Launceston geomorphology - depositional polygons

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This dataset (geomorphology_poly_depositional.shp) contains polygons delineating depositional geomorphic features of the area covered by the Tasmanian Landslide Hazard Map Series: Launceston. The data has been generated through a combination of simplification of surficial deposits shown in the seamless 1:25 000 geology data held by MRT and aerial photography interpretation. The shapefile was created using ArcGIS software.

Launceston geomorphology - structural surface dip direction and slope points

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This dataset (geomorphology_point_dips.shp) contains data in point form showing the dip direction and slope for structural slope surfaces identified within the area of the Tasmanian Landslide Hazard Map Series: Launceston. The surfaces themselves are delinated as polygons within the accompanying Launceston geomorphology - structural polygons dataset (geomorphology_polygon_structural.shp). This point shapefile has been generated using ArcGIS software.

Launceston geomorphology - structural polygons

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This dataset (geomorphology_poly_structural.shp) contains polygons delineating structural aspects of the geomorphology in the area covered by the Tasmanian Landslide Hazard Map Series: Launceston. The data has been generated by aerial photography interpretation. The shapefile has been generated using ArcGIS software.

Launceston geomorphology - break of slope polylines

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This dataset (geomorphology_line_slopebreak.shp) contains polylines delineating breaks of slope associated with escarpments and terrace edges in the area covered by the Tasmanian Landslide Hazard Map Series: Launceston. The shapefile has been produced using ArcGIS. The data has been generated through on-screen digitising of features identified by aerial photography interpretation.

Launceston geomorphology - fault polylines

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This dataset (geomorphology_line_faults.shp) is a shapefile generated using ArcGIS containing polylines delineating faults and lineaments for the area covered by the Tasmanian Landslide Hazard Map Series: Launceston. Most of the data comes directly from the 1:25 000 seamless geology data held by Mineral Resources Tasmania and has been edited to only contain faults and lineaments within the area of interest. Faults with no geomorphic implications have been removed. The additional features are based on interpretation of aerial photography.

Launceston - potential landslide hazard zone polygons

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This layer shows landslide hazard zones of the area covered by the Tasmanian Landslide Hazard Map Series: Launceston. This data was created through a grid based modelling process and converted to shapefiles for distribution. This grid based data has been converted to a shapefile fro distribution. There is consequently, some pixellisation of the polygon boundaries.

Launceston geomorphology - knickpoint location points

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This dataset (geomorphology_point_knickpoints.shp) contains points identifying the location of significant knickpoints within in the area covered by the Tasmanian Landslide Hazard Map Series: Launceston. The data has been generated by aerial photography interpretation and the shape file created using ArcGIS software.

Launceston - potential rockfall hazard zone polygons

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This layer shows potential rockfall hazard zones of the area covered by the Tasmanian Landslide Hazard Map Series: Launceston. This data was created through a grid based modelling process and converted to shapefiles for distribution. The grid based data has been converted to a shapefile for distributions. There is some consequent pixellisation of the polygon boundaries.

Tertiary age geological polygons of Hobart

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This layer shows Tertiary age geological polygons of the Hobart Area as part of the Tasmanian Landslide Hazard Map Series, 2005. It is helpful to identify the distribution of a particularly problematical rock unit.

Geological polygons of Hobart

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This layer shows geological polygons of the Hobart Area as part of the Tasmanian Landslide Hazard Map Series, 2005.