Boletín Geológico y Minero > Instructions for authors


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The Boletín Geológico Minero will publish original manuscripts in Spanish or English dealing with Earth Sciences.

TEXTS: Typewritten documents in a standard word processing software (doc or rft files) with a maximum length of 40 pages DIN A4 (including references, illustrations and tables) using font size 12 pt (font Times New Roman or similar), and printed with 1.5 spacing and 2 cm margins.

The title should be short and informative of the contents and it is recommended to include the geographical and geochronological framework of the study. Original in Spanish should also have the title in English and vice versa.

The names of the authors should be listed in the order they would like to be cited. First the initials of their names, then the surname or surnames they wish to include. Authors’ affiliations complete postal and e-mail addresses should be indicated.

A Spanish and English abstract with a minimum of 100 and a maximum of 250 words in each language should also be included. The abstract should be concise and indicative of the content and contributions of the paper as a whole.

After the abstract, five key words in both languages and in alphabetic order will be included.

Then below, and optionally, an abridged English version will be included, as an abbreviated version of the complete article, in English when the article is written in Spanish, and an abridged Spanish version (version abreviada en castellano) if the article is in English with a minimum of 1200 and a maximum of 1400 words.

Those authors that do not master Spanish, might write an Abridged English Version that will then be translated by the Editors. These shortened versions should not necessarily be structured, as the main text, consisting the basic structure of two sections: Introduction and Methodology (Introducción y metodología for the Spanish case) and Results and discussion (Resultados y discusión). Besides in these shortened versions all figures and tables of the main text should be cited.

The different sections of the text will be titled in unnumbered bold capitals. It is recommended to include the sections Introduction and Conclusions; if the structure and contents allows, it is also recommended to use the classical structure with Objectives, Area of study, Methodology, Results and Discussion. The last section will be References, preceded, if so wished, by Aknowledgements.

No page or final footnotes are allowed, so any comment should be included in the main text.

References in the main text should be cited with the complete surnames used by the authors in the work, in small letters, and listed at the end of the text similarly. Use et al (in italics) for more than three authors. For citations of a paper with two authors, their surnames will be mentioned separated by the conjunction “and”.

References of the cited works will be included in the final section References, following a strict format that can be seen in any issue of the Bulletin.


Articles in journals:

(The names of the magazines should be cited without abbreviations) Heredia, M. and Baltuille, J.M. 1997. Las posibilidades mineras de Cuba en el sector de las Rocas Ornamentales. Boletín Geológico y Minero, 108 (6), 47-52.

Schuster, W. and Thomson, T.J. 1991. Description of the natural factors affecting the environmental conditions in the side of Llandose (Illinois). International Journal of Environmental Sciences, 5 (3), 112-134.


Didier, J. 1973. Granites and their enclaves. Elsevier, Amsterdam, 393 pp.

Chapters of books:

Quesada, C. 1983. El Carbonífero de Sierra Morena. In: Martínez, C. (ed.), Carbonífero y Pérmico de España. Instituto Geológico y Minero de España, Madrid, 243-278.

Conference proceedings:

Delgado, F., Ovejero, G. and Jacquin, J.P. 1971. Localización estratigráfica y medio paleogeográfico de las mineralizaciones (galena y Ḁuorita) de Sierra de Baza (Granada, España). I Congreso Hispano-Luso-Americano de Geología Económica, Madrid, 2, 119-128.

Unpublished reports and works:

Author or authors, year and location of the reports should be cited.

Baltuille, J.M. 1998. Estudio estadístico tras la revisión de la totalidad de los artículos publicados en el Boletín Geológico y Minero durante el decenio 1989-1998. Informe inédito. Comité de Redacción del Boletín Geológico y Minero, Centro de Documentación del IGME, Madrid, 13 págs.+19 págs. (anexos).

Web pages:

In this case the following information should be provided: Title of page, author or authors, editing organisation or institution, place of origin of the server, date of access to information and electronic address both of the web page and the root directory, as well as contact e-mail. Example: Kluwer Academic Publishers Information Service (KAPIS), Holanda, 24/03/99, e-mail: texhelp@

All references to units of measure and their abbreviations should be made following the International System of Units (SI) adopted by the General Conference on Weights and Measures (CGPM) and currently in force in the European Union. For further details on the basic units of the SI for different magnitudes, the name of the unit and its symbol or abbreviation, the Royal Decree 2032/2009, published in the Official Bulletin of the State nº 18 of 21st January 2010, can be consulted. As an example, the abbreviation and symbols of the units of measure will not have a dot at the end, nor can they be pluralized.

TABLES: Tables containing texts and numerical data organized in rows and columns will be cited as tables and will be sized to one or two columns (80 or 170 mm) and the proportional height with a maximum dimension of a full page or even two full pages. The text or numbers included, in that case, should be clearly readable at the selected size, but never under 8 pt.

The format of the table should avoid, whenever possible, the use of vertical and horizontal lines grids to separate rows and columns. It is recommended the use of only some horizontal lines.

Tables will be included at the end of the text showing their position within the main text, or in one o several individual files, created with a standard word processor (MS Word or similar), or in image format (TIFF file) following the specifications for figures. In articles in Spanish table captions should also be in italics and in English, and vice versa in articles in English.

FIGURES: Original illustrations (drawings, maps, sketches, diagrams, photographs, etc.), will be cited in the text and will all be numbered correlatively as figures and will be sized to one or two columns (80 or 170 mm) and the proportional height with a maximum dimension of a full page or even two full pages in case of need. The text or numbers included, in that case, should be clearly readable at the selected size, but never under 8 pt.

In general figures will be prepared in black and white or grey scale, although they might be published in colour in case this is justified by the need to illustrate an element of particular colours or the use of an ample palette of colours. In those cases, authors will send the figures in colour and the Editor will decide on the final format of the publication. Captions of figures should also be in English and italics.

Figures will always be submitted as individual image files (TIFF, JPG, EPS or similar format), with 300 dpi minimum resolution for the final editing size and indicating its position on the text.

Figures should be original and sole property of the authors and, if they have editorial or reproduction rights, it is the responsibility of the authors to request the necessary authorisations for their publication in the Bulletin. In any event, the original sources from where the figures were obtained modified or adapted should be specifically cited.

SUBMISSION OF MANUSCRIPT: Papers will be sent in digital format (as above specified) by any of the following means:



Using the internet on-line submission system located in the Bulletin web page (, previously compressing all files in ZIP format.



By electronic mail to the magazine (, only if the files do not exceed 10 Mb per message.

When files of figures or tables are huge in size, post mail or courier can be used, and all files might be sent in a digital support (CD-ROM, DVD or pendrive) to the Servicio de Publicaciones of the Instituto Geológico y Minero de España. Alternatively the Editor can be contacted to enable a space in a ftp server to drop the files. The main author will receive a confirmation of reception and of all the steps of the editorial process.

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