Recent News

  • New versions of PetDB and SedDB released

    Apr 2013.  EarthChem has released new versions of the PetDB and SedDB web applications, offering several improvements and new features. Visit the IEDA feedback page to submit your ideas for new features and improvements, browse other suggestions, and vote for ideas that you like! 


    PetDB version 2.5.0

    • Map search has a new click and draw interface.
    • The MGDS GMRT (Global multi-resolution topography map) is now the basemap for Sample Info, Station Info, and Result View map pages, providing more detail of sea floor topography.
    • The PetDB Reference page displays data entry status and comments.
    • Users may download an excel spreadsheet of a single reference showing all data entered for the reference. Once a Publication (Reference, Author) search is started and results are shown, the button is under "Download Reference -> Excel" in the "Select Reference" display.


    SedDB version 1.3.3


  • IEDA Invites Applications for Data Rescue Mini-Awards

    Mar 2013. IEDA (Integrated Earth Data Applications), the NSF data facility that operates EarthChem and the Marine Geoscience Data System, is looking to grant four Data Rescue Mini-awards as part of a Data Rescue Initiative. This initiative is intended to ensure that valuable legacy data sets that are in danger of being lost in the near future due to impending retirement or degradation of the original data source are preserved and made accessible to the community for re-use by inclusion in the IEDA data collections (EarthChem, Marine Geoscience Data System, SESAR). Priority will be given to datasets that are deemed to have the highest impact on future research by virtue of one or another unique characteristics such as quality, size, rarity, unique location or data type. The mini-grants will provide funds to investigators at the level of $7,000 (maximum) for each project to support proper compilation, documentation, and transfer of data sets to IEDA. We specifically encourage applications from late-career and near-retirement investigators, who are in possession of unpublished data that they cannot otherwise share and preserve.


    Data sets must be consistent with the IEDA mission "to support access and preservation of solid earth data from the earth, ocean, and polar sciences". Preferred data sets are geochemical analyses of igneous rocks and marine sediments, and marine geology and geophysics data. Depending on interest and success of this pilot project, IEDA hopes to continue funding mini-awards like this in future years.

    Applications (maximum 3 pages) should be submitted by April 5, 2013, to IEDA Director Kerstin Lehnert (, and should include

    • a brief description of the data sets that will be assembled, such as type of data, volume, format (.xls, .txt, grids, etc.), and current status (e.g. on tape, on paper, on-line, etc.)
    • a statement that explains the relevance of the data set(s) for future re-use
    • a project plan how the successful completion of the project will be achieved and to what extent IEDA staff is needed to assist. For sample-based data such as geochemical analyses, the sample archiving situation should be discussed.
    • a budget outline

    The IEDA User Committee will review all applications and select awardees based on the scientific relevance of the data sets and prospect of the project¹s successful completion. Funded projects will need to complete the data compilation and documentation by September 30, 2013. IEDA staff will work with each awarded investigator or group of investigators to help identify needed documentation, and will provide guidance and tools to facilitate data documentation and transfer.


  • New EarthChem Portal Service-oriented architecture

    Feb 2013. A service-oriented architecture was recently completed for the EarthChem Search Portal as part of the EarthCube Web Services Concept Award. The architecture is composed of both REST and SOAP search services which will allow the geoinformatics community to leverage the complete functionality of the EarthChem Search Portal from within outside projects. A large number of output formats are supported, including XML, JSON, CSV, etc... Also supported is JSONP, which should make cross-domain, client-side approaches much more manageable.


    A complete explanation of the search services can be found at:


    SOAP Service:


    REST Service:

  • Release of new PetDB version (v.2.4.0)

    Jan 2013. PetDB released a new version of its database and user interface on 14 January, 2013. With this new version (PetDB 2.4.0) PetDB extended its scope and nowcontains the entire Deep Lithopshere Dataset of mantle and lower crustal xenoliths. In the new version, we also reactivated the melt inclusion search, added an analysis comment to the database that is displayed in the search results if provided, updated the look and feel of the data availability page, and fixed several bugs related to search and station display pages. 


    For more information see the PetDB Release Notes on the Development History page


    In addition, PetDB has expanded its scope to include the Deep Lithosphere xenolith dataset. Over 230,000 chemical values from the Deep Lithosphere dataset have been recently merged with PetDB, bringing new data such as model age and model temperature data into PetDB. The merger simplifies access to the EarthChem data holdings. 


    Let us know what other types of datasets you would like included in the PetDB database by emailing