- Raksti
- Rapport
- Rapport Annuel
- Rapport Annuel
- Rasprave
- Razprave. Dissertationes
- Reading University Geological Report
- Recent of Progress of Natural Sciences in Japan
- Records
- Records
- Records of the Geological Survey of Pakistan
- Records of the Geological Survey Department of Uganda
- Recueil des Publications du Laboratoire de Géologie Général de la Sorbonne
- Referativnyj Bjulleten’ Bolgarskoj Naučnoj Literatury. Geologija i Geografija
- Referativnyj Žurnal
- Relatório Anual
- Reimpresion. Serie Geologia
- Rendiconti della Societá Geologica Italiana Nuova Serie
- Rendiconti della Societá Italiana di Mineralogia e Petrologia
- Report
- Report
- Report
- Report
- Report of Investigation
- Report of Investigation
- Report of Investigation
- Report of Investigation
- Report of Investigation
- Report of Investigation
- Report of Investigation
- Report of Investigation
- Report of Investigation
- Report of the Commitee on Paleobotany
- Report of the Geological Survey Board
- Report of the Geological Survey of Hokkaido
- Report of the State Mineralogist
- Report on the British Museum (Natural History)
- Reporte del Investigación del Instituto de Geológia y Paleontólogia
- Reports of Research
- Reports of the Saghalien Central Experiment Station. Sect.1. Agriculture
- Reports of the Saghalien Central Experiment Station. Sect. 2. Forestry
- Reprint Series
- Research Papers SGU series C, Ca
- Resource Report
- Retrospektywna Bibliografia Geologii Polski
- Review of Egyptian Geology
- Review of the Bulgarian Geological Society
- Revista
- Revista
- Revista Brasileira de Geociências
- Revista Ciências Geológicas
- Revista da Facultade de Ciências. Serie C
- Revista da Universidade de Aveiro. Geociências
- Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales de Madrid
- Revista del Museo Argentino de Ciencias Naturales
- Revista Geologia
- Revue annuelle de la littérature géologique suédoise
- Revue de Géographie Physique et de Géologie Dynamique. Deuxième série
- Revue de Géomorphologie Dynamique
- Revue de la Faculté des Sciences de l’Université d’Istanbul Seria B
- Revue de Micropaléontologie
- Revue de Paléobiologie
- Revue Roumaine de Géologie, de Géographie et de Géophysique
- Rivista de Museo Civico di Scienze Naturali „Enrico Caffi”
- Rivista Italiana di Paleontologia e Stratigrafia
- Rivista Mineraria Siciliana
- Rocznik Polskiego Towarzystwa Geologicznego
- Rocznik Towarzystwa Naukowego Warszawskiego
- Roemeriana
- Romanian Journal of Geophysics
- Romanian Journal of Mineral Deposits
- Romanian Journal of Mineralogy
- Romanian Journal of Paleontology
- Romanian Journal of Petrology
- Romanian Journal of Stratigraphy
- Romanian Journal of Tectonics and Regional Geology
- Rozpravy Staniho Geologickeho Ústavu Československé Republiki
- Rozpravy Československé Akademie Věd Rada Matematických a Přirodních Věd
- Rudarsko-Metalurski Zbornik
- Rudoobrazuvatelni procesi i mineralni nachodišta