GSA home

Log In | GSA Community | GSA Store | Join GSA | Donate | Contact Us

GSA home

| GSA Community | GSA Store | Donate | Contact Us

About GSA

Career Resources

Connected Community

Divisions &
Associated Societies

Education & Outreach

GSA Foundation

GSA International




Public Policy



Find Your Science at GSA
Lithosphere Guidelines
Manuscript Submission
Supplemental Material
Copyright and Costs
Tables and Figures
Submit Cover Image
Contact Information
Ethical Guidelines
Open Access



Tables should replace text, not duplicate it. The numbering scheme should reflect each table's physical location in the document—tables in main text start with "TABLE 1."; tables in appendix start with "TABLE A1." See our sample table for further instructions.



If several items in a table require footnotes, use relative position in the table to determine the order in which footnotes are marked. Use the following sequence for footnotes: *(asterisk), †(dagger), §(sections mark), #(pound symbol), **, ††, §§, ##, ***, †††, §§§, ###, and so on. If asterisks already appear in the table (such as *Ar for radiogenic argon), do not use them in footnotes; start footnotes with a single dagger (†).


All illustrations, whether line drawings or photographs, are considered figures. GSA prefers electronic files, but sometimes we may have to scan clean hard copy if the files are unusable. To ensure the best possible results, please prepare art for illustrations according to the following guidelines.

General Style Electronic Fill Patterns Loose Inserts / Supplements

 General Guidelines for All Figures

General Style Electronic Fill Patterns Loose Inserts / Supplements top

 Style Guidelines

General Style Electronic Fill Patterns Loose Inserts / Supplements top

 Electronic Figures

The following native formats work best, as long as the version of the application is noted and the file is labeled with the correct extension: Corel Draw = .cdr, Canvas = .cvs, Freehand = .fh, Illustrator = .ai, and Photoshop = .psd. If you create either .tif or .eps files, they must be between 300 and 600 dpi resolution. Label figure files with author name, figure number, and extension. Make sure that the hard copy of the figure that you send matches the electronic file of the figure. Files created in any application other than those listed above should be saved as a .tif or .eps. We do NOT accept low-resolution (72 dpi) images. Transparencies and drop-shadows tend to cause conversion issues in Canvas; please avoid these when possible.

Acceptable Software
Best Resolution

Line art with no screening, just black, should be saved as 1200 dpi at 100% size. Line art that has halftone screens or photos should be saved as 600 dpi at 100% size. Photos alone should be saved as 300 dpi (or more). Color images should be saved as 350 dpi at 100% size.

Placed/Imported images

All images that have been placed or imported into your figure file must accompany this file on disk (i.e., if you import a photograph into illustrator called photo.tif, you must supply this photo.tif electronic file along with your Illustrator file).

Digital Camera images

Files created by digital cameras are accepted only if they are submitted in .tiff format and are scaled to 100% at 300-600 dpi. (Be sure that your camera is set for highest resolution for best results.) We do not accept 72 dpi photo images.

Invisible Elements

Many graphics files contain unnecessary "invisible" elements. These are sometimes imported graphics that the creator of the file has traced over and then set not to print. To save out printer time, it is best to delete the unnecessary element rather than just set it not to print.


Please submit your figures in grayscale (b/w) unless you are willing to cover the cost of publishing in color. We are currently offering a greatly discounted rate for color figures. The first figure is free and each subsequent figure is $250.00 per figure. If your manuscript is accepted, you will be supplied with an exact cost quote. If you are willing to pay for color printing, please indicate this clearly in your cover letter or in the manuscript comment section.

General Style Electronic Fill Patterns Loose Inserts / Supplements top

 Fill Patterns for scannable artwork

General Style Electronic Fill Patterns Loose Inserts / Supplements top

 Loose Inserts/Supplements

Loose inserts/supplements (maps, seismic reflections, cross sections, etc.) may be included, and may be printed on one or both sides. Authors must provide both electronic file and hardcopy, sized to the exact publication size, and authors must pay all costs for inserts. These costs include press preparation, printing, folding, handling, and inserting. For questions on loose inserts, contact the managing editor.