Metadata:
  Identification_Information:
    Citation:
      Citation_Information: Leonard, E., Patthoff, D. A., and Senske, D., Global geologic map of Europa: U.S. Geological Survey Scientific Investigations Map 3513, scale 1:15,000,000, pamphlet 18 p., https://doi.org/10.3133/sim3513.
        Publication_Date: 2024
        Title: Global Geologic Map of Europa
        Geospatial_Data_Presentation_Form: vector digital data
        Series_Information:
          Series_Name: SIM
          Issue_Identification: 3513
    Description:
      Abstract: Discovered by Galileo Galilei more than 400 years ago and imaged in detail by the Voyager 2 Galileo spacecraft, JupiterÕs icy moon Europa has been a source of intrigue. A range of science investigations suggest that it contains the key ingredients for habitability, notably energy, chemistry, and liquid water (e.g., Wackett et al., 2004; Hand et al., 2009). EuropaÕs surface is geologically complex and, based on the dearth of impact craters, interpreted to be as young as ~60 Ma (e.g., Lucchitta and Soderblum, 1982; Pappalardo et al., 1999; Bierhaus et al., 2001, 2009; Figueredo and Greeley, 2004; Prockter and Schenk, 2005; Doggett et al., 2009). The array of geologic features that characterize the surface include extensive ridged plains, regions of broad disruption termed chaotic terrain, long, quasi-linear ridges that span thousands of kilometers, and bands up to 60 km wide and that extend 100s of km (e.g, Prockter and Patterson, 2009) (figure 1). These features, along with other geophysical measurements (Kivelson et al., 2000), suggest the presence of a global briny liquid water ocean beneath the ice shell (Cassen et al., 1979, 1982; Anderson et al., 1998; Pappalardo et al., 1999; Kivelson et al., 2000; Kargel et al., 2000; Schubert et al., 2009; Nimmo and Manga, 2009; Zolotov and Kargel, 2009; Vance and Goodman, 2009). It was not until the arrival of the Galileo spacecraft in 1995 that the true nature and level of complexity of the surface was revealed. Although image data returned by Galileo provided insight into the structure of a variety of regions, the entire satellite has yet to be observed at a regional scale (less than 250 m/pixel) and the detailed geologic nature of much of its surface remains a mystery. Establishing the global context of the distribution and timing of Europan geologic units forms a basis to understand regional and local scale processes, serves as a tool for the planning of future missions, and most of all is essential to gaining insight into the potential habitability of this icy world.
      Purpose: 1:10,000,000-scale geologic map of Europa.
    Spatial_Domain:
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        West_Bounding_Coordinate: 0
        East_Bounding_Coordinate: 360
        North_Bounding_Coordinate: 90.0
        South_Bounding_Coordinate: -90.0
    Keywords:
      Theme:
        Theme_Keyword_Thesaurus: None
        Theme_Keyword: Europa
        Theme_Keyword: Geology
        Theme_Keyword: Planetary Science
    Access_Constraints: None
    Use_Constraints: None
    Data_Set_Credit: Erin Leonard, D. Alex Patthoff, David Senske, Geoffery Collins, Trent Hare, Ronald Greeley
    Native_Data_Set_Environment: Version 6.2 (Build 9200) ; Esri ArcGIS 10.7.1.11595
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  Spatial_Reference_Information:
    Horizontal_Coordinate_System_Definition:
      Geographic:
        Latitude_Resolution: 3.6678923437882787e-08
        Longitude_Resolution: 3.6678923437882787e-08
        Geographic_Coordinate_Units: Decimal Degrees
      Geodetic_Model:
        Horizontal_Datum_Name: D Europa 2000
        Ellipsoid_Name: Europa 2000 IAU IAG
        Semi-major_Axis: 1562090.0
        Denominator_of_Flattening_Ratio: 0.0
  Metadata_Reference_Information:
    Metadata_Date: 20200305
    Metadata_Contact:
      Contact_Information:
        Contact_Organization_Primary:
          Contact_Organization: USGS Astrogeology Science Center
          Contact_Person: Corey Fortezzo
        Contact_Position: Research Geologist
        Contact_Address:
          Address_Type: mailing and physical
          Address: 2255 N. Gemini Dr
          City: Flagstaff
          State_or_Province: AZ
          Postal_Code: 86001
          Country: US
        Contact_Electronic_Mail_Address: cfortezzo@usgs.gov
    Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
    Metadata_Standard_Version: FGDC-STD-001-1998
    Metadata_Time_Convention: local time