Luiz Fornazzari, Szameitat, Luizemara S.A., Guimarães, Gilson B., Martin, Victor M. Oliveira, Filho, Hélcio Prazeres, Ulbrich, Horstpeter H.

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Late Proterozoic granitoid magmatism in the state of São Paulo, southeastern Brazil von de Assis Janasi, Valdecir, Ulbrich, Horstpeter H.G.J.

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Proterozoic crustal evolution at the southern margin of the amazonian craton in the state of mato grosso, Brazil: evidence from RbSr and K:Ar data von Carneiro, Mauricio A., Ulbrich, Horstpeter H.G.J., Kawashita, Koji K

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Levantamentos Gamaespectrométricos em Granitos Diferenciados. I: Revisão da Metodologia e do Comportamento Geoquímico dos Elementos K, Th e U von Ulbrich, Horstpeter Herberto Gustavo José, Ulbrich, Mabel Norma Costas, Ferreira, Francisco José Fonseca, Alves, Luizemara Soares, Guimarães, Gilson Burigo, Fruchting, Allan

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Levantamentos Gamaespectrométricos em Granitos Diferenciados. II: O Exemplo do Granito Joaquim Murtinho, Complexo Granítico Cunhaporanga, Paraná von Ferreira, Francisco José Fonseca, Fruchting, Allan, Guimarães, Gilson Burigo, Alves, Luizemara Soares, Martin, Victor Miguel Oliveira, Ulbrich, Horstpeter Herberto Gustavo José

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Gamma-spectrometric Surveys in Differentiated Granites. I: a Review of the Method, and of the Geochemical Behavior of K, Th and U von Gilson Burigo Guimarães, Luizemara Soares Alves, Francisco José Fonseca Ferreira, Mabel Norma Costas Ulbrich, Horstpeter Herberto Gustavo José Ulbrich, Allan Fruchting

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The lujavrite and khibinite bodies in the Poços de Caldas alkaline massif, southeastern Brazil: a structural and petrographic study von ULBRICH, HORSTPETER H., ULBRICH, MABEL N. C.

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As brechas de origem ígnea: revisão e proposta para uma classificação geológica von Ulbrich, Horstpeter H. G. J.

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