18 datasets found

Organisations: St Helena Data Portal Themes: Geoscience

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  • Volcano Boundaries

    Dataset digitized from Geological Map ( 1:25 000) by Directorate of Overseas Surveys 1979. Special information from the Geology of St Helena Island, South Atlantic, by Ian Baker...
  • Soil Types (1979 Map for LRS32 Report)

    The different soil type identified on the 1979 LRS32 Soil Map 3. Soil type details referred to in the main LRS32 report; "The land resources and agro-forestral development of St...
  • Soil Sample Results 2017-2018

    Results of 130 soil samples taken during field work for DPLUS052, in November 2017 through to January 2018.
  • Soil Sample Locations (with Results) 2017-2018

    Locations and results of soil samples taken during field work for DPLUS052, in November 2017 through to January 2018. Some locations may have removed at land owners request.
  • Soil sample locations for ecosystem services

    the dataset comprises of approximately 90 soil samples taken at various locations in Ascension Island in April 2017. Less than 10 roots were also taken as well as less than 10...
  • Soil Sample Locations (Additional Samples) 2018

    Locations of 45 supplementary soil samples taken during field work for DPLUS052, in April 2018.
  • Soil Sample Locations 2017-2018

    Locations of 130 soil samples taken during field work for DPLUS052, in November 2017 through to January 2018.
  • Soil Sample Locations (1979 Mapor LRS32 Report)

    Point locations showing soil sample locations identified on the 1979 LRS32 Soil Map 3. Sample details referred to in the main LRS32 report; "The land resources and...
  • Soil Sample Biology and Soil Carbon Results (Additional Samples) 2018

    Results of 45 soil samples taken during field work for DPLUS052, in April 2018. Locations were targetted to investigate gumwood (Commidendrum rubostum) soil biology and soil...
  • Rockfall Locations

    Created to monitor rock fall sites on the cliffs above Jamestown
  • Peaks and Hills

    Data showing the peaks and hill of St Helena Island, created from the OS Topographical Maps
  • Geoscientific Information within Airport Development Area

    Groundcover; rock, gullies, slopes, eroded areas, landscape, geology types along the line of the Airport Development Area
  • Geology

    General geological map (1:25 000) by Weaver B., based on Baker (1968)
  • Geology Type

    Dataset digitized from Geological Map ( 1:25 000) by Directorate of Overseas Surveys 1979. Special information from the Geology of St Helena Island, South Atlantic, by Ian Baker...
  • Earthquakes Nearby 2008-2009

    Location and general details of earthquakes near St Helena 2008 2009. Created by Ayla Phillips for the location and general details of the earthquakes near St Helena. Showing...
  • Cooks Bridge Complex Soil Types (1979 Mapor LRS32 Report)

    Soil type identified on the 1979 LRS32 Soil Map 3. Soil type details referred to in the main LRS32 report; "The land resources and agro-forestral development of St Helena".
  • Cliffs

    Cliff generated from the OS Maps
  • Ascension Soil Properties

    Output from the soil analysis done on soil samples taken during Ascension Island soil sampling